GABAPENTIN capsule Соединенные Штаты - английский - NLM (National Library of Medicine)

gabapentin capsule

remedyrepack inc. - gabapentin (unii: 6cw7f3g59x) (gabapentin - unii:6cw7f3g59x) - pregnancy exposure registry there is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to antiepileptic drugs (aeds), such as gabapentin, during pregnancy. encourage women who are taking gabapentin during pregnancy to enroll in the north american antiepileptic drug (naaed) pregnancy registry by calling the toll free number 1-888-233-2334 or visiting http://www.aedpregnancyregistry.org/. risk summary there are no adequate data on the developmental risks associated with the use of gabapentin in pregnant women. in nonclinical studies in mice, rats, and rabbits, gabapentin was developmentally toxic (increased fetal skeletal and visceral abnormalities, and increased embryofetal mortality) when administered to pregnant animals at doses similar to or lower than those used clinically [see data]. in the u.s. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. the background risk of major birth defects and miscarriage for the indicated population is unknown. data animal data when pregnant mice received oral doses of gabapentin (500 mg/kg/day, 1000 mg/kg/day, or 3000 mg/kg/day) during the period of organogenesis, embryofetal toxicity (increased incidences of skeletal variations) was observed at the two highest doses. the no-effect dose for embryofetal developmental toxicity in mice (500 mg/kg/day) is less than the maximum recommended human dose (mrhd) of 3600 mg on a body surface area (mg/m 2 ) basis. in studies in which rats received oral doses of gabapentin (500 mg/kg/day to 2000 mg/kg/day) during pregnancy, adverse effect on offspring development (increased incidences of hydroureter and/or hydronephrosis) were observed at all doses. the lowest dose tested is similar to the mrhd on a mg/m 2 basis. when pregnant rabbits were treated with gabapentin during the period of organogenesis, an increase in embryofetal mortality was observed at all doses tested (60 mg/kg, 300 mg/kg, or 1500 mg/kg). the lowest dose tested is less than the mrhd on a mg/m 2 basis. in a published study, gabapentin (400 mg/kg/day) was administered by intraperitoneal injection to neonatal mice during the first postnatal week, a period of synaptogenesis in rodents (corresponding to the last trimester of pregnancy in humans). gabapentin caused a marked decrease in neuronal synapse formation in brains of intact mice and abnormal neuronal synapse formation in a mouse model of synaptic repair. gabapentin has been shown in vitro to interfere with activity of the α2δ subunit of voltage-activated calcium channels, a receptor involved in neuronal synaptogenesis. the clinical significance of these findings is unknown. risk summary gabapentin is secreted in human milk following oral administration. the effects on the breastfed infant and on milk production are unknown. the developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for gabapentin and any potential adverse effects on the breastfed infant from gabapentin or from the underlying maternal condition. safety and effectiveness of gabapentin in the management of postherpetic neuralgia in pediatric patients have not been established. safety and effectiveness as adjunctive therapy in the treatment of partial seizures in pediatric patients below the age of 3 years has not been established [see clinical studies ( 14.2)] . the total number of patients treated with gabapentin in controlled clinical trials in patients with postherpetic neuralgia was 336, of which 102 (30%) were 65 to 74 years of age, and 168 (50%) were 75 years of age and older. there was a larger treatment effect in patients 75 years of age and older compare to younger patients who received the same dosage. since gabapentin is almost exclusively eliminated by renal excretion, the larger treatment effect observed in patients≥ 75 years may be a consequence of increased gabapentin exposure for a given dose that results from an age-related decrease in renal function. however, other factors cannot be excluded. the types and incidence of adverse reactions were similar across age groups except for peripheral edema and ataxia, which tended to increase in incidence with age. clinical studies of gabapentin in epilepsy did not include sufficient numbers of subjects aged 65 and over to determine whether they responded differently from younger subjects. other reported clinical experience has not identified differences in responses between the elderly and younger patients. in general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function, and of concomitant disease or other drug therapy. this drug is known to be substantially excreted by the kidney, and the risk of toxic reactions to this drug may be greater in patients with impaired renal function. because elderly patients are more likely to have decreased renal function, care should be taken in dose selection, and dose should be adjusted based on creatinine clearance values in these patients [see dosage and administration ( 2.4), adverse reactions ( 6), and clinical pharmacology ( 12.3)] . dosage adjustment in adult patients with compromised renal function is necessary [see dosage and administration ( 2.3) and clinical pharmacology ( 12.3)] . pediatric patients with renal insufficiency have not been studied. dosage adjustment in patients undergoing hemodialysis is necessary [see dosage and administration ( 2.3) and clinical pharmacology ( 12.3)] . gabapentin is not a scheduled drug. abuse is the intentional, non-therapeutic use of a drug, even once, for its desirable psychological or physiological effects. misuse is the intentional use, for therapeutic purposes, of a drug by an individual in a way other than prescribed by a health care provider or for whom it was not prescribed. gabapentin does not exhibit affinity for benzodiazepine, opioid (mu, delta or kappa), or cannabinoid 1 receptor sites. gabapentin misuse and abuse have been reported in the postmarketing setting and published literature. most of the individuals described in these reports had a history of polysubstance abuse. some of these individuals were taking higher than recommended doses of gabapentin for unapproved uses. when prescribing gabapentin, carefully evaluate patients for a history of drug abuse and observe them for signs and symptoms of gabapentin misuse or abuse (e.g., self-dose escalation and drug-seeking behavior). the abuse potential of gabapentin has not been evaluated in human studies. physical dependence is a state that develops as a result of physiological adaptation in response to repeated drug use, manifested by withdrawal signs and symptoms after abrupt discontinuation or a significant dose reduction of a drug. there are rare postmarketing reports of individuals experiencing withdrawal symptoms shortly after discontinuing higher than recommended doses of gabapentin used to treat illnesses for which the drug is not approved. such symptoms included agitation, disorientation and confusion after suddenly discontinuing gabapentin that resolved after restarting gabapentin. the dependence potential of gabapentin has not been evaluated in human studies. gabapentin is indicated for: management of postherpetic neuralgia in adults adjunctive therapy in the treatment of partial onset seizures, with and without secondary generalization, in adults and pediatric patients 3 years and older with epilepsy gabapentin is contraindicated in patients who have demonstrated hypersensitivity to the drug or its ingredients.

BUPROPION HYDROCHLORIDE (XL)- bupropion hydrochloride tablet, film coated, extended release Соединенные Штаты - английский - NLM (National Library of Medicine)

bupropion hydrochloride (xl)- bupropion hydrochloride tablet, film coated, extended release

remedyrepack inc. - bupropion hydrochloride (unii: zg7e5poy8o) (bupropion - unii:01zg3tpx31) - bupropion hydrochloride extended-release tablets (xl) are indicated for the treatment of major depressive disorder (mdd), as defined by the diagnostic and statistical manual (dsm). the efficacy of the immediate-release formulation of bupropion was established in two 4-week controlled inpatient trials and one 6-week controlled outpatient trial of adult patients with mdd. the efficacy of the sustained-release formulation of bupropion in the maintenance treatment of mdd was established in a long-term (up to 44 weeks), placebo-controlled trial in patients who had responded to bupropion in an 8-week study of acute treatment [see clinical studies (14.1)]. bupropion hydrochloride extended-release tablets (xl) are indicated for the prevention of seasonal major depressive episodes in patients with a diagnosis of seasonal affective disorder (sad). the efficacy of bupropion hydrochloride extended-release tablets (xl) in the prevention of seasonal major depressive episodes was established in 3 placebo-controlled trials in adult outpatients with a history of mdd with an autumn-winter seasonal pattern as defined in the dsm [see clinical studies (14.2)]. - bupropion hydrochloride extended-release tablets (xl) are contraindicated in patients with seizure disorder. - bupropion hydrochloride extended-release tablets (xl) are contraindicated in patients with a current or prior diagnosis of bulimia or anorexia nervosa as a higher incidence of seizures was observed in such patients treated with bupropion hydrochloride extended-release tablets (xl) [see warnings and precautions (5.3)]. - bupropion hydrochloride extended-release tablets (xl) are contraindicated in patients undergoing abrupt discontinuation of alcohol, benzodiazepines, barbiturates, and antiepileptic drugs [see warnings and precautions (5.3) and drug interactions (7.3)]. - the use of maois (intended to treat psychiatric disorders) concomitantly with bupropion hydrochloride extended-release tablets (xl) or within 14 days of discontinuing treatment with bupropion hydrochloride extended-release tablets (xl) is contraindicated. there is an increased risk of hypertensive reactions when bupropion hydrochloride extended-release tablets (xl) are used concomitantly with maois. the use of bupropion hydrochloride extended-release tablets (xl) within 14 days of discontinuing treatment with an maoi is also contraindicated. starting bupropion hydrochloride extended-release tablets (xl) in a patient treated with reversible maois such as linezolid or intravenous methylene blue is contraindicated [see dosage and administration (2.9), warnings and precautions (5.4) and drug interactions (7.6)]. - bupropion hydrochloride extended-release tablets (xl) are contraindicated in patients with known hypersensitivity to bupropion or other ingredients of bupropion hydrochloride extended-release tablets (xl). anaphylactoid/anaphylactic reactions and stevens-johnson syndrome have been reported [see warnings and precautions (5.8)]. pregnancy exposure registry there is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to antidepressants during pregnancy. healthcare providers are encouraged to register patients by calling the national pregnancy registry for antidepressants at 1-844-405-6185 or visiting online at https://womensmentalhealth.org/clinical-and-research­programs/pregnancyregistry /antidepressants/. risk summary data from epidemiological studies of pregnant women exposed to bupropion in the first trimester have not identified an increased risk of congenital malformations overall (see data) . there are risks to the mother associated with untreated depression (see clinical considerations) . when bupropion was administered to pregnant rats during organogenesis, there was no evidence of fetal malformations at doses up to approximately 10 times the maximum recommended human dose (mrhd) of 450 mg/day. when given to pregnant rabbits during organogenesis, non-dose-related increases in incidence of fetal malformations and skeletal variations were observed at doses approximately equal to the mrhd and greater. decreased fetal weights were seen at doses twice the mrhd and greater (see animal data) . the estimated background risk for major birth defects and miscarriage are unknown for the indicated population. all pregnancies have a background rate of birth defect, loss, or other adverse outcomes. in the u.s. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. clinical considerations disease-associated maternal and/or embryo/fetal risk a prospective, longitudinal study followed 201 pregnant women with a history of major depressive disorder who were euthymic and taking antidepressants during pregnancy at the beginning of pregnancy. the women who discontinued antidepressants during pregnancy were more likely to experience a relapse of major depression than women who continued antidepressants. consider the risks to the mother of untreated depression and potential effects on the fetus when discontinuing or changing treatment with antidepressant medications during pregnancy and postpartum. data human data data from the international bupropion pregnancy registry (675 first trimester exposures) and a retrospective cohort study using the united healthcare database (1,213 first trimester exposures) did not show an increased risk for malformations overall. the registry was not designed or powered to evaluate specific defects but suggested a possible increase in cardiac malformations. no increased risk for cardiovascular malformations overall has been observed after bupropion exposure during the first trimester. the prospectively observed rate of cardiovascular malformations in pregnancies with exposure to bupropion in the first trimester from the international pregnancy registry was 1.3% (9 cardiovascular malformations/675 first-trimester maternal bupropion exposures), which is similar to the background rate of cardiovascular malformations (approximately 1%). data from the united healthcare database, which has a limited number of exposed cases with cardiovascular malformations, and a case-controlled study (6,853 infants with cardiovascular malformations and 5,753 with non-cardiovascular malformations) from the national birth defects prevention study (nbdps) did not show an increased risk for cardiovascular malformations overall after bupropion exposure during the first trimester. study findings on bupropion exposure during the first trimester and risk left ventricular outflow tract obstruction (lvoto) are inconsistent and do not allow conclusions regarding possible association. the united healthcare database lacked sufficient power to evaluate this association; the nbdps found increased risk for lvoto (n = 10; adjusted odds ratio (or) = 2.6; 95% ci 1.2, 5.7), and the slone epidemiology case control study did not find increased risk for lvoto. study findings on bupropion exposure during the first trimester and risk for ventricular septal defect (vsd) are inconsistent and do not allow conclusions regarding a possible association. the slone epidemiology study found an increased risk for vsd following first trimester maternal bupropion exposure (n = 17; adjusted or = 2.5; 95% ci: 1.3,5.0) but did not find an increased risk for any other cardiovascular malformations studied (including lvoto as above). the nbdps and united healthcare database study did not find an association between first trimester maternal bupropion exposure and vsd. for the findings of lvoto and vsd, the studies were limited by the small number of exposed cases, inconsistent findings among studies, and the potential for chance findings from multiple comparisons in case control studies. animal data in studies conducted in pregnant rats and rabbits, bupropion was administered orally during the period of organogenesis at doses of up to 450 mg/kg/day, and 150 mg/kg/day, respectively (approximately 10 and 6 times the mrhd, respectively, on a mg/m 2 basis). there was no evidence of fetal malformations in rats. when given to pregnant rabbits during organogenesis, non­-dose-related increases in incidence of fetal malformations and skeletal variations were observed at the lowest dose tested (25 mg/kg/day, approximately equal to the mrhd on a mg/m 2 basis) and greater. decreased fetal weights were observed at doses of 50 mg/kg/day (approximately 2 times the mrhd on a mg/m 2 basis) and greater. no maternal toxicity was evident at doses of 50 mg/kg/day or less. in a pre- and postnatal development study, bupropion administered orally to pregnant rats at doses of up to 150 mg/kg/day (approximately 3 times the mrhd on a mg/m 2 basis) from embryonic implantation through lactation had no effect on pup growth or development. risk summary data from published literature report the presence of bupropion and its metabolites in human milk (see data) . there are no data on the effects of bupropion or its metabolites on milk production. limited data from postmarketing reports have not identified a clear association of adverse reactions in the breastfed infant. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for bupropion hydrochloride extended-release tablets (xl) and any potential adverse effects on the breastfed child from bupropion hydrochloride extended-release tablets (xl) or from the underlying maternal condition. data in a lactation study of ten women, levels of orally dosed bupropion and its active metabolites were measured in expressed milk. the average daily infant exposure (assuming 150 ml/kg daily consumption) to bupropion and its active metabolites was 2% of the maternal weight-adjusted dose. postmarketing reports have described seizures in breastfed infants. the relationship of bupropion exposure and these seizures is unclear. safety and effectiveness in the pediatric population have not been established. when considering the use of bupropion hydrochloride extended-release tablets (xl) in a child or adolescent, balance the potential risks with the clinical need [see boxed warningand warnings and precautions (5.1)] . of the approximately 6,000 patients who participated in clinical trials with bupropion hydrochloride sustained-release tablets (depression and smoking cessation studies), 275 were ≥65 years old and 47 were ≥75 years old. in addition, several hundred patients ≥65 years of age participated in clinical trials using the immediate-release formulation of bupropion hydrochloride (depression studies). no overall differences in safety or effectiveness were observed between these subjects and younger subjects. reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out. bupropion is extensively metabolized in the liver to active metabolites, which are further metabolized and excreted by the kidneys. the risk of adverse reactions may be greater in patients with impaired renal function. because elderly patients are more likely to have decreased renal function, it may be necessary to consider this factor in dose selection; it may be useful to monitor renal function [see dosage and administration (2.7), use in specific populations (8.6) and clinical pharmacology (12.3)]. consider a reduced dose and/or dosing frequency of bupropion hydrochloride extended-release tablets (xl) in patients with renal impairment (glomerular filtration rate: <90 ml/min). bupropion and its metabolites are cleared renally and may accumulate in such patients to a greater extent than usual. monitor closely for adverse reactions that could indicate high bupropion or metabolite exposures [see dosage and administration (2.7)and clinical pharmacology (12.3)] . in patients with moderate to severe hepatic impairment (child-pugh score: 7 to 15), the maximum bupropion hydrochloride extended-release tablets (xl) dose is 150 mg every other day. in patients with mild hepatic impairment (child-pugh score: 5 to 6), consider reducing the dose and/or frequency of dosing [see dosage and administration (2.6) and clinical pharmacology (12.3)]. bupropion is not a controlled substance . humans controlled clinical studies of bupropion hcl immediate-release conducted in normal volunteers, in subjects with a history of multiple drug abuse, and in depressed patients demonstrated an increase in motor activity and agitation/excitement. in a population of individuals experienced with drugs of abuse, a single dose of 400 mg bupropion produced mild amphetamine-like activity as compared to placebo on the morphine-benzedrine subscale of the addiction research center inventories (arci), and a score intermediate between placebo and amphetamine on the liking scale of the arci. these scales measure general feelings of euphoria and drug desirability. findings in clinical trials, however, are not known to reliably predict the abuse potential of drugs. nonetheless, evidence from single-dose studies does suggest that the recommended daily dosage of bupropion when administered in divided doses is not likely to be significantly reinforcing to amphetamine or cns stimulant abusers. however, higher doses (that could not be tested because of the risk of seizure) might be modestly attractive to those who abuse cns stimulant drugs. bupropion hydrochloride extended-release tablets (xl) are intended for oral use only. the inhalation of crushed tablets or injection of dissolved bupropion has been reported. seizures and/or cases of death have been reported when bupropion has been administered intranasally or by parenteral injection . animals studies in rodents and primates demonstrated that bupropion exhibits some pharmacologic actions common to psychostimulants. in rodents, it has been shown to increase locomotor activity, elicit a mild stereotyped behavioral response, and increase rates of responding in several schedule-controlled behavior paradigms. in primate models assessing the positive reinforcing effects of psychoactive drugs, bupropion was self-administered intravenously. in rats, bupropion produced amphetamine-like and cocaine-like discriminative stimulus effects in drug discrimination paradigms used to characterize the subjective effects of psychoactive drugs .

