17-08-2016
03-06-2020
17-08-2016
העדוה העדוה
לע לע
הרמחה הרמחה
(
(
עדימ עדימ
ןולעב )תוחיטב ןולעב )תוחיטב
ל
ל
אפור אפור
:ךיראת
29.12.2013
םש
רישכת
:תילגנאב
Meronem 500mg
Meronem 1g
רפסמ
םושיר
1041128624
1040828622
םש
לעב
םושירה
:
הקינזהרטסא
מ"עב )לארשי(
אפורל ןולע
םיטרפ
לע
םי/יונישה
םי/שקובמה קרפ ןולעב טסקט
יחכונ טסקט
שדח
Contrain
dication
Hypersensitivity to any other carbapenem antibacterial
agent
Severe hypersensitivity
(e.g.
anaphylactic
reaction,
severe skin reaction) to any other type of betalactam
antibacterial agent (e.g. penicillins or cephalosporins
Special
warnings
special
precautio
ns for
Seizures have infrequently been reported during treatment
with carbapenems, including meropenem (see section 4.8)
Hepatic function should be closely monitored during
treatment with meropenem due to the risk of hepatic toxicity
(hepatic dysfunction with cholestasis and cytolysis)
lactation
Meropenem has been reported to be excreted in human milk
Undesir
able
Effects
Frequency adverse reaction
Renal and urinary disorders Uncommon Blood creatinine
increased, blood urea increased
Reporting Rate of Adverse Reactions (data derived from a
combination of post-marketing clinical trial and spontaneous
sources)
General disorders and administration site conditions Not known
Pain at the injection site
Incomp
atibilitie
Meronem
should not be
mixed with or
added to other
drugs
Meronem is
compatible with
the following
infusion fluids:
0.9% Sodium
Chloride
solution
5% or 10%
Glucose
solution
5% Glucose
solution with
0.02% Sodium
Bicarbonate
5% Glucose and
0.9% Sodium
Chloride
solution
5% Glucose
with 0.225%
Sodium
Chloride
solution
5% Glucose
with 0.15%
Potassium
Chloride
solution
Mannitol 2.5%
or 10%
solution.
Meronem should not be mixed with or added to other drugs
Meronem is compatible with the following infusion fluids:
0.9% Sodium Chloride solution
5% or 10% Glucose solution
5% Glucose solution with 0.02% Sodium Bicarbonate
5% Glucose and 0.9% Sodium Chloride solution
5% Glucose with 0.225% Sodium Chloride solution
5% Glucose with 0.15% Potassium Chloride solution
Mannitol 2.5% or 10% solution.
Chemical and physical in-use stability for a prepared solution
for infusion using 0.9% sodium chloride solution has been
demonstrated for 6 3 hours
at up to 25°C
at controlled room
temperature (15-25°C) or 24 hours
under refrigerated
conditions
at (2-8°C)
Constituted solutions of Meronem IV in 5% glucose (dextrose)
solution should be used immediately.
The prepared solution
should, if refrigerated, be used within 2 hours after it has left
the refrigerator
The constituted solutions should not be frozen.
ל ןולע ןכרצ םיטרפ
לע
םי/יונישה
םי/שקובמה קרפ
ןולעב טסקט
יחכונ טסקט
שדח ינפל
תליטנ שי ,הפורתה
עדיל תא
אפורה
:םא םא
התא
חקול תופורת
תורחא ןוירה
הקנהו
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MERONEM 500MG
MERONEM 1G
1.
NAME OF THE MEDICINAL PRODUCT
Meronem 500mg
Meronem 1g
2.
QUALITATIVE AND QUANTITATIVE COMPOSITION
Meronem 500mg
Each vial contains meropenem trihydrate equivalent to 500 mg anhydrous meropenem.
Excipients with known effect:
Each 500 mg vial contains 104 mg sodium carbonate which equates to approximately 2 mEq
of sodium (approximately 45 mg).
Meronem 1 g
Each vial contains meropenem trihydrate equivalent to 1 g anhydrous meropenem.
Excipients with known effect:
Each 1 g vial contains 208 mg sodium carbonate which equates to approximately 4 mEq of
sodium (approximately 90 mg).
For the full list of excipients, see section 6.1.
3.
PHARMACEUTICAL FORM
Powder for solution for injection or infusion.
A white to light yellow powder.
4.
CLINICAL PARTICULARS
4.1
Therapeutic indications
Meronem IV is indicated for treatment, in adults and children, of the following infections
caused by single or multiple bacteria sensitive to meropenem.
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Pneumonias and Nosocomial Pneumonias
Pulmonary infections in patients with cystic fibrosis
Urinary Tract Infections
Intra abdominal Infections
Gynaecological Infections, such as endometritis and pelvic inflammatory disease
Skin and Skin Structure Infections
Meningitis
Septicaemia
Meronem has proved efficacious alone or in combination with other antimicrobial agents in
the treatment of polymicrobial infections.
There is no experience in paediatric patients with neutropenia or primary or secondary
immunodeficiency.
