1. Name Of The Medicinal Product
Trobalt®
Trobalt®
Trobalt®
Trobalt®
Trobalt®
Treatment initiation pack
Trobalt®
Trobalt®
2. Qualitative And Quantitative Composition
Each film-coated tablet contains 50 mg of retigabine.
Each film-coated tablet contains 100 mg of retigabine.
Each film-coated tablet contains 200 mg of retigabine.
Each film-coated tablet contains 300 mg of retigabine.
Each film-coated tablet contains 400 mg of retigabine.
For a full list of excipients, see section 6.1.
3. Pharmaceutical Form
Film-coated tablet (tablet).
50 mg tablets:
Purple, round, film-coated tablets, marked with “RTG 50” on one side.
100 mg tablets:
Green, round, film-coated tablets, marked with “RTG 100” on one side.
200 mg tablets:
Yellow, oblong, film-coated tablets, marked with “RTG-200” on one side.
300 mg tablets:
Green, oblong, film-coated tablets, marked with “RTG-300” on one side.
400 mg tablets:
Purple, oblong, film-coated tablets, marked with “RTG-400” on one side.
4. Clinical Particulars
4.1 Therapeutic Indications
Trobalt is indicated as adjunctive treatment of partial onset seizures with or without secondary generalisation in adults aged 18 years and above with epilepsy.
4.2 Posology And Method Of Administration
Posology
Trobalt must be titrated, according to individual patient response, in order to optimise the balance between efficacy and tolerability.
The maximum total daily starting dose is 300 mg (100 mg three times daily). Thereafter, the total daily dose is increased by a maximum of 150 mg every week, according to the individual patient response and tolerability. An effective maintenance dose is expected to be between 600 mg/day and 1,200 mg/day.
The maximum total maintenance dose is 1,200 mg/day. The safety and efficacy of doses higher than 1,200 mg/day have not been established.
If patients miss one dose or more, it is recommended that they take a single dose as soon as they remember.
After taking a missed dose, at least 3 hours should be allowed before the next dose and then the normal dosing schedule should be resumed.
When withdrawing Trobalt, the dose must be gradually reduced (see section 4.4).
Renal impairment
Retigabine and its metabolites are eliminated principally by renal excretion.
No dose adjustment is required in patients with mild renal impairment (creatinine clearance 50 to 80 ml/min; see section 5.2).
A 50% reduction in the initial and maintenance dose of Trobalt is recommended in patients with moderate or severe renal impairment (creatinine clearance <50 ml/min; see section 5.2). The total daily starting dose is 150 mg, and it is recommended that during the titration period, the total daily dose is increased by 50 mg every week, to a maximum total dose of 600 mg/day.
The effect of haemodialysis on retigabine clearance has not been adequately evaluated.
Hepatic impairment
No dose reduction is required in patients with mild hepatic impairment (Child-Pugh score 5 to 6; see section 5.2).
A 50% reduction in the initial and maintenance dose of Trobalt is recommended in patients with moderate or severe hepatic impairment (Child-Pugh score
Paediatric population
The safety and efficacy of retigabine in children below 18 years of age have not been established yet. No data are available.
Elderly (65 years of age and above)
There are only limited data on the safety and efficacy of retigabine in patients aged 65 years and above. A reduction in the initial and maintenance dose of Trobalt is recommended in elderly patients. The total daily starting dose is 150 mg/day and during the titration period the total daily dose should be increased by a maximum of 150 mg every week, according to the individual patient response and tolerability. Doses greater than 900 mg/day are not recommended (see sections 4.4 and 5.2).
Method of administration
Trobalt must be taken orally in three divided doses each day. It may be taken with or without food (see section 5.2). The tablets should be swallowed whole, and not chewed, crushed or divided.
4.3 Contraindications
Hypersensitivity to the active substance or to any of the excipients.
