A study to assess the safety and efficacy of Lacosamide versus placebo (a pill without active medication) in patients with idiopathic generalised epilepsy who are already taking anti-epileptic medications

Phase 1

Conditions: Epilepsy
MedDRA version: 20.0 Level: LLT Classification code 10071096 Term: Idiopathic generalized epilepsy System Organ Class: 100000004852
Therapeutic area: Diseases [C] - Nervous System Diseases [C10]

Registration Number: EUCTR2011-003100-21-ES

Lead Sponsor: CB BIOSCIENCES, Inc.

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: ot Recruiting

Sex: Not specified

Target Recruitment: 200

Inclusion Criteria

? Subject with a confirmed diagnosis at least 24 weeks prior to Visit 1 and a disease onset prior to 30 years of age, consistent with idiopathic generalized epilepsy (IGE) experiencing primary generalized tonic-clonic (PGTC) seizures (Type IIE) that are classifiable according to the International League Against Epilepsy (ILAE) Classification of Epileptic Seizures (ILAE, 1981).

? Subject has >=3 PGTC seizures during the 16-week Combined Baseline (12-week Historical Baseline plus 4-week Prospective Baseline)

? If a brain magnetic resonance imaging (MRI)/computed tomography (CT) scan has been performed, there must be no evidence of any progressive abnormality or any lesion likely to be associated with partial-onset seizures.

? Subject has been maintained on a stable dose regimen of 1 to 2 non-benzodiazepine marketed Anti-epileptic drugs (AEDs) OR 1 to 3 AEDs (with at least 1 AED identified as a benzodiazepine) for at least 28 days prior to Visit 1 with or without additional concurrent stable Vagus nerve stimulation (VNS).

? Subjects are required to have had an electroencephalogram (EEG) report consistent with IGE (eg, generalized >= 3Hz epileptiform discharges and a normal EEG background) confirmed by a Central Reviewer.
Are the trial subjects under 18? yes
Number of subjects for this age range: 100
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 90
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range 10

Exclusion Criteria

? History of partial onset seizures or EEG findings indicating partial onset seizures

? Symptomatic generalized epilepsy, e.g. Lennox-Gastaut Syndrome

? Lifetime history of suicide attempt, or suicidal ideation in past 6 months

? Women of child bearing potential must practice contraception according to protocol requirements

? Regular use of neuroleptics, narcotics, monoamine oxidase (MOA) inhibitors, barbiturates (for indication other than epilepsy) within 28 days prior to Visit 1

? Use of Felbamate or Vigabatrin within last 6 months

? Subject is on a ketogenic diet

Study & Design

Study Type: Interventional clinical trial of medicinal product

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Main Objective: To demonstrate the efficacy of oral lacosamide (LCM) vs placebo as adjunctive therapy for uncontrolled primary generalized tonic-clonic (PGTC) seizures in subjects with idiopathic generalized epilepsy (IGE) currently taking 1 to 3 concomitant anti-epileptic drugs (AEDs) independent of the number of prior failed AEDs;Secondary Objective: To assess the safety and tolerability of lacosamide (LCM) in subjects with idiopathic generalized epilepsy (IGE) with uncontrolled primary generalized tonic-clonic (PGTC) seizures;Primary end point(s): Time to the second primary generalized tonic clonic (PGTC) seizure;Timepoint(s) of evaluation of this end point: 24-week Treatment Period from Visit 2 (Week 0) to Visit 10 (Week 24)

Secondary Outcome Measures

Name	Time	Method
<br> Timepoint(s) of evaluation of this end point: 24-week Treatment Period from Visit 2 (Week 0) to Visit 10 (Week 24)<br><br> From the Combined Baseline (combined 12-week Historical and 4-week Prospective Baseline) to the first 6 weeks of the Treatment Period<br> ;<br> Secondary end point(s): Seizure freedom for primary generalized tonic clonic (PGTC) seizures<br><br> The percent change in primary generalized tonic clonic (PGTC) seizure frequency per 28 days<br><br> Time to the first primary generalized tonic clonic (PGTC) seizure<br>

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