4.2
Posology and method of administration
Adults
The dosage and duration of therapy shall be established depending on type and severity of
infection and the condition of the patient.
The recommended daily dosage is as follows:
500 mg IV every 8 hours in the treatment of pneumonia, UTI, gynaecological infections such
as endometritis, pelvic inflammatory disease, skin and skin structure infections.
1 g IV every 8 hours in the treatment of nosocomial pneumonias, peritonitis, presumed
infections in neutropenic patients, septicaemia.
In cystic fibrosis, doses up to 2 g every 8 hours have been used; most patients have been
treated with 2 g every 8 hours.
In meningitis the recommended dosage is 2 g every 8 hours.
When treating infections known or suspected to be caused by Pseudomonas aeruginosa,
a dose of at least 1g every 8 hours in adults (maximum approved dose is 6g daily given
in 3 divided doses) and a dose of at least 20mg/kg every 8 hours in children (maximum
approved dose is 120mg/kg/ daily given in 3 divided doses) are recommended.
Regular sensitivity testing is recommended when treating Pseudomonas aeruginosa infection.
There are limited safety data available to support the administration of a 2g bolus dose in
adults as an intravenous bolus injection
Dosage Schedule for Adults with Impaired Renal Function
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Dosage should be reduced in patients with creatinine clearance less than 51 mL/min, as
scheduled below.
Table 1
Creatinine Clearance
(mL/min)
Dose (based on “unit” dose range
of 500 mg, 1 g, 2 g)
Frequency
26-50
one unit dose
every 12 hours
10-25
one-half unit dose
every 12 hours
<10
one-half unit dose
every 24 hours
Meropenem is cleared by haemodialysis and haemofiltration; if continued treatment with
Meronem is necessary, it is recommended that the unit dose (based on the type and severity of
infection)
administered
completion
haemodialysis
procedure
restore
therapeutically effective plasma concentrations.
There is no experience with the use of Meronem in patients under peritoneal dialysis.
Dosage in Adults with Hepatic Insufficiency
No dosage adjustment is necessary in patients with hepatic insufficiency (see Section 4.4).
Elderly Patients
No dosage adjustment is required for the elderly with normal renal function or creatinine
clearance values above 50 mL/min.
Children
For children over 3 months and up to 12 years of age the recommended dose is 10 to 20 mg/kg
every 8 hours depending on type and severity of infection, susceptibility of the pathogen and
the condition of the patient. In children over 50 kg weight, adult dosage should be used. In
meningitis and cystic fibrosis the recommended dose is 40 mg/kg every 8 hours.
There is no experience in children with renal impairment.
Method of Administration
Meronem IV can be given as an intravenous bolus injection over approximately 5 minutes or
by intravenous infusion over approximately 15 to 30 minutes using the specific available
presentations. There is limited safety data available to support the administration of a 40
mg/kg
bolus
dose
children).
There
limited
safety
data
available
support
administration of a 2g bolus dose (in adults).
Meronem IV to be used for bolus intravenous injection should be constituted with sterile
Water
Injections
meropenem).
This
provides
approximate
concentration of 50 mg/mL. Constituted solutions are clear, and colourless or pale yellow.
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Meronem IV for intravenous infusion may be constituted with compatible infusion fluids (50
to 200 ml) (see Sections 6.2 and 6.3 6.6).
Meronem should not be mixed with or physically added to solutions containing other drugs.
Solutions of meronem should not be frozen.
4.3
Contraindications
Hypersensitivity to the active substance or to any of the excipients listed in section 6.1.
Hypersensitivity to any other carbapenem antibacterial agent.
Severe hypersensitivity (e.g. anaphylactic reaction, severe skin reaction) to any other type of
beta-lactam antibacterial agent (e.g. penicillins or cephalosporins).
4.4
Special warnings and precautions for use
The selection of meropenem to treat an individual patient should take into account the
appropriateness of using a carbapenem antibacterial agent based on factors such as severity of
the infection, the prevalence of resistance to other suitable antibacterial agents and the risk of
selecting for carbapenem-resistant bacteria.
Enterobacteriaceae
Pseudomonas aeruginosa
Acinetobacter
spp. resistance
Resistance to penems of
Enterobacteriaceae, Pseudomonas aeruginosa and Acinetobacter
spp. varies across the European Union. Prescribers are advised to take into account the local
prevalence of resistance in these bacteria to penems.
Hypersensitivity reactions
As with all beta-lactam antibiotics, serious and occasionally fatal hypersensitivity reactions
have been reported (see sections 4.3 and 4.8).
Patients who have a history of hypersensitivity to carbapenems, penicillins or other beta-
lactam antibiotics may also be hypersensitive to meropenem. Before initiating therapy with
meropenem, careful inquiry should be made concerning previous hypersensitivity reactions to
beta-lactam antibiotics.
If a severe allergic reaction occurs, the medicinal product should be discontinued and
appropriate measures taken.
