USA - engelsk - NLM (National Library of Medicine)

remedyrepack inc. - naproxen (unii: 57y76r9atq) (naproxen - unii:57y76r9atq) - naproxen 375 mg - naproxen tablets and naproxen sodium tablets are indicated for: the relief of the signs and symptoms of: - rheumatoid arthritis - osteoarthritis - ankylosing spondylitis - polyarticular juvenile idiopathic arthritis naproxen tablets and naproxen sodium tablets are also indicated for: the relief of signs and symptoms of: - tendonitis - bursitis - acute gout the management of: - pain - primary dysmenorrhea naproxen tablets and naproxen sodium tablets are contraindicated in the following patients: - known hypersensitivity (e.g., anaphylactic reactions and serious skin reactions) to naproxen 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 naproxen tablets and naproxen sodium tablets, 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 naproxen tablets or naproxen sodium tablets use between about 20 and 30 weeks of gestation, and avoid naproxen tablets and naproxen sodium tablets 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 naproxen tablets and naproxen sodium tablets, 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 in rats, rabbits, and mice no evidence of teratogenicity or fetal harm when naproxen was administered during the period of organogenesis at doses 0.13, 0.26, and 0.6 times the maximum recommended human daily dose of 1500 mg/day, 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 naproxen, 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 naproxen tablets and naproxen sodium tablets, 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 naproxen tablets or naproxen sodium tablets treatment extends beyond 48 hours, consider monitoring with ultrasound for oligohydramnios. if oligohydramnios occurs, discontinue naproxen tablets and naproxen sodium tablets, and follow up according to clinical practice (see data ). labor or delivery there are no studies on the effects of naproxen tablets or naproxen sodium tablets during labor or delivery. in animal studies, nsaids, including naproxen, inhibit prostaglandin synthesis, cause delayed parturition, and increase the incidence of stillbirth. data human data there is some evidence to suggest that when inhibitors of prostaglandin synthesis are used to delay preterm labor, there is an increased risk of neonatal complications such as necrotizing enterocolitis, patent ductus arteriosus, and intracranial hemorrhage. naproxen treatment given in late pregnancy to delay parturition has been associated with persistent pulmonary hypertension, renal dysfunction, and abnormal prostaglandin e levels in preterm infants. because of the known effects of nonsteroidal anti-inflammatory drugs on the fetal cardiovascular system (closure of ductus arteriosus), use during pregnancy (particularly starting at 30-weeks of gestation, or third trimester) should be avoided. 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 reproduction studies have been performed in rats at 20 mg/kg/day (0.13 times the maximum recommended human daily dose of 1500 mg/day based on body surface area comparison), rabbits at 20 mg/kg/day (0.26 times the maximum recommended human daily dose, based on body surface area comparison), and mice at 170 mg/kg/day (0.6 times the maximum recommended human daily dose based on body surface area comparison) with no evidence of impaired fertility or harm to the fetus due to the drug. risk summary the naproxen anion has been found in the milk of lactating women at a concentration equivalent to approximately 1% of maximum naproxen concentration in plasma. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for naproxen tablets or naproxen sodium tablets and any potential adverse effects on the breastfed infant from the naproxen tablets or naproxen sodium tablets or from the underlying maternal condition. infertility females based on the mechanism of action, the use of prostaglandin-mediated nsaids, including naproxen tablets and naproxen sodium tablets, 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 naproxen tablets and naproxen sodium tablets, in women who have difficulties conceiving or who are undergoing investigation of infertility. safety and effectiveness in pediatric patients below the age of 2 years have not been established. pediatric dosing recommendations for polyarticular juvenile idiopathic arthritis are based on well-controlled studies [ see dosage and administration ( 2) ]. there are no adequate effectiveness or dose-response data for other pediatric conditions, but the experience in polyarticular juvenile idiopathic arthritis and other use experience have established that single doses of 2.5 to 5 mg/kg as naproxen suspension, with total daily dose not exceeding 15 mg/kg/day, are well tolerated in pediatric patients over 2 years of age. the hepatic and renal tolerability of long-term naproxen administration was studied in two double-blind clinical trials involving 586 patients. of the patients studied, 98 patients were age 65 and older and 10 of the 98 patients were age 75 and older. naproxen was administered at doses of 375 mg twice daily or 750 mg twice daily for up to 6 months. transient abnormalities of laboratory tests assessing hepatic and renal function were noted in some patients, although there were no differences noted in the occurrence of abnormal values among different age groups. 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) ]. studies indicate that although total plasma concentration of naproxen is unchanged, the unbound plasma fraction of naproxen is increased in the elderly. the clinical significance of this finding is unclear, although it is possible that the increase in free naproxen concentration could be associated with an increase in the rate of adverse events per a given dosage in some elderly patients. caution is advised when high doses are required and some adjustment of dosage may be required in elderly patients. as with other drugs used in the elderly, it is prudent to use the lowest effective dose. experience indicates that geriatric patients may be particularly sensitive to certain adverse effects of nonsteroidal anti- inflammatory drugs. elderly or debilitated patients seem to tolerate peptic ulceration or bleeding less well when these events do occur. most spontaneous reports of fatal gi events are in the geriatric population [ see warnings and precautions ( 5.2) ]. naproxen 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 it may be useful to monitor renal function [ see clinical pharmacology ( error! hyperlink reference not valid. ) ]. geriatric patients may be at a greater risk for the development of a form of renal toxicity precipitated by reduced prostaglandin formation during administration of nonsteroidal anti-inflammatory drugs [ see warnings and precautions ( 5.6) ]. caution is advised when high doses are required and some adjustment of dosage may be required in these patients. it is prudent to use the lowest effective dose [ see clinical pharmacology ( error! hyperlink reference not valid. ) ]. naproxen-containing products are not recommended for use in patients with moderate to severe and severe renal impairment (creatinine clearance <30 ml/min) [ see warnings and precautions ( 5.6), clinical pharmacology ( error! hyperlink reference not valid. ) ].