BUPROPION HYDROCHLORIDE SR- bupropion hydrochloride tablet, film coated, extended release Соединенные Штаты - английский - NLM (National Library of Medicine)

bupropion hydrochloride sr- bupropion hydrochloride tablet, film coated, extended release

remedyrepack inc. - bupropion hydrochloride (unii: zg7e5poy8o) (bupropion - unii:01zg3tpx31) - bupropion hydrochloride extended-release tablets (sr) is indicated for the treatment of major depressive disorder (mdd), as defined by the diagnostic and statistical manual (dsm). the efficacy of bupropion in the treatment of a major depressive episode was established in two 4-week controlled inpatient trials and one 6-week controlled outpatient trial of adult subjects with mdd [see clinical studies ( 14)] . the efficacy of bupropion hydrochloride extended-release tablets (sr) in maintaining an antidepressant response for up to 44 weeks following 8 weeks of acute treatment was demonstrated in a placebo-controlled trial [see clinical studies ( 14)] . - bupropion hydrochloride extended-release tablets (sr) are contraindicated in patients with a seizure disorder. - bupropion hydrochloride extended-release tablets (sr) are contraindicated in patients with a current or prior diagnosis of bulimia or anorexia nervosa as a higher incidence of seizures was observed in such patients treated with the immediate-release formulation of bupropion [see warnings and precautions ( 5.3)]. - bupropion hydrochloride extended-release tablets (sr) are contraindicated in patients undergoing abrupt discontinuation of alcohol, benzodiazepines, barbiturates, and antiepileptic drugs [see warnings and precautions ( 5.3), drug interactions ( 7.3)] . - the use of maois (intended to treat psychiatric disorders) concomitantly with bupropion hydrochloride extended-release tablets (sr) or within 14 days of discontinuing treatment with bupropion hydrochloride extended-release tablets (sr) is contraindicated. there is an increased risk of hypertensive reactions when bupropion hydrochloride extended-release tablets (sr) are used concomitantly with maois. the use of bupropion hydrochloride extended-release tablets (sr) within 14 days of discontinuing treatment with an maoi is also contraindicated. starting bupropion hydrochloride extended-release tablets (sr) in a patient treated with reversible maois such as linezolid or intravenous methylene blue is contraindicated [see dosage and administration ( 2.4, 2.5), warnings and precautions ( 5.4), drug interactions ( 7.6)]. - bupropion hydrochloride extended-release tablets (sr) are contraindicated in patients with known hypersensitivity to bupropion or other ingredients of bupropion hydrochloride extended-release tablets (sr). anaphylactoid/anaphylactic reactions and stevens-johnson syndrome have been reported [see warnings and precautions ( 5.8)]. pregnancy exposure registry there is an independent pregnancy exposure registry that monitors pregnancy outcomes in women exposed to any antidepressants during pregnancy. healthcare providers are encouraged to register patients by calling the national pregnancy registry for antidepressants at 1-844-4056185 or visiting online at https://womensmentalhealth.org/clinical-and-research-programs/pregnancyregistry/antidepressants. risk summary data from epidemiological studies of pregnant women exposed to bupropion in the first trimester have not identified an increased risk of congenital malformations overall (see data) . there are risks to the mother associated with untreated depression in pregnancy (see clinical considerations) . when bupropion was administered to pregnant rats during organogenesis, there was no evidence of fetal malformations at doses up to approximately 11 times the maximum recommended human dose (mrhd) of 400 mg/day. when given to pregnant rabbits during organogenesis, non-dose–related increases in incidence of fetal malformations, and skeletal variations were observed at doses approximately equal to the mrhd and greater. decreased fetal weights were seen at doses twice the mrhd and greater (see animal data) . the estimated background risk for major birth defects and miscarriage is unknown for the indicated population. all pregnancies have a background risk of birth defect, loss, or other adverse outcomes. in the u.s. general population, the estimated background risk of major birth defects and of miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. clinical considerations disease-associated maternal and/or embryo/fetal risk: a prospective, longitudinal study followed 201 pregnant women with a history of major depressive disorder who were euthymic and taking antidepressants during pregnancy at the beginning of pregnancy. the women who discontinued antidepressants during pregnancy were more likely to experience a relapse of major depression than women who continued antidepressants. consider the risks to the mother of untreated depression and potential effects on the fetus when discontinuing or changing treatment with antidepressant medications during pregnancy and postpartum. data human data: data from the international bupropion pregnancy registry (675 first trimester exposures) and a retrospective cohort study using the united healthcare database (1,213 first trimester exposures) did not show an increased risk for malformations overall. the registry was not designed or powered to evaluate specific defects but suggested a possible increase in cardiac malformations. no increased risk for cardiovascular malformations overall has been observed after bupropion exposure during the first trimester. the prospectively observed rate of cardiovascular malformations in pregnancies with exposure to bupropion in the first trimester from the international pregnancy registry was 1.3% (9 cardiovascular malformations/675 first-trimester maternal bupropion exposures), which is similar to the background rate of cardiovascular malformations (approximately 1%). data from the united healthcare database, which had a limited number of exposed cases with cardiovascular malformations, and a case-control study (6,853 infants with cardiovascular malformations and 5,763 with non-cardiovascular malformations) of self-reported bupropion use from the national birth defects prevention study (nbdps) did not show an increased risk for cardiovascular malformations overall after bupropion exposure during the first trimester. study findings on bupropion exposure during the first trimester and risk for left ventricular outflow tract obstruction (lvoto) are inconsistent and do not allow conclusions regarding a possible association. the united healthcare database lacked sufficient power to evaluate this association; the nbdps found increased risk for lvoto (n = 10; adjusted or = 2.6; 95% ci: 1.2, 5.7), and the slone epidemiology case control study did not find increased risk for lvoto. study findings on bupropion exposure during the first trimester and risk for ventricular septal defect (vsd) are inconsistent and do not allow conclusions regarding a possible association. the slone epidemiology study found an increased risk for vsd following first trimester maternal bupropion exposure (n = 17; adjusted or = 2.5; 95% ci: 1.3, 5.0) but did not find increased risk for any other cardiovascular malformations studied (including lvoto as above). the nbdps and united healthcare database study did not find an association between first trimester maternal bupropion exposure and vsd. for the findings of lvoto and vsd, the studies were limited by the small number of exposed cases, inconsistent findings among studies, and the potential for chance findings from multiple comparisons in case control studies. animal data: in studies conducted in rats and rabbits, bupropion was administered orally during the period of organogenesis at doses of up to 450 and 150 mg/kg/day, respectively (approximately 11 and 7 times the mrhd, respectively, on a mg/m 2 basis). there was no evidence of fetal malformations in rats. when given to pregnant rabbits during organogenesis, non-dose–related increases in incidence of fetal malformations and skeletal variations were observed at the lowest dose tested (25 mg/kg/day, approximately equal to the mrhd on a mg/m 2 basis) and greater. decreased fetal weights were observed at doses of 50 mg/kg/day (approximately 2 times the mrhd on a mg/m 2 basis) and greater. no maternal toxicity was evident at doses of 50 mg/kg/day or less. in a pre-and postnatal development study, bupropion administered orally to pregnant rats at doses of up to 150 mg/kg/day (approximately 4 times the mrhd on a mg/m 2 basis) from embryonic implantation through lactation had no effect on pup growth or development. risk summary data from published literature report the presence of bupropion and its metabolites in human milk (see data) . there are no data on the effects of bupropion or its metabolites on milk production. limited data from postmarketing reports have not identified a clear association of adverse reactions in the breastfed infant. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for bupropion hydrochloride extended-release tablets (sr) and any potential adverse effects on the breastfed child from bupropion hydrochloride extended-release tablets (sr) or from the underlying maternal condition. data in a lactation study of 10 women, levels of orally dosed bupropion and its active metabolites were measured in expressed milk. the average daily infant exposure (assuming 150 ml/kg daily consumption) to bupropion and its active metabolites was 2% of the maternal weight-adjusted dose. postmarketing reports have described seizures in breastfed infants. the relationship of bupropion exposure and these seizures is unclear. safety and effectiveness in the pediatric population have not been established [see  boxed warning, warnings and precautions ( 5.1)] . of the approximately 6,000 subjects who participated in clinical trials with bupropion sustained-release tablets (depression and smoking cessation trials), 275 were aged ≥65 years and 47 were aged ≥75 years. in addition, several hundred subjects aged ≥65 years participated in clinical trials using the immediate-release formulation of bupropion (depression trials). no overall differences in safety or effectiveness were observed between these subjects and younger subjects. reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out. bupropion is extensively metabolized in the liver to active metabolites, which are further metabolized and excreted by the kidneys. the risk of adverse reactions may be greater in patients with impaired renal function. because elderly patients are more likely to have decreased renal function, it may be necessary to consider this factor in dose selection; it may be useful to monitor renal function [see dosage and administration ( 2.3), use in specific populations ( 8.6), clinical pharmacology ( 12.3)]. consider a reduced dose and/or dosing frequency of bupropion hydrochloride extended-release tablets (sr) in patients with renal impairment (gfr: less than 90 ml per min). bupropion and its metabolites are cleared renally and may accumulate in such patients to a greater extent than usual. monitor closely for adverse reactions that could indicate high bupropion or metabolite exposures [see dosage and administration ( 2.3), clinical pharmacology ( 12.3)] . in patients with moderate to severe hepatic impairment (child-pugh score: 7 to 15), the maximum dose of bupropion hydrochloride extended-release tablets (sr) is 100 mg per day or 150 mg every other day. in patients with mild hepatic impairment (child-pugh score: 5 to 6), consider reducing the dose and/or frequency of dosing [ see dosage and administration ( 2.2), clinical pharmacology ( 12.3)] . bupropion is not a controlled substance. humans controlled clinical trials conducted in normal volunteers, in subjects with a history of multiple drug abuse, and in depressed subjects showed some increase in motor activity and agitation/excitement, often typical of central stimulant activity. in a population of individuals experienced with drugs of abuse, a single oral dose of 400 mg of bupropion produced mild amphetamine-like activity as compared with placebo on the morphine benzedrine subscale of the addiction research center inventories (arci) and a score greater than placebo but less than 15 mg of the schedule ii stimulant dextroamphetamine on the liking scale of the arci. these scales measure general feelings of euphoria and drug liking which are often associated with abuse potential. findings in clinical trials, however, are not known to reliably predict the abuse potential of drugs. nonetheless, evidence from single-dose trials does suggest that the recommended daily dosage of bupropion when administered orally in divided doses is not likely to be significantly reinforcing to amphetamine or cns stimulant abusers. however, higher doses (which could not be tested because of the risk of seizure) might be modestly attractive to those who abuse cns stimulant drugs. bupropion hydrochloride extended-release tablets (sr) are intended for oral use only. the inhalation of crushed tablets or injection of dissolved bupropion has been reported. seizures and/or cases of death have been reported when bupropion has been administered intranasally or by parenteral injection. animals studies in rodents and primates demonstrated that bupropion exhibits some pharmacologic actions common to psychostimulants. in rodents, it has been shown to increase locomotor activity, elicit a mild stereotyped behavior response, and increase rates of responding in several schedule-controlled behavior paradigms. in primate models assessing the positive reinforcing effects of psychoactive drugs, bupropion was self-administered intravenously. in rats, bupropion produced amphetamine-like and cocaine-like discriminative stimulus effects in drug discrimination paradigms used to characterize the subjective effects of psychoactive drugs.

