- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01118949
Open-Label Study to Assess Lacosamide Safety as Add-on Therapy for Primary Generalized Tonic-Clonic Seizures in Subjects With Epilepsy
An Open-Label Pilot Study to Assess the Safety of Oral Lacosamide as Adjunctive Therapy for Uncontrolled Primary Generalized Tonic-Clonic Seizures in Subjects With Idiopathic Generalized Epilepsy
Study Overview
Study Type
Enrollment (Actual)
Phase
- Phase 2
Expanded Access
Contacts and Locations
Study Locations
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Alabama
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Alabaster, Alabama, United States
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Arizona
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Phoenix, Arizona, United States
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Arkansas
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Little Rock, Arkansas, United States
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California
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San Francisco, California, United States
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Colorado
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Aurora, Colorado, United States
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Georgia
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Atlanta, Georgia, United States
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Rome, Georgia, United States
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Idaho
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Boise, Idaho, United States
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Indiana
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Fort Wayne, Indiana, United States
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Kentucky
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Lexington, Kentucky, United States
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Louisville, Kentucky, United States
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Maine
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Scarborough, Maine, United States
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Maryland
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Bethesda, Maryland, United States
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Missouri
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Chesterfield, Missouri, United States
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New York
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New York, New York, United States
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Ohio
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Columbus, Ohio, United States
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Pennsylvania
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Hershey, Pennsylvania, United States
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South Carolina
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Charleston, South Carolina, United States
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Tennessee
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Nashville, Tennessee, United States
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Texas
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Dallas, Texas, United States
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Houston, Texas, United States
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Virginia
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Charlottesville, Virginia, United States
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Norfolk, Virginia, United States
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Washington
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Renton, Washington, United States
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Wisconsin
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Madison, Wisconsin, United States
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Subject has a diagnosis of uncontrolled epilepsy with primary generalized tonic-clonic (PGTC) seizures and idiopathic generalized epilepsy. Diagnosis should have been established by an electroencephalogram (EEG) with generalized spike-wave discharges within 5 years of the screening visit
- Subject has ≥1 PGTC seizure within the 12 weeks prior to the screening visit
- Subject has a stable dose regimen of 1 to 3 marketed antiepileptic drug(s) (AEDs) with or without additional concurrent stable Vagus Nerve Stimulation (VNS). The VNS must have been in place for at least 6 months prior to study entry with constant settings for at least 28 days prior to the screening visit and during the Baseline Phase. Benzodiazepines will be counted as an AED
Exclusion Criteria:
- Subject has a history of partial-onset seizures or EEG findings consistent with partial onset seizures
- Subject has a history of status epilepticus within the 5-year Period prior to Visit 1
- Subject has a current or previous diagnosis of pseudoseizures, conversion disorders, or other non-epileptic ictal events
- Subject has any medical or psychiatric condition
- Subject has any history of alcohol or drug abuse
- Subject is currently taking felbamate
- Subject has ever taken vigabatrin and has no visual fields examination report available or if results of the examination are abnormal
- Subject is on a ketogenic diet
- Subject has a known sodium channelopathy
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Lacosamide
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Lacosamide is supplied as 50 mg, 100 mg, 150 mg, and 200 mg tablets.
Subjects will begin a Dose-Titration Phase of Lacosamide at 100 mg/day (50 mg bid, approx.
12 hours apart, once in the morning and once in the evening) for 1 week.
Three (3) weekly increases will follow until the subject reaches a dosage of 200 mg/day, 300 mg/day, or 400 mg/day, as deemed clinically appropriate.
The final titration will be followed by a 6-week Maintenance Phase.
Subjects who complete the Maintenance Phase have the opportunity to enroll in an open-label extension study; those who do not enroll will begin a 3-week End-of-Study Phase when Lacosamide will be tapered off gradually at a recommended rate of 200 mg/day/week.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Change in the Number of Seizure Days With Absence Seizures From the Baseline Phase to the Maintenance Phase
Time Frame: From Baseline Phase (Weeks 0 to 4) to Maintenance Phase (Weeks 8 to 13)
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During the study subjects kept a diary to record daily seizure activity from Visit 1 until the end of study participation. The following information has been recorded:
A negative value in change of seizure days with absence seizures shows a decrease in seizure days with absence seizures. |
From Baseline Phase (Weeks 0 to 4) to Maintenance Phase (Weeks 8 to 13)
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Change in the Number of Seizure Days With Myoclonic Seizures From the Baseline Phase to the Maintenance Phase
Time Frame: From Baseline Phase (Weeks 0 to 4) to Maintenance Phase (Weeks 8 to 13)
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During the study subjects kept a diary to record daily seizure activity from Visit 1 until the end of study participation. The following information has been recorded:
A negative value in change of seizure days with myoclonic seizures shows a decrease in seizure days with myoclonic seizures. |
From Baseline Phase (Weeks 0 to 4) to Maintenance Phase (Weeks 8 to 13)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Changes in Count of Generalized Spike-wave Discharges on 24-hour Ambulatory Electroencephalogram (EEG) From Visit 2 (Baseline Phase) to Visit 6 (Maintenance Phase)
Time Frame: From Visit 2 (Week 4) to Visit 6 (Week 8)
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Subjects were asked to return to the clinic on the morning of the day prior to Visit 2 and Visit 6 to begin 24-hour ambulatory EEG recordings for evaluation of spike-wave discharges.
Only subjects with an evaluable EEG measurement with > 19 interpretable hours at Visit 2 and Visit 6 are included in this analysis.
The general spike-wave discharges are calculated per interpretable hours.
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From Visit 2 (Week 4) to Visit 6 (Week 8)
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Changes in Count of 3 Hertz (Hz) Spike-wave Discharges (During Waking Hours) on 24-hour Ambulatory Electroencephalogram (EEG) From Visit 2 (Baseline Phase) to Visit 6 (Maintenance Phase)
Time Frame: From Visit 2 (Week 4) to Visit 6 (Week 8)
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Subjects were asked to return to the clinic on the morning of the day prior to Visit 2 and Visit 6 to begin 24-hour ambulatory EEG recordings for evaluation of spike-wave discharges.
Only subjects with an evaluable EEG measurement with > 19 interpretable hours at Visit 2 and Visit 6 are included in this analysis.
The 3 Hertz (Hz) spike-wave discharges are calculated per awake hours.
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From Visit 2 (Week 4) to Visit 6 (Week 8)
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Number of Subjects With Treatment Emergent Adverse Events (TEAEs) During the 10-week Treatment Period
Time Frame: From Visit 2 (Week 4) to Visit 7 (Week 13)
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An Adverse Event (AE) is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product, which does not necessarily have a causal relationship with this treatment.
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From Visit 2 (Week 4) to Visit 7 (Week 13)
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Number of Subjects Withdrawn From the Study Due to Treatment Emergent Adverse Events (TEAEs) During the 10-week Treatment Period
Time Frame: From Visit 2 (Week 4) to Visit 7 (Week 13)
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An Adverse Event (AE) is any untoward medical occurrence in a patient or clinical investigation subject administered a pharmaceutical product, which does not necessarily have a causal relationship with this treatment.
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From Visit 2 (Week 4) to Visit 7 (Week 13)
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Collaborators and Investigators
Sponsor
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- SP0961
- 2014-004379-22 (EudraCT Number)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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