Severe cutaneous adverse reactions (SCAR), such as Stevens-Johnson syndrome (SJS), toxic
epidermal necrolysis (TEN), drug reaction with eosinophilia and systemic symptoms
(DRESS), erythema multiforme (EM) and acute generalised exanthematous pustulosis
(AGEP) have been reported in patients receiving meropenem (see section 4.8). If signs and
symptoms suggestive of these reactions appear, meropenem should be withdrawn immediately
and an alternative treatment should be considered.
Antibiotic
-
associated colitis
Antibiotic-associated colitis and pseudomembranous colitis have been reported with nearly all
anti-bacterial agents, including meropenem, and may range in severity from mild to life
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threatening. Therefore, it is important to consider this diagnosis in patients who present with
diarrhoea during or subsequent to the administration of meropenem (see section 4.84.8).
Discontinuation of therapy with meropenem and the administration of specific treatment for
Clostridium difficile
should be considered. Medicinal products that inhibit peristalsis should
not be given.
Seizures
Seizures have infrequently been reported during treatment with carbapenems, including
meropenem (see section 4.8).
Hepatic function monitoring
Hepatic function should be closely monitored during treatment with meropenem due to the
risk of hepatic toxicity (hepatic dysfunction with cholestasis and cytolysis) (see section 4.8).
Use in patients with liver disease: patients with pre-existing liver disorders should have liver
function monitored during treatment with meropenem. There is no dose adjustment necessary
(see section 4.2).
Direct antiglobulin test (Coombs test) seroconversion
A positive direct or indirect Coombs test may develop during treatment with meropenem.
Concomitant use with valproic acid/sodium valproate/valpromide
The concomitant use of meropenem and valproic acid/sodium valproate/valpromide is not
recommended (see section 4.5).
Meronem contains sodium.
Meronem 500 mg: This medicinal product contains 45 mg sodium per 500 mg vial, equivalent
to 2.25% of the WHO recommended maximum daily intake of 2 g sodium for an adult.
Meronem 1 g: This medicinal product contains 90 mg sodium per 1 g vial, equivalent to 4.5%
of the WHO recommended maximum daily intake of 2 g sodium for an adult.
4.5
Interaction with other medicinal products and other forms of
interaction
No specific medicinal product interaction studies other than probenecid were conducted.
Probenecid competes with meropenem for active tubular secretion and thus inhibits the renal
excretion of meropenem with the effect of increasing the elimination half-life and plasma
concentration of meropenem. Caution is required if probenecid is co-administered with
meropenem.
The potential effect of meropenem on the protein binding of other medicinal products or
metabolism has not been studied. However, the protein binding is so low that no interactions
with other compounds would be expected on the basis of this mechanism.
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Decreases in blood levels of valproic acid have been reported when it is co-administered with
carbapenem agents resulting in a 60-100 % decrease in valproic acid levels in about two days.
Due to the rapid onset and the extent of the decrease, co-administration of valproic
acid/sodium valproate/valpromide with carbapenem agents is not considered to be manageable
and therefore should be avoided (see section 4.4).
Oral anti-coagulants
Simultaneous administration of antibiotics with warfarin may augment its anti-coagulant
effects. There have been many reports of increases in the anti-coagulant effects of orally
administered anti-coagulant agents, including warfarin in patients who are concomitantly
receiving antibacterial agents. The risk may vary with the underlying infection, age and
general status of the patient so that the contribution of the antibiotic to the increase in INR
(international normalised ratio) is difficult to assess. It is recommended that the INR should be
monitored frequently during and shortly after co-administration of antibiotics with an oral
anti-coagulant agent.
Paediatric population
Interaction studies have only been performed in adults.
4.6
Pregnancy and lactation
Pregnancy
There are no or limited amount of data from the use of meropenem in pregnant women.
Animal studies do not indicate direct or indirect harmful effects with respect to reproductive
toxicity (see section 5.3).
As a precautionary measure, it is preferable to avoid the use of meropenem during pregnancy.
Breast-feeding
Small amounts of meropenem have been reported to be excreted in human milk. Meropenem
should not be used in breast-feeding women unless the potential benefit for the mother
justifies the potential risk to the baby.
4.7
Effects on ability to drive and use machines
No studies on the effect on the ability to drive and use machines have been performed.
However, when driving or operating machines, it should be taken into account that headache,
paraesthesia and convulsions have been reported for meropenem.
4.8
Undesirable effects
Summary of the safety profile
In a review of 4,872 patients with 5,026 meropenem treatment exposures, meropenem-related
adverse reactions most frequently reported were diarrhoea (2.3%), rash (1.4%),
nausea/vomiting (1.4%) and injection site inflammation (1.1%). The most commonly reported
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meropenem-related laboratory adverse events were thrombocytosis (1.6%) and increased
hepatic enzymes (1.5-4.3%).
Tabulated risk of adverse reactions
In the table below all adverse reactions are listed by system organ class and frequency: very
common (≥ 1/10); common (≥ 1/100 to <1/10); uncommon (≥ 1/1,000 to <1/100); rare
(≥ 1/10,000 to <1/1,000); very rare (< 1/10,000); not known (cannot be estimated from the
available data). Within each frequency grouping, undesirable effects are presented in order of
decreasing seriousness.