4.4 Special Warnings And Precautions For Use
Urinary retention
Urinary retention, dysuria and urinary hesitation were reported in controlled clinical studies with retigabine, generally within the first 8 weeks of treatment (see section 4.8). Trobalt must be used with caution in patients at risk of urinary retention, and it is recommended that patients are advised about the risk of these possible effects.
QT interval
A study of cardiac conduction in healthy subjects has demonstrated that retigabine titrated to 1,200 mg/day produced a QT-prolonging effect. A mean increase in Individual Corrected QT Interval (QTcI) of up to 6.7 ms (upper bound of 95% one-sided CI 12.6 ms) was observed within 3 hours of dosing. Caution should be taken when Trobalt is prescribed with medicinal products known to increase QT interval and in patients with known prolonged QT interval, congestive cardiac failure, ventricular hypertrophy, hypokalaemia or hypomagnesaemia and in patients initiating treatment who are 65 years of age and above.
In these patients it is recommended that an electrocardiogram (ECG) is recorded before initiation of treatment with Trobalt and in those with a corrected QT interval>440ms at baseline, an ECG should be recorded on reaching the maintenance dose.
Psychiatric disorders
Confusional state, psychotic disorders and hallucinations were reported in controlled clinical studies with retigabine (see section 4.8). These effects generally occurred within the first 8 weeks of treatment, and frequently led to treatment withdrawal in affected patients. It is recommended that patients are advised about the risk of these possible effects.
Suicide risk
Suicidal ideation and behaviour have been reported in patients treated with antiepileptic agents in several indications. A meta-analysis of randomised placebo-controlled trials of antiepileptic drugs has also shown a small increased risk of suicidal ideation and behaviour. The mechanism of this risk is not known and the available data do not exclude the possibility of an increased risk for Trobalt.
Therefore patients should be monitored for signs of suicidal ideation and behaviours and appropriate treatment should be considered. Patients (and caregivers of patients) should be advised to seek medical advice if signs of suicidal ideation or behaviour emerge.
Elderly (65 years of age and above)
Elderly patients may be at increased risk of central nervous system events, urinary retention and atrial fibrillation. Trobalt must be used with caution in this population and a reduced initial and maintenance dose is recommended (see sections 4.2 and 5.2).
Withdrawal seizures
As with other antiepileptic drugs, Trobalt must be withdrawn gradually to minimise the potential for rebound seizures. It is recommended that the Trobalt dose is reduced over a period of at least 3 weeks, unless safety concerns require an abrupt withdrawal.
4.5 Interaction With Other Medicinal Products And Other Forms Of Interaction
Interaction studies have only been performed in adults.
Other antiepileptic drugs
In vitro data indicated a low potential for interaction with other antiepileptic drugs (see section 5.2). The drug interaction potential was therefore evaluated based on a pooled analysis across clinical studies and whilst not considered as robust as stand-alone clinical interaction studies, the results support the in vitro data.
Based on these pooled data, retigabine did not cause clinically significant effects on the plasma trough concentrations of the following antiepileptic drugs:
- carbamazepine, clobazam, clonazepam, gabapentin, lamotrigine, levetiracetam, oxcarbazepine, phenobarbital, phenytoin, pregabalin, topiramate, valproate, zonisamide.
Further, based on pooled data, there were no clinically significant effects of the following antiepileptic drugs on retigabine pharmacokinetics:
- lamotrigine, levetiracetam, oxcarbazepine, topiramate, valproate.
This analysis also showed no clinically significant effect of the inducers (phenytoin, carbamazepine and phenobarbital) on retigabine clearance.
However, steady-state data from a limited number of patients in smaller phase II studies indicated that:
- phenytoin can reduce retigabine systemic exposure by 35%
- carbamazepine can reduce retigabine systemic exposure by 33%
Interaction with digoxin
Data from an in vitro study showed that the N-acetyl metabolite of retigabine (NAMR) inhibited P-glycoprotein-mediated transport of digoxin in a concentration-dependent manner, indicating that NAMR may inhibit renal clearance of digoxin. Administration of Trobalt at therapeutic doses may increase digoxin serum concentrations.