USA - engelsk - NLM (National Library of Medicine)

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 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) are 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 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, nondose-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 6000 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 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.

USA - engelsk - NLM (National Library of Medicine)

remedyrepack inc. - naproxen (unii: 57y76r9atq) (naproxen - unii:57y76r9atq) - naproxen tablets and naproxen sodium tablets are indicated for: the relief of the signs and symptoms of: - rheumatoid arthritis - osteoarthritis - ankylosing spondylitis - polyarticular juvenile idiopathic arthritis naproxen tablets and naproxen sodium tablets are also indicated for: the relief of signs and symptoms of: - tendonitis - bursitis - acute gout the management of: - pain - primary dysmenorrhea naproxen tablets and naproxen sodium tablets are contraindicated in the following patients: - known hypersensitivity (e.g., anaphylactic reactions and serious skin reactions) to naproxen 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 naproxen tablets and naproxen sodium tablets, 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 naproxen tablets or naproxen sodium tablets use between about 20 and 30 weeks of gestation, and avoid naproxen tablets and naproxen sodium tablets 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 naproxen tablets and naproxen sodium tablets, 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 in rats, rabbits, and mice no evidence of teratogenicity or fetal harm when naproxen was administered during the period of organogenesis at doses 0.13, 0.26, and 0.6 times the maximum recommended human daily dose of 1500 mg/day, 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 naproxen, 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 naproxen tablets and naproxen sodium tablets, 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 naproxen tablets or naproxen sodium tablets treatment extends beyond 48 hours, consider monitoring with ultrasound for oligohydramnios. if oligohydramnios occurs, discontinue naproxen tablets and naproxen sodium tablets, and follow up according to clinical practice (see data ). labor or delivery there are no studies on the effects of naproxen tablets or naproxen sodium tablets during labor or delivery. in animal studies, nsaids, including naproxen, inhibit prostaglandin synthesis, cause delayed parturition, and increase the incidence of stillbirth. data human data there is some evidence to suggest that when inhibitors of prostaglandin synthesis are used to delay preterm labor, there is an increased risk of neonatal complications such as necrotizing enterocolitis, patent ductus arteriosus, and intracranial hemorrhage. naproxen treatment given in late pregnancy to delay parturition has been associated with persistent pulmonary hypertension, renal dysfunction, and abnormal prostaglandin e levels in preterm infants. because of the known effects of nonsteroidal anti-inflammatory drugs on the fetal cardiovascular system (closure of ductus arteriosus), use during pregnancy (particularly starting at 30-weeks of gestation, or third trimester) should be avoided. 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 reproduction studies have been performed in rats at 20 mg/kg/day (0.13 times the maximum recommended human daily dose of 1500 mg/day based on body surface area comparison), rabbits at 20 mg/kg/day (0.26 times the maximum recommended human daily dose, based on body surface area comparison), and mice at 170 mg/kg/day (0.6 times the maximum recommended human daily dose based on body surface area comparison) with no evidence of impaired fertility or harm to the fetus due to the drug. risk summary the naproxen anion has been found in the milk of lactating women at a concentration equivalent to approximately 1% of maximum naproxen concentration in plasma. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for naproxen tablets or naproxen sodium tablets and any potential adverse effects on the breastfed infant from the naproxen tablets or naproxen sodium tablets or from the underlying maternal condition. infertility females based on the mechanism of action, the use of prostaglandin-mediated nsaids, including naproxen tablets and naproxen sodium tablets, 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 naproxen tablets and naproxen sodium tablets, in women who have difficulties conceiving or who are undergoing investigation of infertility. safety and effectiveness in pediatric patients below the age of 2 years have not been established. pediatric dosing recommendations for polyarticular juvenile idiopathic arthritis are based on well-controlled studies [ see dosage and administration ( 2) ]. there are no adequate effectiveness or dose-response data for other pediatric conditions, but the experience in polyarticular juvenile idiopathic arthritis and other use experience have established that single doses of 2.5 to 5 mg/kg as naproxen suspension, with total daily dose not exceeding 15 mg/kg/day, are well tolerated in pediatric patients over 2 years of age. the hepatic and renal tolerability of long-term naproxen administration was studied in two double-blind clinical trials involving 586 patients. of the patients studied, 98 patients were age 65 and older and 10 of the 98 patients were age 75 and older. naproxen was administered at doses of 375 mg twice daily or 750 mg twice daily for up to 6 months. transient abnormalities of laboratory tests assessing hepatic and renal function were noted in some patients, although there were no differences noted in the occurrence of abnormal values among different age groups. 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) ]. studies indicate that although total plasma concentration of naproxen is unchanged, the unbound plasma fraction of naproxen is increased in the elderly. the clinical significance of this finding is unclear, although it is possible that the increase in free naproxen concentration could be associated with an increase in the rate of adverse events per a given dosage in some elderly patients. caution is advised when high doses are required and some adjustment of dosage may be required in elderly patients. as with other drugs used in the elderly, it is prudent to use the lowest effective dose. experience indicates that geriatric patients may be particularly sensitive to certain adverse effects of nonsteroidal anti- inflammatory drugs. elderly or debilitated patients seem to tolerate peptic ulceration or bleeding less well when these events do occur. most spontaneous reports of fatal gi events are in the geriatric population [ see warnings and precautions ( 5.2) ]. naproxen 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 it may be useful to monitor renal function [ see clinical pharmacology ( 12.3) ]. geriatric patients may be at a greater risk for the development of a form of renal toxicity precipitated by reduced prostaglandin formation during administration of nonsteroidal anti-inflammatory drugs [ see warnings and precautions ( 5.6) ]. caution is advised when high doses are required and some adjustment of dosage may be required in these patients. it is prudent to use the lowest effective dose [ see clinical pharmacology ( 12.3) ]. naproxen-containing products are not recommended for use in patients with moderate to severe and severe renal impairment (creatinine clearance <30 ml/min) [ see warnings and precautions ( 5.6), clinical pharmacology ( 12.3) ].