Table 1
System Organ Class
Frequency
Event
Infections and infestations
Uncommon
oral and vaginal candidiasis
Blood and lymphatic system
disorders
Common
thrombocythaemia
Uncommon
agranulocytosis, haemolytic
anaemia, thrombocytopenia,
neutropenia, leukopenia,
eosinophilia
Immune system disorders
Psychiatric disorders
Uncommon
Rare
, anaphylaxis (see sections 4.3 and
4.4), angioedema
delirium
Nervous system disorders
Common
headache
Uncommon
paraesthesia
Rare
convulsions (see section 4.4)
Gastrointestinal disorders
Common
diarrhoea, abdominal pain
vomiting, nausea
Uncommon
antibiotic-associated colitis (see
section 4.4)
Hepatobiliary disorders
Common
transaminases increased, blood
alkaline phosphatase increased,
blood lactate dehydrogenase
increased.
Uncommon
blood bilirubin increased
Skin and subcutaneous tissue
disorders
Common
rash, pruritus
Uncommon
toxic epidermal necrolysis, Stevens
Johnson syndrome, erythema
multiforme. (see section 4.4),
urticaria
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Table 1
System Organ Class
Frequency
Event
Not known
drug reaction with eosinophilia and
systemic symptoms , acute
generalised exanthematous
pustulosis (see section 4.4)
Renal and urinary disorders
Uncommon
blood creatinine increased, blood
urea increased
General disorders and
administration site conditions
Common
inflammation, pain
Uncommon
thrombophlebitis, pain at the
injection site
Paediatric population
Meronem is licensed for children over 3 months of age. There is no evidence of an increased
risk of any adverse drug reaction in children based on the limited available data. All reports
received were consistent with events observed in the adult population.
Reporting of suspected adverse reactions
Reporting suspected adverse reactions after authorisation of the medicinal product is
important. It allows continued monitoring of the benefit/risk balance of the medicinal product.
Any suspected adverse event should be reported to the Ministry of Health according to the
National Regulation by using an online form https://sideeffects.health.gov.il/
4.9
Overdose
Relative overdose may be possible in patients with renal impairment if the dose is not adjusted
as described in section 4.2. Limited post-marketing experience indicates that if adverse
reactions occur following overdose, they are consistent with the adverse reaction profile
described in section 4.8, are generally mild in severity and resolve on withdrawal or dose
reduction. Symptomatic treatments should be considered.
In individuals with normal renal function, rapid renal elimination will occur.
Haemodialysis will remove meropenem and its metabolite.
5.
PHARMACOLOGICAL PROPERTIES
5.1
Pharmacodynamic properties
Pharmacotherapeutic group: antibacterials for systemic use, carbapenems, ATC code:
J01DH02
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Mechanism of action
Meropenem exerts its bactericidal activity by inhibiting bacterial cell wall synthesis in Gram-
positive and Gram-negative bacteria through binding to penicillin-binding proteins (PBPs).
Pharmacokinetic/Pharmacodynamic (PK/PD) relationship
Similar to other beta-lactam antibacterial agents, the time that meropenem concentrations
exceed the MIC (T>MIC) has been shown to best correlate with efficacy. In preclinical
models meropenem demonstrated activity when plasma concentrations exceeded the MIC of
the infecting organisms for approximately 40% of the dosing interval. This target has not been
established clinically.
Mechanism of resistance
Bacterial resistance to meropenem may result from: (1) decreased permeability of the outer
membrane of Gram-negative bacteria (due to diminished production of porins) (2) reduced
affinity of the target PBPs (3) increased expression of efflux pump components, and (4)
production of beta-lactamases that can hydrolyse carbapenems.
Localised clusters of infections due to carbapenem-resistant bacteria have been reported in the
European Union.
There is no target-based cross-resistance between meropenem and agents of the quinolone,
aminoglycoside, macrolide and tetracycline classes. However, bacteria may exhibit resistance
to more than one class of antibacterial agents when the mechanism involved include
impermeability and/or an efflux pump(s).
Breakpoints
European Committee on Antimicrobial Susceptibility Testing (EUCAST) clinical breakpoints
for MIC testing are presented below.
EUCAST clinical MIC breakpoints for meropenem (2013-02-11, v 3.1)
Organism
Susceptible (S)
(mg/l)
Resistant (R)
(mg/l)
Enterobacteriaceae
≤ 2
> 8
Pseudomonas
spp.
≤ 2
> 8
Acinetobacter
spp.
≤ 2
> 8
Streptococcus groups
A, B, C and G
note 6
note 6
Streptococcus pneumoniae
1
≤ 2
> 2
Viridans
group
streptococci
2
≤ 2
> 2
Enterococcus
spp.