Interaction with anaesthetics
Trobalt may increase the duration of anesthesia induced by some anaesthetics (for example thiopental sodium; see section 5.1).
Interaction with alcohol
Co-administration of ethanol (1.0 g/kg) with retigabine (200 mg) resulted in an increase in visual blurring in healthy volunteers. It is recommended that patients are advised about the possible effects on vision if they take Trobalt with alcohol.
Laboratory tests
Retigabine has been shown to interfere with clinical laboratory assays of both serum and urine bilirubin, which can result in falsely elevated readings.
4.6 Pregnancy And Lactation
Pregnancy
Risk related to antiepileptic drugs in general
Specialist advice should be given to women who are of childbearing potential. The need for treatment with antiepileptic drugs should be reviewed when a woman is planning to become pregnant. In women being treated for epilepsy, sudden discontinuation of antiepileptic drug therapy should be avoided as this may lead to breakthrough seizures that could have serious consequences for the woman and the unborn child.
The risk of congenital malformations is increased by a factor of 2 to 3 in the offspring of mothers treated with antiepileptic drugs compared with the expected incidence in the general population of approximately 3%. The most frequently reported defects are cleft lip, cardiovascular malformations and neural tube defects. Therapy with multiple antiepileptic drugs is associated with a higher risk of congenital malformations than monotherapy and therefore monotherapy should be used whenever possible.
Risk related to Trobalt
There are no adequate data from the use of retigabine in pregnant women. Animal studies are insufficient with respect to reproductive toxicity because the plasma levels achieved in these studies were less than those reached in humans at recommended doses (see section 5.3). In a developmental study in rats whose mothers were treated with retigabine during pregnancy, there was a delay in auditory startle response development of the offspring (see section 5.3). The clinical significance of this finding is not known.
Trobalt is not recommended during pregnancy and in women of childbearing age, not using contraception.
Breastfeeding
It is unknown whether retigabine is excreted in human breast milk. Animal studies have shown excretion of retagabine and/or its metabolites in breast milk. A decision on whether to continue/discontinue breast-feeding or to continue/discontinue therapy with Trobalt should be made taking into account the benefit of breast-feeding to the child and the benefit of Trobalt therapy to the woman.
Fertility
There were no treatment-related effects of retigabine on fertility in animal studies. However, the plasma levels achieved in these studies were less than those reached in humans at recommended doses (see section 5.3).
The effect of retigabine on human fertility has not been established.
4.7 Effects On Ability To Drive And Use Machines
Adverse reactions such as dizziness, somnolence, diplopia and blurred vision were reported in controlled clinical studies, particularly during titration (see section 4.8). It is recommended that patients are advised about the risk of such adverse reactions at treatment initiation and following each titration step, and that they are advised not to drive or operate machinery until they have established how Trobalt affects them.
As there is individual variation in response to all antiepileptic drug therapy, it is recommended that prescribers discuss with patients the specific issues of epilepsy and driving.
4.8 Undesirable Effects
In pooled safety data from three multicentre, randomised, double-blind, placebo-controlled studies, adverse reactions were generally mild to moderate in intensity, and were most commonly reported in the first 8 weeks of treatment. There was an apparent dose-relationship for dizziness, somnolence, confusional state, aphasia, coordination abnormal, tremor, balance disorder, memory impairment, gait disturbance, blurred vision and constipation.
Adverse reactions that were most frequently reported to lead to discontinuation were dizziness, somnolence, fatigue and confusional state.
The following convention has been used for the classification of adverse reactions:
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Within each frequency grouping, adverse reactions are presented in order of decreasing seriousness.
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1Data from elderly patients indicates that they may be more likely to experience certain central nervous system events.
Description of selected adverse reactions
Adverse reactions related to voiding dysfunction, including urinary retention, were reported in 5% of retigabine-treated patients in the pooled safety dataset (see section 4.4). The majority of events occurred in the first 8 weeks of treatment, and there was no apparent dose-relationship.