USA - engelsk - NLM (National Library of Medicine)

remedyrepack inc. - bupropion hydrochloride (unii: zg7e5poy8o) (bupropion - unii:01zg3tpx31) - bupropion hydrochloride tablets are indicated for the treatment of major depressive disorder (mdd), as defined by the diagnostic and statistical manual (dsm). the efficacy of bupropion hydrochloride tablets 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)]. - bupropion hydrochloride tablets are contraindicated in patients with a seizure disorder.• bupropion hydrochloride tablets 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 tablets [ see warnings and precautions ( 5.3) ]. - bupropion hydrochloride tablets 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 tablets or within 14 days of discontinuing treatment with bupropion hydrochloride tablets are contraindicated. there is an increased risk of hypertensive reactions when bupropion hydrochloride tablets are used concomitantly with maois. the use of bupropion hydrochloride tablets within 14 days of discontinuing treatment with an maoi is also contraindicated. starting bupropion hydrochloride tablets 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 tablets are contraindicated in patients with known hypersensitivity to bupropion or other ingredients of bupropion hydrochloride tablets. 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 1-844-405-6185 or visiting online at https://womensmentalhealth.org/research/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 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 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 pregnant 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 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 tablets and any potential adverse effects on the breastfed child from bupropion hydrochloride tablets 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 tablets in patients with renal impairment (gfr less than 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 ( 2.3), clinical pharmacology ( 12.3)] . in patients with moderate to severe hepatic impairment (child-pugh score: 7 to 15), the maximum dose of bupropion hydrochloride tablets is 75 mg daily. 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 tablets 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.

USA - engelsk - NLM (National Library of Medicine)

remedyrepack inc. - naproxen (unii: 57y76r9atq) (naproxen - unii:57y76r9atq) - naproxen tablets and naproxen sodium tablets are indicated for: the relief of the signs and symptoms of: - rheumatoid arthritis - osteoarthritis - ankylosing spondylitis - polyarticular juvenile idiopathic arthritis naproxen tablets and naproxen sodium tablets are also indicated for: the relief of signs and symptoms of: - tendonitis - bursitis - acute gout the management of: - pain - primary dysmenorrhea naproxen tablets and naproxen sodium tablets are contraindicated in the following patients: - known hypersensitivity (e.g., anaphylactic reactions and serious skin reactions) to naproxen 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 naproxen tablets and naproxen sodium tablets, 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 naproxen tablets or naproxen sodium tablets use between about 20 and 30 weeks of gestation, and avoid naproxen tablets and naproxen sodium tablets 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 naproxen tablets and naproxen sodium tablets, 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 in rats, rabbits, and mice no evidence of teratogenicity or fetal harm when naproxen was administered during the period of organogenesis at doses 0.13, 0.26, and 0.6 times the maximum recommended human daily dose of 1500 mg/day, 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 naproxen, 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 naproxen tablets and naproxen sodium tablets, 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 naproxen tablets or naproxen sodium tablets treatment extends beyond 48 hours, consider monitoring with ultrasound for oligohydramnios. if oligohydramnios occurs, discontinue naproxen tablets and naproxen sodium tablets, and follow up according to clinical practice (see data ). labor or delivery there are no studies on the effects of naproxen tablets or naproxen sodium tablets during labor or delivery. in animal studies, nsaids, including naproxen, inhibit prostaglandin synthesis, cause delayed parturition, and increase the incidence of stillbirth. data human data there is some evidence to suggest that when inhibitors of prostaglandin synthesis are used to delay preterm labor, there is an increased risk of neonatal complications such as necrotizing enterocolitis, patent ductus arteriosus, and intracranial hemorrhage. naproxen treatment given in late pregnancy to delay parturition has been associated with persistent pulmonary hypertension, renal dysfunction, and abnormal prostaglandin e levels in preterm infants. because of the known effects of nonsteroidal anti-inflammatory drugs on the fetal cardiovascular system (closure of ductus arteriosus), use during pregnancy (particularly starting at 30-weeks of gestation, or third trimester) should be avoided. 