INDOMETHACIN capsule Соединенные Штаты - английский - NLM (National Library of Medicine)

indomethacin capsule

remedyrepack inc. - indomethacin (unii: xxe1cet956) (indomethacin - unii:xxe1cet956) - indomethacin capsules are indicated for: - moderate to severe rheumatoid arthritis including acute flares of chronic disease - moderate to severe ankylosing spondylitis - moderate to severe osteoarthritis - acute painful shoulder (bursitis and/or tendinitis) - acute gouty arthritis indomethacin capsules are contraindicated in the following patients: - known hypersensitivity (e.g., anaphylactic reactions and serious skin reactions) to indomethacin or any components of the drug product [see warnings and precautions ( 5.7, 5.9)] . - history of asthma, urticaria, or other allergic-type reactions after taking aspirin or other nsaids. severe, sometimes fatal, anaphylactic reactions to nsaids have been reported in such patients [see warnings and precautions ( 5.7, 5.8)] . - in the setting of coronary artery bypass graft (cabg) surgery [see warnings and precautions ( 5.1)]. risk summary use of nsaids, including indomethacin capsules, can cause premature closure of the fetal ductus arteriosus and fetal renal dysfunction leading to oligohydramnios and, in some cases, neonatal renal impairment. because of these risks, limit dose and duration of indomethacin capsules use between about 20 and 30 weeks of gestation, and avoid indomethacin capsules use at about 30 weeks of gestation and later in pregnancy ( see clinical considerations, data ). premature closure of fetal ductus arteriosus use of nsaids, including indomethacin capsules, at about 30 weeks gestation or later in pregnancy increases the risk of premature closure of the fetal ductus arteriosus. oligohydramnios/neonatal renal impairment use of nsaids at about 20 weeks gestation or later in pregnancy has been associated with cases of fetal renal dysfunction leading to oligohydramnios, and in some cases, neonatal renal impairment. data from observational studies regarding other potential embryofetal risks of nsaid use in women in the first or second trimesters of pregnancy are inconclusive. in animal reproduction studies retarded fetal ossification was observed with administration of indomethacin to mice and rats during organogenesis at doses 0.1 and 0.2 times, respectively, the maximum recommended human dose (mrhd, 200 mg). in published studies in pregnant mice, indomethacin produced maternal toxicity and death, increased fetal resorptions, and fetal malformations at 0.1 times the mrhd. when rat and mice dams were dosed during the last three days of gestation, indomethacin produced neuronal necrosis in the offspring at 0.1 and 0.05 times the mrhd, respectively [see data ]. based on animal data, prostaglandins have been shown to have an important role in endometrial vascular permeability, blastocyst implantation, and decidualization. in animal studies, administration of prostaglandin synthesis inhibitors such as indomethacin, resulted in increased pre- and post-implantation loss. prostaglandins also have been shown to have an important role in fetal kidney development. in published animal studies, prostaglandin synthesis inhibitors have been reported to impair kidney development when administered at clinically relevant doses. the estimated background risk of major birth defects and miscarriage for the indicated population(s) is unknown. all pregnancies have a background risk of birth defect, loss, or other adverse outcomes. in the u.s. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. clinical considerations fetal/neonatal adverse reactions premature closure of fetal ductus arteriosus: avoid use of nsaids in women at about 30 weeks gestation and later in pregnancy, because nsaids, including indomethacin capsules, can cause premature closure of the fetal ductus arteriosus ( see data ). oligohydramnios/neonatal renal impairment if an nsaid is necessary at about 20 weeks gestation or later in pregnancy, limit the use to the lowest effective dose and shortest duration possible. if indomethacin capsules treatment extends beyond 48 hours, consider monitoring with ultrasound for oligohydramnios. if oligohydramnios occurs, discontinue indomethacin capsules and follow up according to clinical practice ( see data ). labor or delivery there are no studies on the effects of indomethacin capsules during labor or delivery. in animal studies, nsaids, including indomethacin, inhibit prostaglandin synthesis, cause delayed parturition, and increase the incidence of stillbirth. data human data premature closure of fetal ductus arteriosus: published literature reports that the use of nsaids at about 30 weeks of gestation and later in pregnancy may cause premature closure of the fetal ductus arteriosus. oligohydramnios/neonatal renal impairment: published studies and postmarketing reports describe maternal nsaid use at about 20 weeks gestation or later in pregnancy associated with fetal renal dysfunction leading to oligohydramnios, and in some cases, neonatal renal impairment. these adverse outcomes are seen, on average, after days to weeks of treatment, although oligohydramnios has been infrequently reported as soon as 48 hours after nsaid initiation. in many cases, but not all, the decrease in amniotic fluid was transient and reversible with cessation of the drug. there have been a limited number of case reports of maternal nsaid use and neonatal renal dysfunction without oligohydramnios, some of which were irreversible. some cases of neonatal renal dysfunction required treatment with invasive procedures, such as exchange transfusion or dialysis. methodological limitations of these postmarketing studies and reports include lack of a control group; limited information regarding dose, duration, and timing of drug exposure; and concomitant use of other medications. these limitations preclude establishing a reliable estimate of the risk of adverse fetal and neonatal outcomes with maternal nsaid use. because the published safety data on neonatal outcomes involved mostly preterm infants, the generalizability of certain reported risks to the full-term infant exposed to nsaids through maternal use is uncertain. animal data reproductive studies were conducted in mice and rats at dosages of 0.5, 1, 2, and 4 mg/kg/day. except for retarded fetal ossification at 4 mg/kg/day (0.1 times [mice] and 0.2 times [rats] the mrhd on a mg/m 2 basis, respectively) considered secondary to the decreased average fetal weights, no increase in fetal malformations was observed as compared with control groups. other studies in mice reported in the literature using higher doses (5 to 15 mg/kg/day, 0.1 to 0.4 times mrhd on a mg/m 2 basis) have described maternal toxicity and death, increased fetal resorptions, and fetal malformations. in rats and mice, maternal indomethacin administration of 4 mg/kg/day (0.2 times and 0.1 times the mrhd on a mg/m 2 basis) during the last 3 days of gestation was associated with an increased incidence of neuronal necrosis in the diencephalon in the live-born fetuses however no increase in neuronal necrosis was observed at 2 mg/kg/day as compared to the control groups (0.1 times and 0.05 times the mrhd on a mg/m 2 basis). administration of 0.5 or 4 mg/kg/day to offspring during the first 3 days of life did not cause an increase in neuronal necrosis at either dose level. risk summary based on available published clinical data, indomethacin may be present in human milk. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for indomethacin capsules and any potential adverse effects on the breastfed infant from the indomethacin capsules or from the underlying maternal condition. data in one study, levels of indomethacin in breast milk were below the sensitivity of the assay (<20 mcg/l) in 11 of 15 women using doses ranging from 75 mg orally to 300 mg rectally daily (0.94 to 4.29 mg/kg daily) in the postpartum period. based on these levels, the average concentration present in breast milk was estimated to be 0.27% of the maternal weight-adjusted dose. in another study indomethacin levels were measured in breast milk of eight postpartum women using doses of 75 mg daily and the results were used to calculate an estimated infant daily dose. the estimated infant dose of indomethacin from breast milk was less than 30 mcg/day or 4.5 mcg/kg/day assuming breast milk intake of 150 ml/kg/day. this is 0.5% of the maternal weight-adjusted dosage or about 3% of the neonatal dose for treatment of patent ductus arteriosus. infertility females based on the mechanism of action, the use of prostaglandin-mediated nsaids, including indomethacin capsules, may delay or prevent rupture of ovarian follicles, which has been associated with reversible infertility in some women. published animal studies have shown that administration of prostaglandin synthesis inhibitors has the potential to disrupt prostaglandin-mediated follicular rupture required for ovulation. small studies in women treated with nsaids have also shown a reversible delay in ovulation. consider withdrawal of nsaids, including indomethacin capsules, in women who have difficulties conceiving or who are undergoing investigation of infertility. safety and effectiveness in pediatric patients 14 years of age and younger has not been established. indomethacin capsules should not be prescribed for pediatric patients 14 years of age and younger unless toxicity or lack of efficacy associated with other drugs warrants the risk. in experience with more than 900 pediatric patients reported in the literature or to the manufacturer who were treated with indomethacin capsules, side effects in pediatric patients were comparable to those reported in adults. experience in pediatric patients has been confined to the use of indomethacin capsules. if a decision is made to use indomethacin for pediatric patients two years of age or older, such patients should be monitored closely and periodic assessment of liver function is recommended. there have been cases of hepatotoxicity reported in pediatric patients with juvenile rheumatoid arthritis, including fatalities. if indomethacin treatment is instituted, a suggested starting dose is 1 to 2 mg/kg/day given in divided doses. maximum daily dosage should not exceed 3 mg/kg/day or 150 to 200 mg/day, whichever is less. limited data are available to support the use of a maximum daily dosage of 4 mg/kg/day or 150 to 200 mg/day, whichever is less. as symptoms subside, the total daily dosage should be reduced to the lowest level required to control symptoms, or the drug should be discontinued. elderly patients, compared to younger patients, are at greater risk for nsaid-associated serious cardiovascular, gastrointestinal, and/or renal adverse reactions. if the anticipated benefit for the elderly patient outweighs these potential risks, start dosing at the low end of the dosing range, and monitor patients for adverse effects [ see warnings and precautions (5.1, 5.2, 5.3, 5.6, 5.14) ]. indomethacin may cause confusion or rarely, psychosis [ see adverse reactions (6.1)]; physicians should remain alert to the possibility of such adverse effects in the elderly. indomethacin and its metabolites are known to be substantially excreted by the kidneys, and the risk of adverse reactions to this drug may be greater in patients with impaired renal function. because elderly patients are more likely to have decreased renal function, use caution in this patient population, and it may be useful to monitor renal function [ see clinical pharmacology (12.3) ].