In retigabine-treated patients in the pooled dataset, confusional state was reported in 9% of patients, hallucinations in 2% of patients and psychotic disorders in 1% of patients (see section 4.4). The majority of adverse reactions occurred in the first 8 weeks of treatment, and there was an apparent dose-relationship for confusional state only.
4.9 Overdose
Symptoms and signs
There is limited experience of overdose with retigabine.
Retigabine overdoses in excess of 2,500 mg/day were reported during clinical studies. In addition to adverse reactions seen at therapeutic doses, symptoms of retigabine overdose included agitation, aggressive behaviour and irritability. There were no reported sequelae.
In a study in volunteers, cardiac arrhythmia (cardiac arrest/asystole or ventricular tachycardia) occurred in two subjects within 3 hours of receiving a single 900 mg retigabine dose. The arrhythmias spontaneously resolved, and both volunteers recovered without sequelae.
Treatment
In the event of overdose, it is recommended that the patient is given appropriate supportive therapy as clinically indicated, including electrocardiogram (ECG) monitoring. Further management should be as recommended by the national poisons centre, where available.
5. Pharmacological Properties
5.1 Pharmacodynamic Properties
Pharmacotherapeutic group: antiepileptics, other antiepileptics, ATC code: N03AX21.
Mechanism of action
Potassium channels are one of the voltage-gated ion channels found in neuronal cells and are important determinants of neuronal activity. In vitro studies indicate that retigabine acts primarily through opening neuronal potassium channels (KCNQ2 [Kv7.2] and KCNQ3 [Kv7.3]). This stabilises the resting membrane potential and controls the sub-threshold electrical excitability in neurons, thus preventing the initiation of epileptiform action potential bursts. Mutations in the KCNQ channels underlie several human inheritable disorders, including epilepsy (KCNQ2 and 3). The mechanism of action of retigabine on potassium channels has been well documented, however other mechanisms by which retigabine may assert an antiepileptic effect have yet to be fully elucidated.
In a range of seizure models, retigabine increased the threshold for seizure induction produced by maximal electroshock, pentylenetetrazol, picrotoxin and N-methyl-D-aspartate (NMDA). Retigabine also displayed inhibitory properties in multiple kindling models, for example, in the fully kindled state and in some cases during the kindling development. In addition, retigabine was effective in preventing status epilepticus seizures in rodents with cobalt-induced epileptogenic lesions, and inhibiting tonic extensor seizures in genetically susceptible mice. The relevance of these models to human epilepsy, however, is not known.
Pharmacodynamic effects
In rats, retigabine increased the sleep time induced by thiopental sodium from approximately 4 min to 53 min, and the propofol-induced sleep time from approximately 8 min to 12 min. There was no effect on sleep time induced by halothane or methohexital sodium. Trobalt may increase the duration of anesthesia induced by some anaesthetics (for example thiopental sodium).
Clinical efficacy of adjunctive retigabine therapy in partial onset seizures
Three multicentre, randomized, double-blind, placebo-controlled studies in a total of 1239 adult patients have been conducted to assess the efficacy of retigabine as adjunctive therapy of partial onset seizures, with or without secondary generalisation. All patients enrolled were to have had seizures that were not adequately controlled with 1 to 3 concomitant antiepileptic drugs, and more than 75% of all patients were taking
The primary efficacy endpoints were:
- percentage change in the 28-day total partial seizure frequency from baseline to the double-blind phase (titration and maintenance phases combined) in all three studies
- responder rate (defined as the percentage of patients with a
Retigabine was effective in adjunctive treatment of adults with partial onset seizures in three clinical studies (Table 1). Retigabine was statistically significantly superior to placebo at 600 mg/day (one study), 900 mg/day (two studies) and 1,200 mg/day (two studies).