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 reproduction studies have been performed in rats at 20 mg/kg/day (0.13 times the maximum recommended human daily dose of 1500 mg/day based on body surface area comparison), rabbits at 20 mg/kg/day (0.26 times the maximum recommended human daily dose, based on body surface area comparison), and mice at 170 mg/kg/day (0.6 times the maximum recommended human daily dose based on body surface area comparison) with no evidence of impaired fertility or harm to the fetus due to the drug. risk summary the naproxen anion has been found in the milk of lactating women at a concentration equivalent to approximately 1% of maximum naproxen concentration in plasma. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for naproxen tablets or naproxen sodium tablets and any potential adverse effects on the breastfed infant from the naproxen tablets or naproxen sodium tablets or from the underlying maternal condition. infertility females based on the mechanism of action, the use of prostaglandin-mediated nsaids, including naproxen tablets and naproxen sodium tablets, 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 naproxen tablets and naproxen sodium tablets, in women who have difficulties conceiving or who are undergoing investigation of infertility. safety and effectiveness in pediatric patients below the age of 2 years have not been established. pediatric dosing recommendations for polyarticular juvenile idiopathic arthritis are based on well-controlled studies [ see dosage and administration ( 2) ]. there are no adequate effectiveness or dose-response data for other pediatric conditions, but the experience in polyarticular juvenile idiopathic arthritis and other use experience have established that single doses of 2.5 to 5 mg/kg as naproxen suspension, with total daily dose not exceeding 15 mg/kg/day, are well tolerated in pediatric patients over 2 years of age. the hepatic and renal tolerability of long-term naproxen administration was studied in two double-blind clinical trials involving 586 patients. of the patients studied, 98 patients were age 65 and older and 10 of the 98 patients were age 75 and older. naproxen was administered at doses of 375 mg twice daily or 750 mg twice daily for up to 6 months. transient abnormalities of laboratory tests assessing hepatic and renal function were noted in some patients, although there were no differences noted in the occurrence of abnormal values among different age groups. 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) ]. studies indicate that although total plasma concentration of naproxen is unchanged, the unbound plasma fraction of naproxen is increased in the elderly. the clinical significance of this finding is unclear, although it is possible that the increase in free naproxen concentration could be associated with an increase in the rate of adverse events per a given dosage in some elderly patients. caution is advised when high doses are required and some adjustment of dosage may be required in elderly patients. as with other drugs used in the elderly, it is prudent to use the lowest effective dose. experience indicates that geriatric patients may be particularly sensitive to certain adverse effects of nonsteroidal anti- inflammatory drugs. elderly or debilitated patients seem to tolerate peptic ulceration or bleeding less well when these events do occur. most spontaneous reports of fatal gi events are in the geriatric population [ see warnings and precautions ( 5.2) ]. naproxen 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 it may be useful to monitor renal function [ see clinical pharmacology ( error! hyperlink reference not valid. ) ]. geriatric patients may be at a greater risk for the development of a form of renal toxicity precipitated by reduced prostaglandin formation during administration of nonsteroidal anti-inflammatory drugs [ see warnings and precautions ( 5.6) ]. caution is advised when high doses are required and some adjustment of dosage may be required in these patients. it is prudent to use the lowest effective dose [ see clinical pharmacology ( error! hyperlink reference not valid. ) ]. naproxen-containing products are not recommended for use in patients with moderate to severe and severe renal impairment (creatinine clearance <30 ml/min) [ see warnings and precautions ( 5.6), clinical pharmacology ( error! hyperlink reference not valid. ) ].