INDOMETHACIN capsule Соединенные Штаты - английский - NLM (National Library of Medicine)

indomethacin capsule

remedyrepack inc. - indomethacin (unii: xxe1cet956) (indomethacin - unii:xxe1cet956) - indomethacin capsules are indicated for: - moderate to severe rheumatoid arthritis including acute flares of chronic disease - moderate to severe ankylosing spondylitis - moderate to severe osteoarthritis - acute painful shoulder (bursitis and/or tendinitis) - acute gouty arthritis indomethacin capsules are contraindicated in the following patients: - known hypersensitivity (e.g., anaphylactic reactions and serious skin reactions) to indomethacin or any components of the drug product [see warnings and precautions ( 5.7, 5.9)] . - history of asthma, urticaria, or other allergic-type reactions after taking aspirin or other nsaids. severe, sometimes fatal, anaphylactic reactions to nsaids have been reported in such patients [see warnings and precautions ( 5.7, 5.8)] . - in the setting of coronary artery bypass graft (cabg) surgery [see warnings and precautions ( 5.1)]. risk summary use of nsaids, including indomethacin capsules, can cause premature closure of the fetal ductus arteriosus and fetal renal dysfunction leading to oligohydramnios and, in some cases, neonatal renal impairment. because of these risks, limit dose and duration of indomethacin capsules use between about 20 and 30 weeks of gestation, and avoid indomethacin capsules use at about 30 weeks of gestation and later in pregnancy ( see clinical considerations, data ). premature closure of fetal ductus arteriosus use of nsaids, including indomethacin capsules, at about 30 weeks gestation or later in pregnancy increases the risk of premature closure of the fetal ductus arteriosus. oligohydramnios/neonatal renal impairment use of nsaids at about 20 weeks gestation or later in pregnancy has been associated with cases of fetal renal dysfunction leading to oligohydramnios, and in some cases, neonatal renal impairment. data from observational studies regarding other potential embryofetal risks of nsaid use in women in the first or second trimesters of pregnancy are inconclusive. in animal reproduction studies retarded fetal ossification was observed with administration of indomethacin to mice and rats during organogenesis at doses 0.1 and 0.2 times, respectively, the maximum recommended human dose (mrhd, 200 mg). in published studies in pregnant mice, indomethacin produced maternal toxicity and death, increased fetal resorptions, and fetal malformations at 0.1 times the mrhd. when rat and mice dams were dosed during the last three days of gestation, indomethacin produced neuronal necrosis in the offspring at 0.1 and 0.05 times the mrhd, respectively [see data ]. based on animal data, prostaglandins have been shown to have an important role in endometrial vascular permeability, blastocyst implantation, and decidualization. in animal studies, administration of prostaglandin synthesis inhibitors such as indomethacin, resulted in increased pre- and post-implantation loss. prostaglandins also have been shown to have an important role in fetal kidney development. in published animal studies, prostaglandin synthesis inhibitors have been reported to impair kidney development when administered at clinically relevant doses. the estimated background risk of major birth defects and miscarriage for the indicated population(s) is unknown. all pregnancies have a background risk of birth defect, loss, or other adverse outcomes. in the u.s. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. clinical considerations fetal/neonatal adverse reactions premature closure of fetal ductus arteriosus: avoid use of nsaids in women at about 30 weeks gestation and later in pregnancy, because nsaids, including indomethacin capsules, can cause premature closure of the fetal ductus arteriosus ( see data ). oligohydramnios/neonatal renal impairment if an nsaid is necessary at about 20 weeks gestation or later in pregnancy, limit the use to the lowest effective dose and shortest duration possible. if indomethacin capsules treatment extends beyond 48 hours, consider monitoring with ultrasound for oligohydramnios. if oligohydramnios occurs, discontinue indomethacin capsules and follow up according to clinical practice ( see data ). labor or delivery there are no studies on the effects of indomethacin capsules during labor or delivery. in animal studies, nsaids, including indomethacin, inhibit prostaglandin synthesis, cause delayed parturition, and increase the incidence of stillbirth. data human data premature closure of fetal ductus arteriosus: published literature reports that the use of nsaids at about 30 weeks of gestation and later in pregnancy may cause premature closure of the fetal ductus arteriosus. oligohydramnios/neonatal renal impairment: published studies and postmarketing reports describe maternal nsaid use at about 20 weeks gestation or later in pregnancy associated with fetal renal dysfunction leading to oligohydramnios, and in some cases, neonatal renal impairment. these adverse outcomes are seen, on average, after days to weeks of treatment, although oligohydramnios has been infrequently reported as soon as 48 hours after nsaid initiation. in many cases, but not all, the decrease in amniotic fluid was transient and reversible with cessation of the drug. there have been a limited number of case reports of maternal nsaid use and neonatal renal dysfunction without oligohydramnios, some of which were irreversible. some cases of neonatal renal dysfunction required treatment with invasive procedures, such as exchange transfusion or dialysis. methodological limitations of these postmarketing studies and reports include lack of a control group; limited information regarding dose, duration, and timing of drug exposure; and concomitant use of other medications. these limitations preclude establishing a reliable estimate of the risk of adverse fetal and neonatal outcomes with maternal nsaid use. because the published safety data on neonatal outcomes involved mostly preterm infants, the generalizability of certain reported risks to the full-term infant exposed to nsaids through maternal use is uncertain. animal data reproductive studies were conducted in mice and rats at dosages of 0.5, 1, 2, and 4 mg/kg/day. except for retarded fetal ossification at 4 mg/kg/day (0.1 times [mice] and 0.2 times [rats] the mrhd on a mg/m 2 basis, respectively) considered secondary to the decreased average fetal weights, no increase in fetal malformations was observed as compared with control groups. other studies in mice reported in the literature using higher doses (5 to 15 mg/kg/day, 0.1 to 0.4 times mrhd on a mg/m 2 basis) have described maternal toxicity and death, increased fetal resorptions, and fetal malformations. in rats and mice, maternal indomethacin administration of 4 mg/kg/day (0.2 times and 0.1 times the mrhd on a mg/m 2 basis) during the last 3 days of gestation was associated with an increased incidence of neuronal necrosis in the diencephalon in the live-born fetuses however no increase in neuronal necrosis was observed at 2 mg/kg/day as compared to the control groups (0.1 times and 0.05 times the mrhd on a mg/m 2 basis). administration of 0.5 or 4 mg/kg/day to offspring during the first 3 days of life did not cause an increase in neuronal necrosis at either dose level. risk summary based on available published clinical data, indomethacin may be present in human milk. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for indomethacin capsules and any potential adverse effects on the breastfed infant from the indomethacin capsules or from the underlying maternal condition. data in one study, levels of indomethacin in breast milk were below the sensitivity of the assay (<20 mcg/l) in 11 of 15 women using doses ranging from 75 mg orally to 300 mg rectally daily (0.94 to 4.29 mg/kg daily) in the postpartum period. based on these levels, the average concentration present in breast milk was estimated to be 0.27% of the maternal weight-adjusted dose. in another study indomethacin levels were measured in breast milk of eight postpartum women using doses of 75 mg daily and the results were used to calculate an estimated infant daily dose. the estimated infant dose of indomethacin from breast milk was less than 30 mcg/day or 4.5 mcg/kg/day assuming breast milk intake of 150 ml/kg/day. this is 0.5% of the maternal weight-adjusted dosage or about 3% of the neonatal dose for treatment of patent ductus arteriosus. infertility females based on the mechanism of action, the use of prostaglandin-mediated nsaids, including indomethacin capsules, may delay or prevent rupture of ovarian follicles, which has been associated with reversible infertility in some women. published animal studies have shown that administration of prostaglandin synthesis inhibitors has the potential to disrupt prostaglandin-mediated follicular rupture required for ovulation. small studies in women treated with nsaids have also shown a reversible delay in ovulation. consider withdrawal of nsaids, including indomethacin capsules, in women who have difficulties conceiving or who are undergoing investigation of infertility. safety and effectiveness in pediatric patients 14 years of age and younger has not been established. indomethacin capsules should not be prescribed for pediatric patients 14 years of age and younger unless toxicity or lack of efficacy associated with other drugs warrants the risk. in experience with more than 900 pediatric patients reported in the literature or to the manufacturer who were treated with indomethacin capsules, side effects in pediatric patients were comparable to those reported in adults. experience in pediatric patients has been confined to the use of indomethacin capsules. if a decision is made to use indomethacin for pediatric patients two years of age or older, such patients should be monitored closely and periodic assessment of liver function is recommended. there have been cases of hepatotoxicity reported in pediatric patients with juvenile rheumatoid arthritis, including fatalities. if indomethacin treatment is instituted, a suggested starting dose is 1 to 2 mg/kg/day given in divided doses. maximum daily dosage should not exceed 3 mg/kg/day or 150 to 200 mg/day, whichever is less. limited data are available to support the use of a maximum daily dosage of 4 mg/kg/day or 150 to 200 mg/day, whichever is less. as symptoms subside, the total daily dosage should be reduced to the lowest level required to control symptoms, or the drug should be discontinued. elderly patients, compared to younger patients, are at greater risk for nsaid-associated serious cardiovascular, gastrointestinal, and/or renal adverse reactions. if the anticipated benefit for the elderly patient outweighs these potential risks, start dosing at the low end of the dosing range, and monitor patients for adverse effects [ see warnings and precautions (5.1, 5.2, 5.3, 5.6, 5.14) ]. indomethacin may cause confusion or rarely, psychosis [ see adverse reactions (6.1)]; physicians should remain alert to the possibility of such adverse effects in the elderly. indomethacin and its metabolites are known to be substantially excreted by the kidneys, and the risk of adverse reactions to this drug may be greater in patients with impaired renal function. because elderly patients are more likely to have decreased renal function, use caution in this patient population, and it may be useful to monitor renal function [ see clinical pharmacology (12.3) ].