The studies were not designed to evaluate specific combinations of antiepileptic drugs. Consequently, the efficacy and safety of retigabine when taken concomitantly with antiepileptic drugs that were less commonly used as background treatment in the clinical studies, including levetiracetam, has not been definitely shown.
Table 1. Summary of percentage changes in 28-day total partial seizure frequency and responder rates
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* Statistically significant, p
~ Dose not studied
In open-label extensions of the three placebo-controlled studies, persistence of efficacy was maintained over an evaluation period of at least 12 months (365 patients).
Paediatric population
The European Medicines Agency has waived the obligation to submit the results of studies with retigabine in paediatric patients aged 0 to below 2 years with Lennox Gastaut Syndrome.
The European Medicines Agency has deferred the obligation to submit the results of studies with retigabine in paediatric patients aged 2 to below 18 years with Lennox Gastaut Syndrome, and in paediatric patients aged 0 to below 18 years with partial onset seizures.
5.2 Pharmacokinetic Properties
Absorption
After both single and multiple oral doses, retigabine is rapidly absorbed with median tmax values generally between 0.5 and 2 hours. Absolute oral bioavailability of retigabine relative to an intravenous dose is approximately 60%.
Administration of retigabine with a high fat meal resulted in no change in the overall extent of retigabine absorption, but food reduced the between-subject variability in Cmax (23%) compared to the fasted state (41%), and led to an increase in Cmax (38%). The effect of food on Cmax under usual clinical conditions is not expected to be clinically relevant. Therefore Trobalt may be taken with or without food.
Distribution
Retigabine is approximately 80% bound to plasma protein over the concentration range of 0.1 to 2 µg/ml. The steady state volume of distribution of retigabine is 2 to 3 l/kg following intravenous dosing.
Biotransformation
Retigabine is extensively metabolised in humans. A substantial fraction of the retigabine dose is converted to inactive N-glucuronides. Retigabine is also metabolised to an N-acetyl metabolite (NAMR) that is also subsequently glucuronidated. NAMR has antiepileptic activity, but is less potent than retigabine in animal seizure models.
There is no evidence for hepatic oxidative metabolism of retigabine or NAMR by cytochrome P450 enzymes. Therefore co-administration with inhibitors or inducers of cytochrome P450 enzymes is unlikely to affect the pharmacokinetics of retigabine or NAMR.
In vitro studies using human liver microsomes showed little or no potential for retigabine to inhibit the major cytochrome P450 isoenzymes (including CYP1A2, CYP2A6, CYP2C8, CYP2C9, CYP2C19, CYP2D6, CYP2E1 and CYP3A4/5). In addition, retigabine and NAMR did not induce CYP1A2 or CYP3A4/5 in human primary hepatocytes. Therefore retigabine is unlikely to affect the pharmacokinetics of substrates of the major cytochrome P450 isoenzymes through inhibition or induction mechanisms.
Elimination
Elimination of retigabine occurs via a combination of hepatic metabolism and renal excretion. A total of approximately 84% of the dose is recovered in the urine, including the N-acetyl metabolite (18%), N-glucuronides of the parent active substance and of the N-acetyl metabolite (24%), or parent active substance (36%). Only 14% of retigabine is excreted in the faeces. Retigabine has a plasma half-life of approximately 6 to 10 hours. The total clearance of retigabine from plasma following intravenous dosing is typically 0.4 to 0.6 l/h/kg.
Linearity
Retigabine pharmacokinetics are essentially linear over the single dose range of 25 to 600 mg in healthy volunteers and up to 1,200 mg daily in patients with epilepsy, with no unexpected accumulation following repeated administration.
Special patient populations
Renal impairment
In a single dose study, retigabine AUC was increased by approximately 30% in volunteers with mild renal impairment (creatinine clearance 50 to 80 ml/min) and by approximately 100% in volunteers with moderate to severe renal impairment (creatinine clearance <50 ml/min), relative to healthy volunteers. Adjustment of the Trobalt dose is recommended in patients with moderate to severe renal impairment but no adjustment of the Trobalt dose is recommended in patients with mild renal impairment (see section 4.2).