Staphylococcus
spp.
note 3
note 3
Haemophilus influenzae
1, 2
and Moraxella
catarrhalis
2
≤ 2
> 2
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Organism
Susceptible (S)
(mg/l)
Resistant (R)
(mg/l)
Neisseria meningitidis
2,4
≤ 0.25
> 0.25
Gram-positive anaerobes except
Clostridium
difficile
≤ 2
> 8
Gram-negative anaerobes
≤ 2
> 8
Listeria monocytogenes
≤ 0.25
> 0.25
Non-species related breakpoints
≤ 2
> 8
Meropenem breakpoints for
Streptococcus pneumoniae
Haemophilus influenzae
in meningitis are
0.25 mg/l (Susceptible) and 1 mg/l (Resistant).
Isolates with MIC values above the susceptible breakpoint are very rare or not yet reported. The identification
and antimicrobial susceptibility tests on any such isolate must be repeated and if the result is confirmed the
isolate sent to a reference laboratory. Until there is evidence regarding clinical response for confirmed isolates
with MIC values above the current resistant breakpoint they should be reported resistant.
Susceptibility of staphylococci to carbapenems is inferred from the cefoxitin susceptibility.
Breakpoints relate to meningitis only.
Non-species related breakpoints have been determined using PK/PD data and are independent of MIC
distributions of specific species. They are for use only for organisms that do not have specific breakpoints. Non
species related breakpoints are based on the following dosages: EUCAST breakpoints apply to meropenem
1000 mg x 3 daily administered intravenously over 30 minutes as the lowest dose. 2 g x 3 daily was taken into
consideration for severe infections and in setting the I/R breakpoint.
6 The beta-lactam susceptibility of streptococcus groups A, B, C and G is inferred from the penicillin
susceptibility.
-- = Susceptibility testing not recommended as the species is a poor target for therapy with the drug. Isolates may
be reported as R without prior testing.
The prevalence of acquired resistance may vary geographically and with time for selected
species and local information on resistance is desirable, particularly when treating severe
infections. As necessary, expert advice should be sought when the local prevalence of
resistance is such that the utility of the agent in at least some types of infections is
questionable.
The following table of pathogens listed is derived from clinical experience and therapeutic
guidelines.
Commonly susceptible species
Gram-positive aerobes
Enterococcus faecalis
Staphylococcus aureus
(methicillin-susceptible)
Staphylococcus
species (methicillin-susceptible) including
Staphylococcus epidermidis
Streptococcus agalactiae
(Group B)
Streptococcus milleri
group (
S. anginosus
S. constellatus
, and
S. intermedius
Streptococcus pneumoniae
Streptococcus pyogenes
(Group A)
העדוה העדוה
לע לע
הרמחה הרמחה
(
(
עדימ עדימ
)תוחיטב )תוחיטב
:ךיראת
18
רבמטפסל
2011
םש
רישכת
:תילגנאב
Meronem 500 mg
Meronem 1g
ירפסמ
:םושיר
Meronem 500 mg: 104 08 28622 00
Meronem 1g : 104 11 28624 00
םש
לעב
םושירה
:
הקינזהרטסא
מ"עב )לארשי(
םייונישה
ןולעב
םינמוסמ
עקרב
בוהצ אפורל ןולע םיטרפ
לע
םי/יונישה
םי/שקובמה קרפ
ןולעב טסקט
יחכונ טסקט
שדח
Posology
Method of
administrat
ion
with
other
antibiotics, particular
caution
recommended
using meropenem as
monotherapy
critically ill
patients
with
known
suspected
Pseudomonas
aeruginosa
lower
respiratory
tract
infection
When treating infections known or suspected to be
caused by Pseudomonas aeruginosa and/or
Acinetobacter spp and the susceptibility of the pathogen
is unknown, a dose of 1g three times
daily or higher in adults and a dose of up to 40mg/kg
three times daily in children is recommended
There is limited safety data available to support the
administration of a 2g bolus dose
Meropenem is cleared by haemodialysis and
hemofiltration; if continued treatment with Meronem is
necessary, it is recommended that the unit dose (based
on the type and severity of infection) is administered at
the completion of the haemodialysis procedure to restore
therapeutically effective plasma concentrations
Method of
administrat
ion
There is limited safety data available to support the
administration of a 40 mg/kg bolus dose. There is limited
safety data available to support the administration of a 2g
Special
warnings
There is some clinical and laboratory evidence of partial
cross-allergenicity between other carbapenems and
beta-lactam antibiotics, penicillins and cephalosporins
As with all beta-lactam antibiotics, (serious and
and
precautions
for use
occasionally fatal) rare hypersensitivity reactions have
been reported (see Section 4.8). Before initiating
therapy with meropenem, careful inquiry should be made
concerning previous hypersensitivity reactions to beta-
lactam antibiotics. Meronem should be used with caution
in patients with such a history. If an allergic reaction to
meropenem occurs, the drug should be discontinued and
The concomitant use of valproic acid/sodium valproate
and Meronem is not recommended (see
section Interactions with other medicinal products and
Meronem 500 mg: This medicinal product contains
approximately 2.0 mEq of sodium per 500 mg
dose which should be taken into consideration by
patients on a controlled sodium diet
Meronem 1.0 g: This medicinal product contains
approximately 4.0 mEq of sodium per 1.0 g dose
which should be taken into consideration by patients on a
Interactio
ns with
other
medicinal
products
and other
forms of
interaction
Decreases in blood levels of valproic acid have been
reported when it is co-administered with
carbapenem agents resulting in a 60-100% decrease in
valproic acid levels in about two days
Due to the rapid onset and the extent of the decrease,
co-administration of Meronem in patients stabilised on
valproic acid is not considered to be manageable and
see Special Warnings and Precautions for use
Simultaneous administration of antibiotics with warfarin
may augment its anti-coagulant effects
There have been many reports of increases in the anti-
coagulant effects of orally administered anticoagulant
agents, including warfarin in patients who are
concomitantly receiving antibacterial agents
The risk may vary with the underlying infection, age and
general status of the patient so that the
contribution of the antibiotic to the increase in INR
(international normalised ratio) is difficult to
assess. It is recommended that the INR should be
monitored frequently during and shortly after
coadministration of antibiotics with an oral anti-
Effects on
Ability to
Drive and
Use
Machines
No data are available, but it
is not anticipated that
Meronem will affect the
ability to drive and use
machines.