USA - engelsk - NLM (National Library of Medicine)

remedyrepack inc. - bupropion hydrochloride (unii: zg7e5poy8o) (bupropion - unii:01zg3tpx31) - bupropion hydrochloride tablets are indicated for the treatment of major depressive disorder (mdd), as defined by the diagnostic and statistical manual (dsm). the efficacy of bupropion hydrochloride tablets 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)]. - bupropion hydrochloride tablets are contraindicated in patients with a seizure disorder.• bupropion hydrochloride tablets 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 tablets [ see warnings and precautions ( 5.3) ]. - bupropion hydrochloride tablets 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 tablets or within 14 days of discontinuing treatment with bupropion hydrochloride tablets are contraindicated. there is an increased risk of hypertensive reactions when bupropion hydrochloride tablets are used concomitantly with maois. the use of bupropion hydrochloride tablets within 14 days of discontinuing treatment with an maoi is also contraindicated. starting bupropion hydrochloride tablets 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 tablets are contraindicated in patients with known hypersensitivity to bupropion or other ingredients of bupropion hydrochloride tablets. 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 1-844-405-6185 or visiting online at https://womensmentalhealth.org/research/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 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 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 pregnant 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 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 tablets and any potential adverse effects on the breastfed child from bupropion hydrochloride tablets 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 tablets in patients with renal impairment (gfr less than 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 ( 2.3), clinical pharmacology ( 12.3)] . in patients with moderate to severe hepatic impairment (child-pugh score: 7 to 15), the maximum dose of bupropion hydrochloride tablets is 75 mg daily. 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 tablets 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.