In a single dose study in volunteers with end stage renal disease, the retigabine AUC was increased by approximately 100% relative to healthy volunteers. However, the effect of haemodialysis on retigabine clearance was not adequately evaluated.
Hepatic impairment
In a single dose study, there were no clinically significant effects on retigabine AUC in volunteers with mild hepatic impairment (Child-Pugh score 5 to 6). The retigabine AUC was increased by approximately 50% in volunteers with moderate hepatic impairment (Child-Pugh score 7 to 9) and by approximately 100% in volunteers with severe hepatic impairment (Child-Pugh score>9), relative to healthy volunteers. Adjustment of the Trobalt dose is recommended in patients with moderate or severe hepatic impairment (see section 4.2).
Body weight
In a population pharmacokinetic analysis, retigabine clearance increased with increasing body surface area. However, this increase is not considered to be clinically meaningful, and since retigabine is titrated according to individual patient response and tolerability, dose-adjustments are not required on the basis of body weight.
Elderly (65 years of age and above)
In a single-dose study, retigabine was eliminated more slowly by healthy elderly volunteers (66 to 82 years of age) relative to healthy young adult volunteers, resulting in a higher AUC (approximately 40 to 50%) and longer terminal half-life (30%) (see section 4.2).
Gender
The results of a single dose study showed that in young adult volunteers, retigabine Cmax was approximately 65% higher in females than in males, and in elderly volunteers (66 to 82 years of age), retigabine Cmax was approximately 75% higher in females compared with males. When Cmax was normalized for weight, the values were approximately 30% higher in young females than in males and 40% higher in elderly females compared with males. However, there was no apparent gender difference in weight-normalized clearance, and since retigabine is titrated according to individual patient response and tolerability, dose-adjustments are not required on the basis of gender.
Race
A post-hoc analysis across multiple healthy volunteer studies demonstrated a 20% reduction in retigabine clearance in healthy black volunteers relative to healthy Caucasian volunteers. However, this effect is not considered clinically significant, therefore no adjustment of the Trobalt dose is recommended.
Paediatric population
The pharmacokinetics of retigabine in children and adolescents have not been investigated.
5.3 Preclinical Safety Data
Maximum doses in repeat dose toxicity studies were limited by the exaggerated pharmacologic effects of retigabine (including ataxia, hypokinesia and tremor). At no observed effect levels, animal exposure in these studies was generally less than that reached in humans at recommended clinical doses.
Distension of the gall bladder was seen in studies with dogs, but there was no evidence of cholestasis or other signs of gall bladder dysfunction, and bile ejection volume was unchanged. The gall bladder distension in the dog resulted in focal compression of the liver. No signs of gall bladder dysfunction were seen clinically.
Preclinical data reveal no special hazard for humans based on studies of genotoxicity or carcinogenic potential.
Reproductive toxicology
Retigabine had no effect on fertility or general reproductive performance.
In rats, retigabine and/or its metabolites crossed the placenta resulting in tissue concentrations that were similar in dams and foetuses.
There was no evidence of teratogenicity following administration of retigabine to pregnant animals during the period of organogenesis. In a study of peri- and post-natal development in rats, retigabine was associated with increased perinatal mortality following administration during pregnancy. In addition, there was a delay in auditory startle response development. These findings were apparent at exposure levels lower than those obtained with clinically recommended doses and were accompanied by maternal toxicities (including ataxia, hypokinesia, tremor and reduced body weight gain). The maternal toxicities interfered with higher dosing of the dams and hence deduction of safety margins with regard to human therapy.
6. Pharmaceutical Particulars
6.1 List Of Excipients
Tablet core
Croscarmellose sodium
Hypromellose
Magnesium stearate
Microcrystalline cellulose.