DICLOFENAC SODIUM- diclofenac sodium topical gel Соединенные Штаты - английский - NLM (National Library of Medicine)

diclofenac sodium- diclofenac sodium topical gel

remedyrepack inc. - diclofenac sodium (unii: qtg126297q) (diclofenac - unii:144o8ql0l1) - diclofenac sodium topical gel is indicated for the topical treatment of actinic keratoses (ak). diclofenac sodium topical gel is contraindicated in the following patients:  - with known hypersensitivity (e.g., anaphylactic reactions and serious skin reactions) to diclofenac or any components of the drug product [see warnings and precautions ( 5.1, 5.3, 5.10) and description ( 11)]     - with the history of asthma, urticaria, or other allergic type reactions after taking aspirin or other nsaids. severe, sometimes fatal, anaphylactic reactions to nsaids have been reported in such patients [see warnings and precautions ( 5.1, 5.2)] - application on damaged skin resulting from any etiology, including exudative dermatitis, eczema, infected lesions, burns or wounds [see warnings and precautions ( 5.3)] - in the setting of coronary bypass graft (cabg) surgery [see warnings and precautions ( 5.4)] risk summary use of nsaids, including diclofenac sodium topical gel, can cause premature closure of the fetal ductus arteriosus and fetal renal dysfunction leading to oligohydramnios and, in some cases, neonatal renal impairment.  because of these risks, limit dose and duration of diclofenac sodium topical gel use between about 20 and 30 weeks of gestation and avoid diclofenac sodium topical gel use at about 30 weeks of gestation and later in pregnancy.  oligohydramnios/neonatal renal impairment use of nsaids at about 20 weeks gestation or later in pregnancy has been associated with cases of fetal renal dysfunction leading to oligohydramnios, and in some cases, neonatal renal impairment. premature closure of fetal ductus arteriosus use of nsaids, including diclofenac sodium topical gel, at about 30 weeks gestation or later in pregnancy increases the risk of premature closure of the fetal ductus arteriosus. data from observational studies regarding other potential embryofetal risks of nsaid use in women in the first or second trimesters of pregnancy are inconclusive.  in animal reproduction studies, no evidence of malformations was observed in mice, rats, or rabbits given diclofenac during the period of organogenesis at doses at least 15 times, the maximum recommended human dose (mrhd) of diclofenac sodium topical gel (see data) . based on published animal data, prostaglandins have been shown to have an important role in endometrial vascular permeability, blastocyst implantation, and decidualization, and administration of prostaglandin synthesis inhibitors such as diclofenac sodium, resulted in increased pre- and post-implantation loss. prostaglandins also have been shown to have an important role in fetal kidney development. in published animal studies, prostaglandin synthesis inhibitors have been reported to impair kidney development when administered at clinically relevant doses. the background risk of major birth defects and miscarriage for the indicated population(s) is unknown. all pregnancies have a background risk of birth defect, loss, or other adverse outcomes. in the u.s. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. clinical considerations fetal/neonatal adverse reactions premature closure of fetal ductus arteriosus avoid use of nsaids in women at about 30 weeks gestation and later in pregnancy, because nsaids, including diclofenac sodium topical gel, can cause premature closure of the fetal ductus arteriosus.  oligohydramnios/neonatal renal impairment if after careful consideration of alternative treatment options for actinic keratoses, an nsaid is necessary at about 20 weeks gestation or later in pregnancy, limit the use to the lowest effective dose and shortest duration possible. if diclofenac sodium topical gel treatment extends beyond 48 hours, consider monitoring with ultrasound for oligohydramnios. if oligohydramnios occurs, discontinue diclofenac sodium topical gel and follow up according to clinical practice. labor or delivery there are no studies on the effects of diclofenac sodium topical gel during labor or delivery. in animal studies, nsaids, including diclofenac, inhibit prostaglandin synthesis, cause delayed parturition, and increase the incidence of stillbirth. data human data premature closure of fetal ductus arteriosus published literature reports that the use of nsaids at about 30 weeks of gestation and later in pregnancy may cause premature closure of the fetal ductus arteriosus. oligohydramnios/neonatal renal impairment published studies and postmarketing reports describe maternal nsaid use at about 20 weeks gestation or later in pregnancy associated with fetal renal dysfunction leading to oligohydramnios, and in some cases, neonatal renal impairment. these adverse outcomes are seen, on average, after days to weeks of treatment, although oligohydramnios has been infrequently reported as soon as 48 hours after nsaid initiation. in many cases, but not all, the decrease in amniotic fluid was transient and reversible with cessation of the drug. there have been a limited number of case reports of maternal nsaid use and neonatal renal dysfunction without oligohydramnios, some of which were irreversible. some cases of neonatal renal dysfunction required treatment with invasive procedures, such as exchange transfusion or dialysis. methodological limitations of these postmarketing studies and reports include lack of a control group; limited information regarding dose, duration, and timing of drug exposure; and concomitant use of other medications. these limitations preclude establishing a reliable estimate of the risk of adverse fetal and neonatal outcomes with maternal nsaid use. because the published safety data on neonatal outcomes involved mostly preterm infants, the generalizability of certain reported risks to the full-term infant exposed to nsaids through maternal use is uncertain. animal data the multiples provided in this labeling are based on an mrhd that assumes 10% bioavailability following topical application of 2 g diclofenac sodium topical gel per day (1 mg/kg diclofenac sodium). reproductive studies performed with diclofenac sodium alone at oral doses up to 20 mg/kg/day (15 times the mrhd based on body surface area (bsa) comparisons) in mice, 10 mg/kg/day (15 times the mrhd based on bsa comparisons) in rats, and 10 mg/kg/day (30 times the mrhd based on bsa comparisons) in rabbits have revealed no evidence of malformations despite the induction of maternal toxicity. in rats, maternally toxic doses were associated with dystocia, prolonged gestation, reduced fetal weights and growth, and reduced fetal survival. diclofenac has been shown to cross the placental barrier in mice and rats. risk summary data from published literature cases with oral preparations of diclofenac indicate the presence of small amounts of diclofenac in human milk. there are no data on the effects on the breastfed infant, or the effects on milk production. the developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for diclofenac sodium topical gel and any potential adverse effects on the breastfed infant from the diclofenac sodium topical gel or from the underlying maternal condition. data one woman treated orally with a diclofenac salt, 150 mg/day, had a milk diclofenac level of 100 mcg/l, equivalent to an infant dose of about 0.03 mg/kg/day. diclofenac was not detectable in breast milk in 12 women using diclofenac (after either 100 mg/day orally for 7 days or a single 50 mg intramuscular dose administered in the immediate postpartum period). the systemic bioavailability after topical application of diclofenac sodium topical gel is lower than after oral dosing [see clinical pharmacology ( 12.3)] . female infertility based on the mechanism of action, the use of prostaglandin mediated nsaids, including diclofenac sodium topical gel,  may delay or prevent rupture of ovarian follicles, which has been associated with reversible infertility in some women [see clinical pharmacology ( 12.1)].   published animal studies have shown that administration of prostaglandin synthesis inhibitors has the potential to disrupt prostaglandin-mediated follicular rupture required for ovulation. small studies in women treated with nsaids have also shown a reversible delay in ovulation. consider withdrawal of nsaids, including diclofenac sodium topical gel, in women who have difficulties conceiving or who are undergoing investigation of infertility. actinic keratoses is not a condition seen within the pediatric population. diclofenac sodium topical gel should not be used by children. elderly patients, compared to younger patients, are at greater risk for nsaid-associated serious cardiovascular, gastrointestinal, and/or renal adverse reactions. if the anticipated benefit for the elderly patient outweighs these potential risks, start dosing at the low end of the dosing range, and monitor patients for adverse effects [see warnings and precautions ( 5.4, 5.5, 5.6, 5.9, 5.14)]. of the 211 subjects treated with diclofenac sodium topical gel in controlled clinical trials, 143 subjects were 65 years of age and over. of those 143 subjects, 55 subjects were 75 years of age and over. no overall differences in safety or effectiveness were observed between these subjects and younger subjects, and other reported clinical experience has not identified differences in responses between the elderly and younger patients, but greater sensitivity of some older individuals cannot be ruled out.

SIROLIMUS tablet Соединенные Штаты - английский - NLM (National Library of Medicine)

sirolimus tablet

remedyrepack inc. - sirolimus (unii: w36zg6ft64) (sirolimus - unii:w36zg6ft64) - sirolimus tablets are indicated for the prophylaxis of organ rejection in patients aged 13 years or older receiving renal transplants. in patients at low- to moderate-immunologic risk , it is recommended that sirolimus tablets be used initially in a regimen with cyclosporine and corticosteroids; cyclosporine should be withdrawn 2 to 4 months after transplantation [see dosage and administration ( 2.2) ].  in patients at high-immunologic risk  (defined as black recipients and/or repeat renal transplant recipients who lost a previous allograft for immunologic reason and/or patients with high panel-reactive antibodies [pra; peak pra level > 80%]), it is recommended that sirolimus tablets be used in combination with cyclosporine and corticosteroids for the first year following transplantation [see dosage and administration ( 2.3 ), clinical studies ( 14.3) ]. cyclosporine withdrawal has not been studied in patients with banff grade 3 acute rejection or vascular rejection prior to cyclosporine withdrawal, those who are dialysis-dependent, those with serum creatinine >4.5 mg/dl, black patients, patients of multi-organ transplants, secondary transplants, or those with high levels of panel-reactive antibodies [see clinical studies (14.2) ].  in patients at high-immunologic risk, the safety and efficacy of sirolimus tablets used in combination with cyclosporine and corticosteroids has not been studied beyond one year; therefore after the first 12 months following transplantation, any adjustments to the immunosuppressive regimen should be considered on the basis of the clinical status of the patient [see clinical studies ( 14.3) ].  in pediatric patients ,  the safety and efficacy of sirolimus tablets have not been established in patients <13 years old, or in pediatric (<18 years) renal transplant patients considered at high- immunologic risk [see adverse reactions ( 6.5), clinical studies ( 14.6) ]. the safety and efficacy of de novo use of sirolimus tablets without cyclosporine have not been established in renal transplant patients [see  warnings and precautions ( 5.12) ]. the safety and efficacy of  conversion from calcineurin inhibitors to sirolimus tablets in maintenance renal transplant patients have not been established [see clinical studies ( 14.4) ]. sirolimus is indicated for the treatment of patients with lymphangioleiomyomatosis (lam). sirolimus is contraindicated in patients with a hypersensitivity to sirolimus [see warnings and precautions (5.4) ]. risk summary based on animal studies and the mechanism of action, sirolimus can cause fetal harm when administered to a pregnant woman [see data , clinical pharmacology ( 12.1) ]. there are limited data on the use of sirolimus during pregnancy; however, these data are insufficient to inform a drug-associated risk of adverse developmental outcomes. in animal studies, sirolimus was embryo/fetotoxic in rats at sub-therapeutic doses [ see data ]. advise pregnant women of the potential risk to a fetus. the estimated background risk of major birth defects and miscarriage for the indicated population is unknown. in the u.s. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2 to 4% and 15 to 20%, respectively. data animal data sirolimus crossed the placenta and was toxic to the conceptus. in rat embryo-fetal development studies, pregnant rats were administered sirolimus orally during the period of organogenesis (gestational day 6 to 15). sirolimus produced embryo-fetal lethality at 0.5 mg/kg (2.5-fold the clinical dose of 2 mg, on a body surface area basis) and reduced fetal weight at 1 mg/kg (5-fold the clinical dose of 2 mg). the no observed adverse effect level (noael) for fetal toxicity in rats was 0.1 mg/kg (0.5-fold the clinical dose of 2 mg). maternal toxicity (weight loss) was observed at 2 mg/kg (10-fold the clinical dose of 2 mg). the noael for maternal toxicity was 1 mg/kg. in combination with cyclosporine, rats had increased embryo-fetal mortality compared with sirolimus alone. in rabbit embryo-fetal development studies, pregnant rabbits were administered sirolimus orally during the period of organogenesis (gestational day 6 to 18). there were no effects on embryo-fetal development at doses up to 0.05 mg/kg (0.5-fold the clinical dose of 2 mg, on a body surface area basis); however, at doses of 0.05 mg/kg and above, the ability to sustain a successful pregnancy was impaired (i.e., embryo-fetal abortion or early resorption). maternal toxicity (decreased body weight) was observed at 0.05 mg/kg. the noael for maternal toxicity was 0.025 mg/kg (0.25-fold the clinical dose of 2 mg). in a pre- and post-natal development study in rats, pregnant females were dosed during gestation and lactation (gestational day 6 through lactation day 20). an increased incidence of dead pups, resulting in reduced live litter size, occurred at 0.5 mg/kg (2.5-fold the clinical dose of 2 mg/kg on a body surface area basis). at 0.1 mg/kg (0.5-fold the clinical dose of 2 mg), there were no adverse effects on offspring. sirolimus did not cause maternal toxicity or affect developmental parameters in the surviving offspring (morphological development, motor activity, learning, or fertility assessment) at 0.5 mg/kg, the highest dose tested. risk summary it is not known whether sirolimus is present in human milk. there are no data on its effects on the breastfed infant or milk production. the pharmacokinetic and safety profiles of sirolimus in infants are not known. sirolimus is present in the milk of lactating rats. there is potential for serious adverse effects from sirolimus in breastfed infants based on mechanism of action [see clinical pharmacology ( 12.1) ]. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for sirolimus and any potential adverse effects on the breastfed child from sirolimus. contraception females should not be pregnant or become pregnant while receiving sirolimus. advise females of reproductive potential that animal studies have been shown sirolimus to be harmful to the developing fetus. females of reproductive potential are recommended to use highly effective contraceptive method. effective contraception must be initiated before sirolimus therapy, during sirolimus therapy, and for 12 weeks after sirolimus therapy has been stopped [see warnings and precautions ( 5.15), use in specific populations ( 8.1) ]. infertility based on clinical findings and findings in animals, male and female fertility may be compromised by the treatment with sirolimus [ see adverse reactions ( 6.7), nonclinical toxicology ( 13.1) ]. ovarian cysts and menstrual disorders (including amenorrhea and menorrhagia) have been reported in females with the use of sirolimus. azoospermia has been reported in males with the use of sirolimus and has been reversible upon discontinuation of sirolimus in most cases. renal transplant the safety and efficacy of sirolimus in pediatric patients <13 years have not been established.   the safety and efficacy of sirolimus oral solution and sirolimus tablets have been established for prophylaxis of organ rejection in renal transplantation in children ≥13 years judged to be at low- to moderate-immunologic risk. use of sirolimus oral solution and sirolimus tablets in this subpopulation of children ≥13 years is supported by evidence from adequate and well-controlled trials of sirolimus oral solution in adults with additional pharmacokinetic data in pediatric renal transplantation patients [see clinical pharmacology (12.3) ].  safety and efficacy information from a controlled clinical trial in pediatric and adolescent (<18 years of age) renal transplant patients judged to be at high-immunologic risk, defined as a history of one or more acute rejection episodes and/or the presence of chronic allograft nephropathy, do not support the chronic use of sirolimus oral solution or tablets in combination with calcineurin inhibitors and corticosteroids, due to the higher incidence of lipid abnormalities and deterioration of renal function associated with these immunosuppressive regimens compared to calcineurin inhibitors, without increased benefit with respect to acute rejection, graft survival, or patient survival [see clinical studies (14.6) ]. lymphangioleiomyomatosis the safety and efficacy of sirolimus in pediatric patients <18 years have not been established. clinical studies of sirolimus oral solution or tablets did not include sufficient numbers of patients ≥65 years to determine whether they respond differently from younger patients. data pertaining to sirolimus trough concentrations suggest that dose adjustments based upon age in geriatric renal patients are not necessary. differences in responses between the elderly and younger patients have not been identified. in general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, or cardiac function, and of concomitant disease or other drug therapy. the maintenance dose of sirolimus should be reduced in patients with hepatic impairment [see dosage and administration (2.7), clinical pharmacology (12.3) ]. dosage adjustment is not required in patients with renal impairment [see dosage and administration (2.8),clinical pharmacology (12.3) ].