USA - engelsk - NLM (National Library of Medicine)

remedyrepack inc. - gabapentin (unii: 6cw7f3g59x) (gabapentin - unii:6cw7f3g59x) - gabapentin tablets are 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 tablets are contraindicated in patients who have demonstrated hypersensitivity to the drug or its ingredients. 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, 1000, 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 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, 300, 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 compared 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.

USA - engelsk - NLM (National Library of Medicine)

remedyrepack inc. - gabapentin (unii: 6cw7f3g59x) (gabapentin - unii:6cw7f3g59x) - gabapentin tablets are 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 tablets are contraindicated in patients who have demonstrated hypersensitivity to the drug or its ingredients. 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, 1000, 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 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, 300, 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 compared 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.

USA - engelsk - NLM (National Library of Medicine)

remedyrepack inc. - gabapentin (unii: 6cw7f3g59x) (gabapentin - unii:6cw7f3g59x) - gabapentin tablets are 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 tablets are contraindicated in patients who have demonstrated hypersensitivity to the drug or its ingredients. 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, 1000, 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 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, 300, 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 compared 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.

USA - engelsk - NLM (National Library of Medicine)

remedyrepack inc. - celecoxib (unii: jcx84q7j1l) (celecoxib - unii:jcx84q7j1l) - celecoxib is indicated for the management of the signs and symptoms of oa [ see clinical studies (14.1) ]. for the management of the signs and symptoms of ra [ see clinical studies (14.2) ]. for the management of the signs and symptoms of jra in patients 2 years and older [ see clinical studies (14.3) ]. for the management of the signs and symptoms of as [ see clinical studies (14.4) ]. for the management of acute pain in adults [ see clinical studies (14.5) ]. for the management of primary dysmenorrhea [ see clinical studies (14.5) ]. celecoxib is contraindicated in the following patients: - known hypersensitivity (e.g., anaphylactic reactions and serious skin reactions) to celecoxib, 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 cabg surgery [see warnings and precautions (5.1)]. - in patients who have demonstrated allergic-type reactions to sulfonamides [see warnings and precautions (5.7)]. risk summary use of nsaids, including celecoxib, 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 celecoxib use between about 20 and 30 weeks of gestation and avoid celecoxib 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 celecoxib, 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, embryo-fetal deaths and an increase in diaphragmatic hernias were observed in rats administered celecoxib daily during the period of organogenesis at oral doses approximately 6 times the maximum recommended human dose (mrhd) of 200 mg twice daily. in addition, structural abnormalities (e.g., septal defects, ribs fused, sternebrae fused and sternebrae misshapen) were observed in rabbits given daily oral doses of celecoxib during the period of organogenesis at approximately 2 times the mrhd ( 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 celecoxib, 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 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 celecoxib, 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 celecoxib treatment extends beyond 48 hours, consider monitoring with ultrasound for oligohydramnios. if oligohydramnios occurs, discontinue celecoxib and follow up according to clinical practice ( see data ). labor or delivery there are no studies on the effects of celecoxib during labor or delivery. in animal studies, nsaids, including celecoxib, inhibit prostaglandin synthesis, cause delayed parturition, and increase the incidence of stillbirth. data human data the available data do not establish the presence or absence of developmental toxicity related to the use of celecoxib. 