Film-coating
50 and 400 mg tablets:
Polyvinyl alcohol
Macrogol 3350
Titanium dioxide (E171)
Talc (E553b)
Indigo carmine aluminium lake (E132)
Carmine (E120).
100 and 300 mg tablets:
Polyvinyl alcohol
Macrogol 3350
Titanium dioxide (E171)
Talc (E553b)
Indigo carmine aluminium lake (E132)
Iron oxide yellow (E172).
200 mg tablets:
Polyvinyl alcohol
Macrogol 3350
Titanium dioxide (E171)
Talc (E553b)
Iron oxide yellow (E172).
6.2 Incompatibilities
Not applicable.
6.3 Shelf Life
18 months.
6.4 Special Precautions For Storage
Do not store above 25°C.
6.5 Nature And Contents Of Container
50 mg tablets (maintenance packs):
Opaque PVDC/PE/PVC-aluminium foil blisters. Packs containing 21, 84 or 168 film-coated tablets.
100 mg tablets (maintenance packs):
Opaque PVDC/PE/PVC-aluminium foil blisters. Packs containing 21, 84 or 168 film-coated tablets.
200 mg tablets:
Opaque PVDC/PE/PVC-aluminium foil blisters. Pack containing 84 film-coated tablets; multi-pack comprising 168 (2 x 84) film-coated tablets.
300 mg tablets:
Opaque PVDC/PE/PVC-aluminium foil blisters. Pack containing 84 film-coated tablets; multi-pack comprising 168 (2 x 84) film-coated tablets.
400 mg tablets:
Opaque PVDC/PE/PVC-aluminium foil blisters. Pack containing 84 film-coated tablets; multi-pack comprising 168 (2 x 84) film-coated tablets.
Treatment initiation pack
Opaque PVDC/PE/PVC-aluminium foil blisters sealed into secondary heat-sealed card packaging.
Pack containing 63 film-coated tablets (21 x 50 mg film-coated tablets and 42 x 100 mg film-coated tablets), presented as:
- one blister of 21 x 100 mg film-coated tablets
- one blister of 21 x 100 mg film-coated tablets and 21 x 50 mg film-coated tablets.
Not all pack sizes may be marketed.
6.6 Special Precautions For Disposal And Other Handling
No special requirements.
7. Marketing Authorisation Holder
Glaxo Group Limited
Berkeley Avenue
Greenford
Middlesex UB6 0NN
United Kingdom
8. Marketing Authorisation Number(S)
EU/1/11/681/001 – Trobalt 50 mg – 21 film-coated tablets
EU/1/11/681/002 – Trobalt 50 mg – 84 film-coated tablets
EU/1/11/681/003 – Trobalt 50 mg – 168 film-coated tablets
EU/1/11/681/004 – Trobalt 100 mg – 21 film-coated tablets
EU/1/11/681/005 – Trobalt 100 mg – 84 film-coated tablets
EU/1/11/681/006 – Trobalt 100 mg – 168 film-coated tablets
EU/1/11/681/007 – Trobalt 200 mg – 84 film-coated tablets
EU/1/11/681/008 – Trobalt 200 mg – 168 (2 x 84) film-coated tablets (multipack)
EU/1/11/681/009 – Trobalt 300 mg – 84 film-coated tablets
EU/1/11/681/010 – Trobalt 300 mg – 168 (2 x 84) film-coated tablets (multipack)
EU/1/11/681/011 – Trobalt 400 mg – 84 film-coated tablets
EU/1/11/681/012 – Trobalt 400 mg – 168 (2 x 84) film-coated tablets (multipack)
EU/1/11/681/013 – Trobalt Intiation Pack – 21 x 50 mg film-coated tablets and 42 x 100 mg film-coated tablets
9. Date Of First Authorisation/Renewal Of The Authorisation
28 March 2011
10. Date Of Revision Of The Text
28 March 2011
Detailed information on this medicinal product is available on the website of the European Medicines Agency http://www.ema.europa.eu.
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