LAMOTRIGINE tablet Соединенные Штаты - английский - NLM (National Library of Medicine)

lamotrigine tablet

remedyrepack inc. - lamotrigine (unii: u3h27498ks) (lamotrigine - unii:u3h27498ks) - adjunctive therapy lamotrigine is indicated as adjunctive therapy for the following seizure types in patients aged 2 years and older: - partial-onset seizures. - primary generalized tonic-clonic seizures (pgtc) seizures. - generalized seizures of lennox-gastaut syndrome. monotherapy lamotrigine is indicated for conversion to monotherapy in adults (aged 16 years and older) with partial-onset seizures who are receiving treatment with carbamazepine, phenytoin, phenobarbital, primidone, or valproate as the single antiepileptic drug (aed). safety and effectiveness of lamotrigine have not been established (1) as initial monotherapy; (2) for conversion to monotherapy from aeds other than carbamazepine, phenytoin, phenobarbital, primidone, or valproate; or (3) for simultaneous conversion to monotherapy from 2 or more concomitant aeds. lamotrigine is indicated for the maintenance treatment of bipolar i disorder to delay the time to occurrence of mood episodes (depression, mania, hypomania, mixed episodes) in patients treated for acute mood episodes with standard therapy [see clinical studies ( 14.2)] .   limitations of use treatment of acute manic or mixed episodes is not recommended. effectiveness of lamotrigine in the acute treatment of mood episodes has not been established. lamotrigine is contraindicated in patients who have demonstrated hypersensitivity (e.g., rash, angioedema, acute urticaria, extensive pruritus, mucosal ulceration) to the drug or its ingredients [see boxed warning, warnings and precautions   ( 5.1), ( 5.3)]. pregnancy exposure registry there is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to aeds, including lamotrigine, during pregnancy. encourage women who are taking lamotrigine during pregnancy to enroll in the north american antiepileptic drug (naaed) pregnancy registry by calling 1-888-233-2334 or visiting http://www.aedpregnancyregistry.org/. risk summary data from several prospective pregnancy exposure registries and epidemiological studies of pregnant women have not detected an increased frequency of major congenital malformations or a consistent pattern of malformations among women exposed to lamotrigine compared with the general population (see data) . the majority of lamotrigine pregnancy exposure data are from women with epilepsy. in animal studies, administration of lamotrigine during pregnancy resulted in developmental toxicity (increased mortality, decreased body weight, increased structural variation, neurobehavioral abnormalities) at doses lower than those administered clinically. lamotrigine decreased fetal folate concentrations in rats, an effect known to be associated with adverse pregnancy outcomes in animals and humans (see data) . the estimated background risk of major birth defects and miscarriage for the indicated population is unknown. in the u.s. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. clinical considerations as with other aeds, physiological changes during pregnancy may affect lamotrigine concentrations and/or therapeutic effect. there have been reports of decreased lamotrigine concentrations during pregnancy and restoration of pre-pregnancy concentrations after delivery. dose adjustments may be necessary to maintain clinical response. data human data data from several international pregnancy registries have not shown an increased risk for malformations overall. the international lamotrigine pregnancy registry reported major congenital malformations in 2.2% (95% ci: 1.6%, 3.1%) of 1,558 infants exposed to lamotrigine monotherapy in the first trimester of pregnancy. the naaed pregnancy registry reported major congenital malformations among 2.0% of 1,562 infants exposed to lamotrigine monotherapy in the first trimester. eurap, a large international pregnancy registry focused outside of north america, reported major birth defects in 2.9% (95% ci: 2.3%, 3.7%) of 2,514 exposures to lamotrigine monotherapy in the first trimester. the frequency of major congenital malformations was similar to estimates from the general population. the naaed pregnancy registry observed an increased risk of isolated oral clefts: among 2,200 infants exposed to lamotrigine early in pregnancy, the risk of oral clefts was 3.2 per 1,000 (95% ci: 1.4, 6.3), a 3-fold increased risk versus unexposed healthy controls. this finding has not been observed in other large international pregnancy registries. furthermore, a case-control study based on 21 congenital anomaly registries covering over 10 million births in europe reported an adjusted odds ratio for isolated oral clefts with lamotrigine exposure of 1.45 (95% ci: 0.8, 2.63). several meta-analyses have not reported an increased risk of major congenital malformations following lamotrigine exposure in pregnancy compared with healthy and disease-matched controls. no patterns of specific malformation types were observed. the same meta-analyses evaluated the risk of additional maternal and infant outcomes including fetal death, stillbirth, preterm birth, small for gestational age, and neurodevelopmental delay. although there are no data suggesting an increased risk of these outcomes with lamotrigine monotherapy exposure, differences in outcome definition, ascertainment methods, and comparator groups limit the conclusions that can be drawn. animal data when lamotrigine was administered to pregnant mice, rats, or rabbits during the period of organogenesis (oral doses of up to 125, 25, and 30 mg/kg, respectively), reduced fetal body weight and increased incidences of fetal skeletal variations were seen in mice and rats at doses that were also maternally toxic. the no-effect doses for embryofetal developmental toxicity in mice, rats, and rabbits (75, 6.25, and 30 mg/kg, respectively) are similar to (mice and rabbits) or less than (rats) the human dose of 400 mg/day on a body surface area (mg/m 2 ) basis. in a study in which pregnant rats were administered lamotrigine (oral doses of 0, 5, or 25 mg/kg) during the period of organogenesis and offspring were evaluated postnatally, neurobehavioral abnormalities were observed in exposed offspring at both doses. the lowest effect dose for developmental neurotoxicity in rats is less than the human dose of 400 mg/day on a mg/m 2 basis. maternal toxicity was observed at the higher dose tested. when pregnant rats were administered lamotrigine (oral doses of 0, 5, 10, or 20 mg/kg) during the latter part of gestation and throughout lactation, increased offspring mortality (including stillbirths) was seen at all doses. the lowest effect dose for pre- and post-natal developmental toxicity in rats is less than the human dose of 400 mg/day on a mg/m 2 basis. maternal toxicity was observed at the 2 highest doses tested. when administered to pregnant rats, lamotrigine decreased fetal folate concentrations at doses greater than or equal to 5 mg/kg/day, which is less than the human dose of 400 mg/day on a mg/m 2 basis. risk summary lamotrigine is present in milk from lactating women taking lamotrigine tablets (see data). neonates and young infants are at risk for high serum levels because maternal serum and milk levels can rise to high levels postpartum if lamotrigine dosage has been increased during pregnancy but is not reduced after delivery to the pre-pregnancy dosage. glucuronidation is required for drug clearance. glucuronidation capacity is immature in the infant and this may also contribute to the level of lamotrigine exposure. events including rash, apnea, drowsiness, poor sucking, and poor weight gain (requiring hospitalization in some cases) have been reported in infants who have been human milk-fed by mothers using lamotrigine; whether or not these events were caused by lamotrigine is unknown. no data are available on the effects of the drug on milk production. the developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for lamotrigine and any potential adverse effects on the breastfed infant from lamotrigine or from the underlying maternal condition. clinical considerations human milk-fed infants should be closely monitored for adverse events resulting from lamotrigine. measurement of infant serum levels should be performed to rule out toxicity if concerns arise. human milk-feeding should be discontinued in infants with lamotrigine toxicity. data data from multiple small studies indicate that lamotrigine plasma levels in nursing infants have been reported to be as high as 50% of maternal plasma concentrations. epilepsy lamotrigine is indicated as adjunctive therapy in patients aged 2 years and older for partial-onset seizures and the generalized seizures of lennox-gastaut syndrome, and pgtc seizures. safety and efficacy of lamotrigine used as adjunctive treatment for partial-onset seizures were not demonstrated in a small, randomized, double-blind, placebo-controlled withdrawal trial in very young pediatric patients (aged 1 to 24 months). lamotrigine was associated with an increased risk for infectious adverse reactions (lamotrigine 37%, placebo 5%), and respiratory adverse reactions (lamotrigine 26%, placebo 5%). infectious adverse reactions included bronchiolitis, bronchitis, ear infection, eye infection, otitis externa, pharyngitis, urinary tract infection, and viral infection. respiratory adverse reactions included nasal congestion, cough, and apnea. bipolar disorder safety and efficacy of lamotrigine for the maintenance treatment of bipolar disorder were not established in a double-blind, randomized withdrawal, placebo-controlled trial that evaluated 301 pediatric patients aged 10 years to 17 years with a current manic/hypomanic, depressed, or mixed mood episode as defined by dsm-iv-tr. in the randomized phase of the trial, adverse reactions that occurred in at least 5% of patients taking lamotrigine (n = 87) and were twice as common compared with patients taking placebo (n = 86) were influenza (lamotrigine 8%, placebo 2%), oropharyngeal pain (lamotrigine 8%, placebo 2%), vomiting (lamotrigine 6%, placebo 2%), contact dermatitis (lamotrigine 5%, placebo 2%), upper abdominal pain (lamotrigine 5%, placebo 1%), and suicidal ideation (lamotrigine 5%, placebo 0%). juvenile animal data in a juvenile animal study in which lamotrigine (oral doses of 0, 5, 15, or 30 mg/kg) was administered to young rats from postnatal day 7 to 62, decreased viability and growth were seen at the highest dose tested and long-term neurobehavioral abnormalities (decreased locomotor activity, increased reactivity, and learning deficits in animals tested as adults) were observed at the 2 highest doses. the no-effect dose for adverse developmental effects in juvenile animals is less than the human dose of 400 mg/day on a mg/m 2 basis. clinical trials of lamotrigine for epilepsy and bipolar disorder did not include sufficient numbers of patients aged 65 years and older to determine whether they respond differently from younger patients or exhibit a different safety profile than that of younger patients. in general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function and of concomitant disease or other drug therapy. experience in patients with hepatic impairment is limited. based on a clinical pharmacology study in 24 subjects with mild, moderate, and severe liver impairment [see clinical pharmacology ( 12.3)], the following general recommendations can be made. no dosage adjustment is needed in patients with mild liver impairment. initial, escalation, and maintenance doses should generally be reduced by approximately 25% in patients with moderate and severe liver impairment without ascites and 50% in patients with severe liver impairment with ascites. escalation and maintenance doses may be adjusted according to clinical response [see dosage and administration ( 2.1)]. lamotrigine is metabolized mainly by glucuronic acid conjugation, with the majority of the metabolites being recovered in the urine. in a small study comparing a single dose of lamotrigine in subjects with varying degrees of renal impairment with healthy volunteers, the plasma half-life of lamotrigine was approximately twice as long in the subjects with chronic renal failure [see clinical pharmacology ( 12.3)]. initial doses of lamotrigine should be based on patients' aed regimens; reduced maintenance doses may be effective for patients with significant renal impairment. few patients with severe renal impairment have been evaluated during chronic treatment with lamotrigine. because there is inadequate experience in this population, lamotrigine should be used with caution in these patients [see dosage and administration ( 2.1)].