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 celecoxib at oral doses ≥150 mg/kg/day (approximately 2 times the human exposure at 200 mg twice daily as measured by auc 0 to 24 ), caused an increased incidence of ventricular septal defects, a rare event, and fetal alterations, such as ribs fused, sternebrae fused and sternebrae misshapen when rabbits were treated throughout organogenesis. a dose-dependent increase in diaphragmatic hernias was observed when rats were given celecoxib at oral doses ≥30 mg/kg/day (approximately 6 times human exposure based on the auc 0 to 24 at 200 mg twice daily for ra) throughout organogenesis. in rats, exposure to celecoxib during early embryonic development resulted in pre-implantation and post-implantation losses at oral doses ≥50 mg/kg/day (approximately 6 times human exposure based on the auc 0 to 24 at 200 mg twice daily for ra). celecoxib produced no evidence of delayed labor or parturition at oral doses up to 100 mg/kg in rats (approximately 7-fold human exposure as measured by the auc 0 to 24 at 200 mg twice daily). the effects of celecoxib on labor and delivery in pregnant women are unknown. risk summary   limited data from 3 published reports that included a total of 12 breastfeeding women showed low levels of celecoxib in breast milk. the calculated average daily infant dose was 10 to 40 mcg/kg/day, less than 1% of the weight-based therapeutic dose for a two-year old-child. a report of two breastfed infants 17 and 22 months of age did not show any adverse events. caution should be exercised when celecoxib is administered to a nursing woman. the developmental and health benefits of breastfeeding should be considered along with the mother’s clinical need for celecoxib and any potential adverse effects on the breastfed infant from the celecoxib or from the underlying maternal condition. infertility females based on the mechanism of action, the use of prostaglandin-mediated nsaids, including celecoxib, 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 celecoxib, in women who have difficulties conceiving or who are undergoing investigation of infertility. celecoxib is approved for relief of the signs and symptoms of juvenile rheumatoid arthritis in patients 2 years and older. safety and efficacy have not been studied beyond six months in children. the long-term cardiovascular toxicity in children exposed to celecoxib has not been evaluated and it is unknown if long-term risks may be similar to that seen in adults exposed to celecoxib or other cox-2 selective and non- selective nsaids [see boxed warning, warnings and precautions (5.5), and clinical studies (14.3)]. the use of celecoxib in patients 2 years to 17 years of age with pauciarticular, polyarticular course jra or in patients with systemic onset jra was studied in a 12-week, double-blind, active controlled, pharmacokinetic, safety and efficacy study, with a 12-week open-label extension. celecoxib has not been studied in patients under the age of 2 years, in patients with body weight less than 10 kg (22 lbs), and in patients with active systemic features. patients with systemic onset jra (without active systemic features) appear to be at risk for the development of abnormal coagulation laboratory tests. in some patients with systemic onset jra, both celecoxib and naproxen were associated with mild prolongation of activated partial thromboplastin time (aptt) but not prothrombin time (pt). when nsaids including celecoxib are used in patients with systemic onset jra, monitor patients for signs and symptoms of abnormal clotting or bleeding, due to the risk of disseminated intravascular coagulation. patients with systemic onset jra should be monitored for the development of abnormal coagulation tests [see dosage and administration (2.4), warnings and precautions (5.15), adverse reactions (6.1), animal toxicology (13.2), clinical studies (14.3)]. alternative therapies for treatment of jra should be considered in pediatric patients identified to be cyp2c9 poor metabolizers [see poor metabolizers of cyp2c9 substrates (8.8)]. 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)]. of the total number of patients who received celecoxib in pre-approval clinical trials, more than 3,300 were 65 to 74 years of age, while approximately 1,300 additional patients were 75 years and over. no substantial differences in effectiveness were observed between these subjects and younger subjects. in clinical studies comparing renal function as measured by the gfr, bun and creatinine, and platelet function as measured by bleeding time and platelet aggregation, the results were not different between elderly and young volunteers. however, as with other nsaids, including those that selectively inhibit cox-2, there have been more spontaneous post-marketing reports of fatal gi events and acute renal failure in the elderly than in younger patients [see warnings and precautions (5.2, 5.6)]. the daily recommended dose of celecoxib capsules in patients with moderate hepatic impairment (child-pugh class b) should be reduced by 50%. the use of celecoxib in patients with severe hepatic impairment is not recommended [see  dosage and administration (2.7) and clinical pharmacology (12.3)]. celecoxib is not recommended in patients with severe renal insufficiency [ see  warnings and precautions (5.6) and clinical pharmacology (12.3) ]. in patients who are known or suspected to be poor cyp2c9 metabolizers (i.e., cyp2c9*3/*3), based on genotype or previous history/experience with other cyp2c9 substrates (such as warfarin, phenytoin) administer celecoxib starting with half the lowest recommended dose. alternative management should be considered in jra patients identified to be cyp2c9 poor metabolizers [see  dosage and administration (2.7) and clinical pharmacology (12.5)].