No studies on the ability to drive and use machines have
driving or operating machines, it should be taken into
account that headache, paraesthesia
and convulsions have been reported for Meronem
Undesirable
Effects
Meronem is generally well
tolerated. Adverse events
rarely lead to cessation of
treatment. Serious adverse
events are rare
Frequency
Common (≥1% and < 10%)
Uncommon (≥0.1% and <1 %)
Rare (≥0.01% and <0.1%)
Not known
Meronem is generally well tolerated. Adverse reactions rarely
lead to cessation of treatment. Serious adverse reactions are
The following adverse reactions have been identified following
clinical studies with Meronem. Their frequency is presented in
Table 1 Frequency of Adverse Reactions (data derived from
clinical
trial
data
sources)
using
CIOMS
frequency
classification and then listed by MedDRA SOC and at the
preferred level. Frequencies of occurrence of undesirable effects
are defined as: very common (≥1/10; ≥10%); common (≥1/100 to
<1/10; ≥1% to <10%); uncommon (≥1/1,000 to <1/100; ≥0.1% to
<1%); rare (≥1/10,000 to <1/1,000; ≥0.01% to <0.1%); very rare
Frequency of Adverse Reactions (data derived from clinical trial data sources)
Frequency
Uncommon
Common
Uncommon
Common
Uncommon
Rare
Common
Common
Uncommon
Skin and subcutaneous tissue
Common
Uncommon
Common
Uncommon
The following adverse reactions have been identified from post-
marketing clinical trials and spontaneous reports. Their
frequency is presented in Table 2:
Reporting Rate of Adverse
Reactions (data derived from a combination of post-marketing clinical
trial and spontaneous sources) using CIOMS III frequency classification
and then listed by MedDRA SOC and at the preferred level.
Frequencies of occurrence of undesirable effects are defined as: very
common (≥1/10; ≥10%); common (≥1/100 to <1/10; ≥1% to <10%);
uncommon (≥1/1,000 to <1/100; ≥0.1% to <1%); rare (≥1/10,000 to
<1/1,000; ≥0.01% to <0.1%); very rare (<1/10,000; <0.01%).
Reporting Rate of Adverse Reactions (data derived from a combination of post-
marketing clinical trial and spontaneous sources)
Frequency
Rare
Very rare
Very rare
Very rare
Skin and subcutaneous tissue
Very rare
Pharmacod
ynamic
Properties
Gram-positive
aerobes
Bacillus spp.,
Corynebacterium
diphtheriae,
Enterococcus faecalis,
Enterococcus
liquifaciens,
Enterococcus avium,
Listeria
monocytogenes,
Lactobacillus spp.,
Nocardia asteroides,
Staphylococcus
aureus (penicillinase
negative and positive),
Staphylococci- coagula
se-negative; including,
Staphylococcus
epidermidis,
Staphylococcus
saprophyticus,
Staphylococcus
capitis,
Staphylococcus cohnii,
Staphylococcus
xylosus,
Staphylococcus
warneri,
Staphylococcus
hominis,
Staphylococcus
simulans,
Staphylococcus
intermedius,
Staphylococcus sciuri,
Staphylococcus
lugdunensis,
Streptococcus
Bacterial resistance to meropenem may result from: (1)
decreased permeability of the outer
membrane of Gram-negative bacteria (due to diminished
affinity of the target PBPs (3) increased expression of
production of β-lactamases that can hydrolyse
Localised clusters of infections due to carbapenem-
resistant bacteria have been reported in some
The susceptibility to meropenem of a given clinical
isolate should be determined by standard
methods. Interpretations of test results should be made
in accordance with local infectious
diseases and clinical microbiology guidelines
The antibacterial spectrum of meropenem includes the
following species, based on clinical
experience and therapeutic guidelines
Enterococcus faecalis (note that E. faecalis can
naturally display intermediate susceptibility),
Staphylococcus aureus (methicillin-susceptible
strains only: methicillin-resistant staphylococci
including MRSA are resistant to meropenem),
Staphylococcus species including Staphylococcus
epidermidis (methicillin-susceptible strains only:
methicillin-resistant staphylococci including MRSE
are resistant to meropenem), Streptococcus
agalactiae (Group B streptococcus), Streptococcus
milleri group (S. anginosus, S. constellatus, and S.