LAMOTRIGINE tablet Соединенные Штаты - английский - NLM (National Library of Medicine)

lamotrigine tablet

remedyrepack inc. - lamotrigine (unii: u3h27498ks) (lamotrigine - unii:u3h27498ks) - adjunctive therapy lamotrigine is indicated as adjunctive therapy for the following seizure types in patients aged 2 years and older: - partial-onset seizures. - primary generalized tonic-clonic seizures (pgtc) seizures. - generalized seizures of lennox-gastaut syndrome. monotherapy lamotrigine is indicated for conversion to monotherapy in adults (aged 16 years and older) with partial-onset seizures who are receiving treatment with carbamazepine, phenytoin, phenobarbital, primidone, or valproate as the single antiepileptic drug (aed). safety and effectiveness of lamotrigine have not been established (1) as initial monotherapy; (2) for conversion to monotherapy from aeds other than carbamazepine, phenytoin, phenobarbital, primidone, or valproate; or (3) for simultaneous conversion to monotherapy from 2 or more concomitant aeds. lamotrigine is indicated for the maintenance treatment of bipolar i disorder to delay the time to occurrence of mood episodes (depression, mania, hypomania, mixed episodes) in patients treated for acute mood episodes with standard therapy [see clinical studies ( 14.2)] .   limitations of use treatment of acute manic or mixed episodes is not recommended. effectiveness of lamotrigine in the acute treatment of mood episodes has not been established. lamotrigine is contraindicated in patients who have demonstrated hypersensitivity (e.g., rash, angioedema, acute urticaria, extensive pruritus, mucosal ulceration) to the drug or its ingredients [see boxed warning, warnings and precautions   ( 5.1), ( 5.3)]. pregnancy exposure registry there is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to aeds, including lamotrigine, during pregnancy. encourage women who are taking lamotrigine during pregnancy to enroll in the north american antiepileptic drug (naaed) pregnancy registry by calling 1-888-233-2334 or visiting http://www.aedpregnancyregistry.org/. risk summary data from several prospective pregnancy exposure registries and epidemiological studies of pregnant women have not detected an increased frequency of major congenital malformations or a consistent pattern of malformations among women exposed to lamotrigine compared with the general population (see data) . the majority of lamotrigine pregnancy exposure data are from women with epilepsy. in animal studies, administration of lamotrigine during pregnancy resulted in developmental toxicity (increased mortality, decreased body weight, increased structural variation, neurobehavioral abnormalities) at doses lower than those administered clinically. lamotrigine decreased fetal folate concentrations in rats, an effect known to be associated with adverse pregnancy outcomes in animals and humans (see data) . the estimated background risk of major birth defects and miscarriage for the indicated population is unknown. in the u.s. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. clinical considerations as with other aeds, physiological changes during pregnancy may affect lamotrigine concentrations and/or therapeutic effect. there have been reports of decreased lamotrigine concentrations during pregnancy and restoration of pre-pregnancy concentrations after delivery. dose adjustments may be necessary to maintain clinical response. data human data data from several international pregnancy registries have not shown an increased risk for malformations overall. the international lamotrigine pregnancy registry reported major congenital malformations in 2.2% (95% ci: 1.6%, 3.1%) of 1,558 infants exposed to lamotrigine monotherapy in the first trimester of pregnancy. the naaed pregnancy registry reported major congenital malformations among 2.0% of 1,562 infants exposed to lamotrigine monotherapy in the first trimester. eurap, a large international pregnancy registry focused outside of north america, reported major birth defects in 2.9% (95% ci: 2.3%, 3.7%) of 2,514 exposures to lamotrigine monotherapy in the first trimester. the frequency of major congenital malformations was similar to estimates from the general population. the naaed pregnancy registry observed an increased risk of isolated oral clefts: among 2,200 infants exposed to lamotrigine early in pregnancy, the risk of oral clefts was 3.2 per 1,000 (95% ci: 1.4, 6.3), a 3-fold increased risk versus unexposed healthy controls. this finding has not been observed in other large international pregnancy registries. furthermore, a case-control study based on 21 congenital anomaly registries covering over 10 million births in europe reported an adjusted odds ratio for isolated oral clefts with lamotrigine exposure of 1.45 (95% ci: 0.8, 2.63). several meta-analyses have not reported an increased risk of major congenital malformations following lamotrigine exposure in pregnancy compared with healthy and disease-matched controls. no patterns of specific malformation types were observed. the same meta-analyses evaluated the risk of additional maternal and infant outcomes including fetal death, stillbirth, preterm birth, small for gestational age, and neurodevelopmental delay. although there are no data suggesting an increased risk of these outcomes with lamotrigine monotherapy exposure, differences in outcome definition, ascertainment methods, and comparator groups limit the conclusions that can be drawn. animal data when lamotrigine was administered to pregnant mice, rats, or rabbits during the period of organogenesis (oral doses of up to 125, 25, and 30 mg/kg, respectively), reduced fetal body weight and increased incidences of fetal skeletal variations were seen in mice and rats at doses that were also maternally toxic. the no-effect doses for embryofetal developmental toxicity in mice, rats, and rabbits (75, 6.25, and 30 mg/kg, respectively) are similar to (mice and rabbits) or less than (rats) the human dose of 400 mg/day on a body surface area (mg/m 2 ) basis. in a study in which pregnant rats were administered lamotrigine (oral doses of 0, 5, or 25 mg/kg) during the period of organogenesis and offspring were evaluated postnatally, neurobehavioral abnormalities were observed in exposed offspring at both doses. the lowest effect dose for developmental neurotoxicity in rats is less than the human dose of 400 mg/day on a mg/m 2 basis. maternal toxicity was observed at the higher dose tested. when pregnant rats were administered lamotrigine (oral doses of 0, 5, 10, or 20 mg/kg) during the latter part of gestation and throughout lactation, increased offspring mortality (including stillbirths) was seen at all doses. the lowest effect dose for pre- and post-natal developmental toxicity in rats is less than the human dose of 400 mg/day on a mg/m 2 basis. maternal toxicity was observed at the 2 highest doses tested. when administered to pregnant rats, lamotrigine decreased fetal folate concentrations at doses greater than or equal to 5 mg/kg/day, which is less than the human dose of 400 mg/day on a mg/m 2 basis. risk summary lamotrigine is present in milk from lactating women taking lamotrigine tablets (see data). neonates and young infants are at risk for high serum levels because maternal serum and milk levels can rise to high levels postpartum if lamotrigine dosage has been increased during pregnancy but is not reduced after delivery to the pre-pregnancy dosage. glucuronidation is required for drug clearance. glucuronidation capacity is immature in the infant and this may also contribute to the level of lamotrigine exposure. events including rash, apnea, drowsiness, poor sucking, and poor weight gain (requiring hospitalization in some cases) have been reported in infants who have been human milk-fed by mothers using lamotrigine; whether or not these events were caused by lamotrigine is unknown. no data are available on the effects of the drug on milk production. the developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for lamotrigine and any potential adverse effects on the breastfed infant from lamotrigine or from the underlying maternal condition. clinical considerations human milk-fed infants should be closely monitored for adverse events resulting from lamotrigine. measurement of infant serum levels should be performed to rule out toxicity if concerns arise. human milk-feeding should be discontinued in infants with lamotrigine toxicity. data data from multiple small studies indicate that lamotrigine plasma levels in nursing infants have been reported to be as high as 50% of maternal plasma concentrations. epilepsy lamotrigine is indicated as adjunctive therapy in patients aged 2 years and older for partial-onset seizures and the generalized seizures of lennox-gastaut syndrome, and pgtc seizures. safety and efficacy of lamotrigine used as adjunctive treatment for partial-onset seizures were not demonstrated in a small, randomized, double-blind, placebo-controlled withdrawal trial in very young pediatric patients (aged 1 to 24 months). lamotrigine was associated with an increased risk for infectious adverse reactions (lamotrigine 37%, placebo 5%), and respiratory adverse reactions (lamotrigine 26%, placebo 5%). infectious adverse reactions included bronchiolitis, bronchitis, ear infection, eye infection, otitis externa, pharyngitis, urinary tract infection, and viral infection. respiratory adverse reactions included nasal congestion, cough, and apnea. bipolar disorder safety and efficacy of lamotrigine for the maintenance treatment of bipolar disorder were not established in a double-blind, randomized withdrawal, placebo-controlled trial that evaluated 301 pediatric patients aged 10 years to 17 years with a current manic/hypomanic, depressed, or mixed mood episode as defined by dsm-iv-tr. in the randomized phase of the trial, adverse reactions that occurred in at least 5% of patients taking lamotrigine (n = 87) and were twice as common compared with patients taking placebo (n = 86) were influenza (lamotrigine 8%, placebo 2%), oropharyngeal pain (lamotrigine 8%, placebo 2%), vomiting (lamotrigine 6%, placebo 2%), contact dermatitis (lamotrigine 5%, placebo 2%), upper abdominal pain (lamotrigine 5%, placebo 1%), and suicidal ideation (lamotrigine 5%, placebo 0%). juvenile animal data in a juvenile animal study in which lamotrigine (oral doses of 0, 5, 15, or 30 mg/kg) was administered to young rats from postnatal day 7 to 62, decreased viability and growth were seen at the highest dose tested and long-term neurobehavioral abnormalities (decreased locomotor activity, increased reactivity, and learning deficits in animals tested as adults) were observed at the 2 highest doses. the no-effect dose for adverse developmental effects in juvenile animals is less than the human dose of 400 mg/day on a mg/m 2 basis. clinical trials of lamotrigine for epilepsy and bipolar disorder did not include sufficient numbers of patients aged 65 years and older to determine whether they respond differently from younger patients or exhibit a different safety profile than that of younger patients. in general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function and of concomitant disease or other drug therapy. experience in patients with hepatic impairment is limited. based on a clinical pharmacology study in 24 subjects with mild, moderate, and severe liver impairment [see clinical pharmacology ( 12.3)], the following general recommendations can be made. no dosage adjustment is needed in patients with mild liver impairment. initial, escalation, and maintenance doses should generally be reduced by approximately 25% in patients with moderate and severe liver impairment without ascites and 50% in patients with severe liver impairment with ascites. escalation and maintenance doses may be adjusted according to clinical response [see dosage and administration ( 2.1)]. lamotrigine is metabolized mainly by glucuronic acid conjugation, with the majority of the metabolites being recovered in the urine. in a small study comparing a single dose of lamotrigine in subjects with varying degrees of renal impairment with healthy volunteers, the plasma half-life of lamotrigine was approximately twice as long in the subjects with chronic renal failure [see clinical pharmacology ( 12.3)]. initial doses of lamotrigine should be based on patients' aed regimens; reduced maintenance doses may be effective for patients with significant renal impairment. few patients with severe renal impairment have been evaluated during chronic treatment with lamotrigine. because there is inadequate experience in this population, lamotrigine should be used with caution in these patients [see dosage and administration ( 2.1)].