intermedius), Streptococcus pneumoniae,
Streptococcus pyogenes (Group A streptococcus)
pneumoniae (penicillin
susceptible and
resistant),
Streptococcus
agalactiae,
Streptococcus
pyogenes,
Streptococcus equi,
Streptococcus bovis,
Streptococcus mitis,
Streptococcus mitior,
Streptococcus milleri,
Streptococcus
sanguis,
Streptococcus
viridans,
Streptococcus
salivarius,
Streptococcus
morbillorum,
Streptococcus Group
G, Streptococcus
Group F, Rhodococcus
equi
Gram-negative
aerobes
Achromobacter
xylosoxidans,
Acinetobacter
anitratus,
Acinetobacter lwoffii,
Acinetobacter
baumannii, Aeromonas
hydrophila, Aeromonas
sorbria, Aeromonas
caviae, Alcaligenes
faecalis, Bordetella
bronchiseptica,
Brucella melitensis,
Campylobacter coli,
Campylobacter jejuni,
Citrobacter freundii,
Citrobacter diversus,
Citrobacter koseri,
Citrobacter
amalonaticus,
Enterobacter
aerogenes,
Enterobacter
(Pantoea)
agglomerans,
Enterobacter cloacae,
Enterobacter
sakazakii, Escherichia
coli, Escherichia
hermannii, Gardnerella
vaginalis, Haemophilus
influenzae (including
beta-lactamase
Gram
negative aerobes
Citrobacter freundii, Citrobacter koseri,
Enterobacter aerogenes, Enterobacter cloacae,
Escherichia coli, Haemophilus influenzae,
Klebsiella oxytoca, Klebsiella pneumoniae,
Morganella morganii, Neisseria meningitidis,
Proteus mirabilis, Proteus vulgaris, Serratia
Anaerobic bacteria
Clostridium
perfringens,
Peptoniphilus
asaccharolyticus,
Peptostreptococcus
species
(including P. micros, P anaerobius, P. magnus)
Bacteroides caccae, Bacteroides fragilis group,
Prevotella bivia, Prevotella disiens
Species for which acquired resistance may be a
problem: Gram-positive aerobes
Enterococcus faecium
(E. faecium
can naturally
display intermediate susceptibility even without
acquired resistance mechanisms; note that in some
European countries the frequency of resistance
among E. faecium is greater than 50 % of isolates)
Species for which acquired resistance may be a
problem: Gram-negative aerobes
Acinetobacter species, Burkholderia cepacia,
Pseudomonas aeruginosa
Inherently resistant organisms: Gram-negative
aerobes
Stenotrophomonas maltophilia, Legionella species
Other inherently resistant organisms
Chlamydophila pneumoniae, Chlamydophila
psittaci, Coxiella burnetii, Mycoplasma pneumonia
The published medical microbiology literature describes in-
vitro meropenem-susceptibilities of many other bacterial
species. However the clinical significance of such in-vitro
findings is uncertain. Advice on the clinical significance of in-
vitro findings should be obtained from local infectious diseases
and clinical microbiology experts and local professional
positive and ampicillin
resistant strains),
Haemophilus
parainfluenzae,
Haemophilus ducreyi,
Helicobacter pylori,
Neisseria meningitidis,
Neisseria gonorrhoeae
(including
beta-lactamase
positive, penicillin
resistant and
spectinomycin resistant
strains), Hafnia alvei,
Klebsiella
pneumoniae,
Klebsiella aerogenes,
Klebsiella ozaenae,
Klebsiella oxytoca,
Moraxella
(Branhamella)
catarrhalis, Morganella
morganii, Proteus
mirabilis, Proteus
vulgaris, Proteus
penneri, Providencia
rettgeri, Providencia
stuartii, Providencia
alcalifaciens,
Pasteurella multocida,
Plesiomonas
shigelloides,
Pseudomonas
aeruginosa,
Pseudomonas putida,
Pseudomonas
alcaligenes,
Burkholderia
(Pseudomonas)
cepacia,
Pseudomonas
fluorescens,
Pseudomonas stutzeri,
Pseudomonas
pseudomallei,
Pseudomonas
acidovorans,
Salmonella spp.,
including Salmonella
enteritidis/typhi,
Serratia marcescens,
Serratia liquefaciens
Serratia rubidaea,
Shigella sonnei,
Shigella flexneri,
Shigella boydii,
Shigella dysenteriae,
Vibrio cholerae, Vibrio
parahaemolyticus,
Vibrio vulnificus,
Meropenem and imipenem have a similar profile of clinical
utility and activity against multi-resistant bacteria. However,
meropenem is intrinsically more potent against Pseudomonas
aeruginosa and may be active in vitro against imipenem-
Meropenem is active in vitro against many strains resistant to
-lactam antibiotics. This is explained in part by
-lactamases. Activity in vitro against
strains resistant to unrelated classes of antibiotics such as
aminoglycosides or quinolones is common.