LAMOTRIGINE tablet Соединенные Штаты - английский - NLM (National Library of Medicine)

lamotrigine tablet

remedyrepack inc. - lamotrigine (unii: u3h27498ks) (lamotrigine - unii:u3h27498ks) - adjunctive therapy lamotrigine is indicated as adjunctive therapy for the following seizure types in patients aged 2 years and older: - partial-onset seizures. - primary generalized tonic-clonic seizures (pgtc) seizures. - generalized seizures of lennox-gastaut syndrome. monotherapy lamotrigine is indicated for conversion to monotherapy in adults (aged 16 years and older) with partial-onset seizures who are receiving treatment with carbamazepine, phenytoin, phenobarbital, primidone, or valproate as the single antiepileptic drug (aed). safety and effectiveness of lamotrigine have not been established (1) as initial monotherapy; (2) for conversion to monotherapy from aeds other than carbamazepine, phenytoin, phenobarbital, primidone, or valproate; or (3) for simultaneous conversion to monotherapy from 2 or more concomitant aeds. lamotrigine is indicated for the maintenance treatment of bipolar i disorder to delay the time to occurrence of mood episodes (depression, mania, hypomania, mixed episodes) in patients treated for acute mood episodes with standard therapy [see clinical studies ( 14.2)] .   limitations of use treatment of acute manic or mixed episodes is not recommended. effectiveness of lamotrigine in the acute treatment of mood episodes has not been established. lamotrigine is contraindicated in patients who have demonstrated hypersensitivity (e.g., rash, angioedema, acute urticaria, extensive pruritus, mucosal ulceration) to the drug or its ingredients [see boxed warning, warnings and precautions   ( 5.1), ( 5.3)]. pregnancy exposure registry there is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to aeds, including lamotrigine, during pregnancy. encourage women who are taking lamotrigine during pregnancy to enroll in the north american antiepileptic drug (naaed) pregnancy registry by calling 1-888-233-2334 or visiting http://www.aedpregnancyregistry.org/. risk summary data from several prospective pregnancy exposure registries and epidemiological studies of pregnant women have not detected an increased frequency of major congenital malformations or a consistent pattern of malformations among women exposed to lamotrigine compared with the general population (see data) . the majority of lamotrigine pregnancy exposure data are from women with epilepsy. in animal studies, administration of lamotrigine during pregnancy resulted in developmental toxicity (increased mortality, decreased body weight, increased structural variation, neurobehavioral abnormalities) at doses lower than those administered clinically. lamotrigine decreased fetal folate concentrations in rats, an effect known to be associated with adverse pregnancy outcomes in animals and humans (see data) . the estimated background risk of major birth defects and miscarriage for the indicated population is unknown. in the u.s. general population, the estimated background risk of major birth defects and miscarriage in clinically recognized pregnancies is 2% to 4% and 15% to 20%, respectively. clinical considerations as with other aeds, physiological changes during pregnancy may affect lamotrigine concentrations and/or therapeutic effect. there have been reports of decreased lamotrigine concentrations during pregnancy and restoration of pre-pregnancy concentrations after delivery. dose adjustments may be necessary to maintain clinical response. data human data data from several international pregnancy registries have not shown an increased risk for malformations overall. the international lamotrigine pregnancy registry reported major congenital malformations in 2.2% (95% ci: 1.6%, 3.1%) of 1,558 infants exposed to lamotrigine monotherapy in the first trimester of pregnancy. the naaed pregnancy registry reported major congenital malformations among 2.0% of 1,562 infants exposed to lamotrigine monotherapy in the first trimester. eurap, a large international pregnancy registry focused outside of north america, reported major birth defects in 2.9% (95% ci: 2.3%, 3.7%) of 2,514 exposures to lamotrigine monotherapy in the first trimester. the frequency of major congenital malformations was similar to estimates from the general population. the naaed pregnancy registry observed an increased risk of isolated oral clefts: among 2,200 infants exposed to lamotrigine early in pregnancy, the risk of oral clefts was 3.2 per 1,000 (95% ci: 1.4, 6.3), a 3-fold increased risk versus unexposed healthy controls. this finding has not been observed in other large international pregnancy registries. furthermore, a case-control study based on 21 congenital anomaly registries covering over 10 million births in europe reported an adjusted odds ratio for isolated oral clefts with lamotrigine exposure of 1.45 (95% ci: 0.8, 2.63). several meta-analyses have not reported an increased risk of major congenital malformations following lamotrigine exposure in pregnancy compared with healthy and disease-matched controls. no patterns of specific malformation types were observed. the same meta-analyses evaluated the risk of additional maternal and infant outcomes including fetal death, stillbirth, preterm birth, small for gestational age, and neurodevelopmental delay. although there are no data suggesting an increased risk of these outcomes with lamotrigine monotherapy exposure, differences in outcome definition, ascertainment methods, and comparator groups limit the conclusions that can be drawn. animal data when lamotrigine was administered to pregnant mice, rats, or rabbits during the period of organogenesis (oral doses of up to 125, 25, and 30 mg/kg, respectively), reduced fetal body weight and increased incidences of fetal skeletal variations were seen in mice and rats at doses that were also maternally toxic. the no-effect doses for embryofetal developmental toxicity in mice, rats, and rabbits (75, 6.25, and 30 mg/kg, respectively) are similar to (mice and rabbits) or less than (rats) the human dose of 400 mg/day on a body surface area (mg/m 2 ) basis. in a study in which pregnant rats were administered lamotrigine (oral doses of 0, 5, or 25 mg/kg) during the period of organogenesis and offspring were evaluated postnatally, neurobehavioral abnormalities were observed in exposed offspring at both doses. the lowest effect dose for developmental neurotoxicity in rats is less than the human dose of 400 mg/day on a mg/m 2 basis. maternal toxicity was observed at the higher dose tested. when pregnant rats were administered lamotrigine (oral doses of 0, 5, 10, or 20 mg/kg) during the latter part of gestation and throughout lactation, increased offspring mortality (including stillbirths) was seen at all doses. the lowest effect dose for pre- and post-natal developmental toxicity in rats is less than the human dose of 400 mg/day on a mg/m 2 basis. maternal toxicity was observed at the 2 highest doses tested. when administered to pregnant rats, lamotrigine decreased fetal folate concentrations at doses greater than or equal to 5 mg/kg/day, which is less than the human dose of 400 mg/day on a mg/m 2 basis. risk summary lamotrigine is present in milk from lactating women taking lamotrigine tablets (see data). neonates and young infants are at risk for high serum levels because maternal serum and milk levels can rise to high levels postpartum if lamotrigine dosage has been increased during pregnancy but is not reduced after delivery to the pre-pregnancy dosage. glucuronidation is required for drug clearance. glucuronidation capacity is immature in the infant and this may also contribute to the level of lamotrigine exposure. events including rash, apnea, drowsiness, poor sucking, and poor weight gain (requiring hospitalization in some cases) have been reported in infants who have been human milk-fed by mothers using lamotrigine; whether or not these events were caused by lamotrigine is unknown. no data are available on the effects of the drug on milk production. the developmental and health benefits of breastfeeding should be considered along with the mother's clinical need for lamotrigine and any potential adverse effects on the breastfed infant from lamotrigine or from the underlying maternal condition. clinical considerations human milk-fed infants should be closely monitored for adverse events resulting from lamotrigine. measurement of infant serum levels should be performed to rule out toxicity if concerns arise. human milk-feeding should be discontinued in infants with lamotrigine toxicity. data data from multiple small studies indicate that lamotrigine plasma levels in nursing infants have been reported to be as high as 50% of maternal plasma concentrations. epilepsy lamotrigine is indicated as adjunctive therapy in patients aged 2 years and older for partial-onset seizures and the generalized seizures of lennox-gastaut syndrome, and pgtc seizures. safety and efficacy of lamotrigine used as adjunctive treatment for partial-onset seizures were not demonstrated in a small, randomized, double-blind, placebo-controlled withdrawal trial in very young pediatric patients (aged 1 to 24 months). lamotrigine was associated with an increased risk for infectious adverse reactions (lamotrigine 37%, placebo 5%), and respiratory adverse reactions (lamotrigine 26%, placebo 5%). infectious adverse reactions included bronchiolitis, bronchitis, ear infection, eye infection, otitis externa, pharyngitis, urinary tract infection, and viral infection. respiratory adverse reactions included nasal congestion, cough, and apnea. bipolar disorder safety and efficacy of lamotrigine for the maintenance treatment of bipolar disorder were not established in a double-blind, randomized withdrawal, placebo-controlled trial that evaluated 301 pediatric patients aged 10 years to 17 years with a current manic/hypomanic, depressed, or mixed mood episode as defined by dsm-iv-tr. in the randomized phase of the trial, adverse reactions that occurred in at least 5% of patients taking lamotrigine (n = 87) and were twice as common compared with patients taking placebo (n = 86) were influenza (lamotrigine 8%, placebo 2%), oropharyngeal pain (lamotrigine 8%, placebo 2%), vomiting (lamotrigine 6%, placebo 2%), contact dermatitis (lamotrigine 5%, placebo 2%), upper abdominal pain (lamotrigine 5%, placebo 1%), and suicidal ideation (lamotrigine 5%, placebo 0%). juvenile animal data in a juvenile animal study in which lamotrigine (oral doses of 0, 5, 15, or 30 mg/kg) was administered to young rats from postnatal day 7 to 62, decreased viability and growth were seen at the highest dose tested and long-term neurobehavioral abnormalities (decreased locomotor activity, increased reactivity, and learning deficits in animals tested as adults) were observed at the 2 highest doses. the no-effect dose for adverse developmental effects in juvenile animals is less than the human dose of 400 mg/day on a mg/m 2 basis. clinical trials of lamotrigine for epilepsy and bipolar disorder did not include sufficient numbers of patients aged 65 years and older to determine whether they respond differently from younger patients or exhibit a different safety profile than that of younger patients. in general, dose selection for an elderly patient should be cautious, usually starting at the low end of the dosing range, reflecting the greater frequency of decreased hepatic, renal, or cardiac function and of concomitant disease or other drug therapy. experience in patients with hepatic impairment is limited. based on a clinical pharmacology study in 24 subjects with mild, moderate, and severe liver impairment [see clinical pharmacology ( 12.3)], the following general recommendations can be made. no dosage adjustment is needed in patients with mild liver impairment. initial, escalation, and maintenance doses should generally be reduced by approximately 25% in patients with moderate and severe liver impairment without ascites and 50% in patients with severe liver impairment with ascites. escalation and maintenance doses may be adjusted according to clinical response [see dosage and administration ( 2.1)]. lamotrigine is metabolized mainly by glucuronic acid conjugation, with the majority of the metabolites being recovered in the urine. in a small study comparing a single dose of lamotrigine in subjects with varying degrees of renal impairment with healthy volunteers, the plasma half-life of lamotrigine was approximately twice as long in the subjects with chronic renal failure [see clinical pharmacology ( 12.3)]. initial doses of lamotrigine should be based on patients' aed regimens; reduced maintenance doses may be effective for patients with significant renal impairment. few patients with severe renal impairment have been evaluated during chronic treatment with lamotrigine. because there is inadequate experience in this population, lamotrigine should be used with caution in these patients [see dosage and administration ( 2.1)].