The prevalence of acquired resistance may vary geographically
and with time for selected species and local information on
resistance is desirable, particularly when treating severe
infections. As necessary, expert advice should be sought when
the local prevalence of resistance is such that the utility of the
agent in at least some types of infections is questionable
Yersinia enterocolitica
Anaerobic bacteria
Actinomyces
odontolyticus,
Actinomyces meyeri,
Bacteroides-
Prevotella-
Porphyromonas spp.,
Bacteroides fragilis,
Bacteroides vulgatus,
Bacteroides variabilis,
Bacteroides
pneumosintes,
Bacteroides
coagulans,
Bacteroides uniformis,
Bacteroides distasonis,
Bacteroides ovatus,
Bacteroides
thetaiotaomicron,
Bacteroides eggerthii,
Bacteroides
capsillosis, Prevotella
buccalis, Prevotella
corporis, Bacteroides
gracilis, Prevotella
melaninogenica,
Prevotella intermedia,
Prevotella bivia,
Prevotella
splanchnicus,
Prevotella oralis,
Prevotella disiens,
Prevotella rumenicola,
Bacteroides
ureolyticus, Prevotella
oris, Prevotella
buccae, Prevotella
denticola, Bacteroides
levii, Porphyromonas
asaccharolytica,
Bifidobacterium spp.,
Bilophila wadsworthia,
Clostridium
perfringens,
Clostridium
bifermentans,
Clostridium ramosum,
Clostridium
sporogenes,
Clostridium cadaveris,
Clostridium sordellii,
Clostridium butyricum,
Clostridium
clostridiiformis,
Clostridium innocuum,
Clostridium
subterminale,
Clostridium tertium,
Eubacterium lentum,
Eubacterium
aerofaciens,
Fusobacterium
mortiferum,
Fusobacterium
necrophorum,
Fusobacterium
nucleatum,
Fusobacterium varium,
Mobiluncus curtisii,
Mobiluncus mulieris,
Peptostreptococcus
anaerobius,
Peptostreptococcus
micros,
Peptostreptococcus
saccharolyticus,
Peptococcus
saccharolyticus,
Peptostreptococcus
asaccharolyticus,
Peptostreptococcus
magnus,
Peptostreptococcus
prevotii,
Propionibacterium
acnes,
Propionibacterium
avidum,
Propionibacterium
granulosum
Stenotrophomonas
maltophilia,
Enterococcus faecium
methicillin-resistant
staphylococci have
been found to be
resistant to
meropenem
Pharmacok
inetic
Properties
Studies in children
have shown that the
pharmacokinetics of
Meronem in children
are similar to those
adults.
elimination
half-life
for meropenem was
approximately 1.5 to
2.3 hours in children
under the age of 2
years
pharmacokinetics
are linear over the
dose range of 10 to
40 mg/kg
The pharmacokinetics in infants and children with
infection at doses of 10, 20 and 40 mg/kg
showed Cmax values approximating to those in adults
following 500, 1000 and 2000 mg doses
respectively. Comparison showed consistent
pharmacokinetics between the doses and half-lives
similar to those observed in adults in all but the youngest
subjects (<6 months t1/2 1.6 hours)
The mean meropenem clearance values were 5.8
ml/min/kg (6-12 years), 6.2 ml/min/kg (2
years), 5.3 ml/min/kg (6-23 months) and 4.3 ml/min/kg
(2-5 months). Approximately 60 % of
the dose is excreted in urine over 12 hours as
meropenem with a further 12 % as metabolite
Meropenem concentrations in the CSF of children with
meningitis are approximately 20 % of
concurrent plasma levels although there is significant
The pharmacokinetics of meropenem in neonates
requiring anti-infective treatment showed
greater clearance in neonates with higher chronological
or gestational age with an overall average half-life of 2.9
hours. Monte Carlo simulation based on a population PK
model showed that a dose regimen of 20 mg/kg 8 hourly
achieved 60 %T>MIC for P. aeruginosa in 95 % of pre-
term and 91 % of full term neonates
Special
Precaution
s for
Storage
However,
reconstituted
solutions
Meronem
maintain
satisfactory potency
at room temperature
(at 15
C - 25
C) or
under
refrigeration
C) as shown in
the following table
Reconstituted
product,
constituted
as described above,
should
used
immediately
must be stored for no
longer than 24 hours
under
refrigeration,
only if necessary
Reconstituted product, constituted as described above,
should be used immediately and must be stored for no
longer than 24 hours under refrigeration, only if
necessary
Diluent
--------------------------------------------------------------
Vials reconstituted with Water for Injection for bolus injection
Solutions (1 to 20 mg/ml) prepared with
Hours
At 15 – 25
---------------------
_____________