A Study of Levetiracetam in Japanese Pediatric Patients With Generalized Tonic-clonic Seizures
An Open-label, Single-arm, Multicenter Study to Evaluate the Efficacy and Safety of Adjunctive Treatment With Levetiracetam in Japanese Patients (≥4 to <16 Years) With Uncontrolled Generalized Tonic-clonic (GTC) Seizures Despite Treatment With 1 or 2 Antiepileptic Drug(s)
2 other identifiers
interventional
13
1 country
26
Brief Summary
To evaluate the efficacy and safety of Levetiracetam dry syrup at doses up to 60 mg/kg/day or 3000 mg/day used as adjunctive therapy in Japanese pediatric patients aged ≥4 to \<16 years with uncontrolled Generalized Tonic-Clonic (GTC) seizures despite treatment with 1 or 2 Anti-Epileptic Drugs (AEDs).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_3
Started Feb 2011
26 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 1, 2011
CompletedFirst Submitted
Initial submission to the registry
February 8, 2011
CompletedFirst Posted
Study publicly available on registry
February 10, 2011
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 1, 2013
CompletedStudy Completion
Last participant's last visit for all outcomes
June 1, 2013
CompletedResults Posted
Study results publicly available
August 12, 2014
CompletedMay 15, 2015
April 1, 2015
2.3 years
February 8, 2011
June 3, 2014
April 27, 2015
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
The Percent Change From the Combined Baseline (4-week Retrospective Baseline and 4-week Prospective Baseline) in the Generalized Tonic-clonic Seizure Frequency Per Week Over the 24-week Treatment Period (Up-Titration and Evaluation Periods)
The percent change from Combined Baseline over Treatment Period was calculated from the Generalized Tonic-Clonic (GTC) seizure frequency per week during the Treatment Period (T) and during the Baseline Period (B, Combined Baseline, ie, Retrospective and Prospective Baseline Periods) using the equation below. The percent change from Baseline = (B - T)/B x 100 The seizure frequency per week was calculated using the following formula: Frequency per week of GTC seizures = total number of GTC seizures in the corresponding period / number of days for observation in the corresponding period x 7
From Baseline (Week -8) to Treatment Period (Week 0 to Week 24)
Secondary Outcomes (5)
The Percent Change in Generalized Tonic-clonic Seizure Frequency Per Week From the Combined Baseline Period Over the Evaluation Period
From Baseline (Week -8) to Evaluation Period (Week 4 to Week 24)
Generalized Tonic-clonic Seizures 50 % Responder Rate (the Proportion of Subjects With 50 % or More Reduction From the Combined Baseline in the Frequency of Generalized Tonic-clonic Seizures) During the Treatment Period
From Baseline (Week -8) to Treatment Period (Week 0 to Week 24)
Generalized Tonic-clonic Seizures 50 % Responder Rate During the Evaluation Period
From Baseline (Week -8) to Evaluation Period (Week 4 to Week 24)
Generalized Tonic-clonic Seizure Freedom Over the Treatment Period
Treatment Period (Week 0 to Week 24)
Generalized Tonic-clonic Seizure Freedom Over the Evaluation Period
Evaluation Period (Week 4 to Week 24)
Study Arms (1)
Levetiracetam
EXPERIMENTALTwice daily (morning and evening) orally
Interventions
The initial dose is 20 mg/kg/day or 1000 mg/day, divided into two equal dose for the first two weeks, followed by 40 mg/kg/day or 2000 mg/day for two weeks. After reaching 60 mg/kg/day or 3000 mg/day, treatment will continue for 20 weeks.
Eligibility Criteria
You may qualify if:
- An epileptic patient with generalized tonic-clonic seizures that are classifiable according to the International League Against Epilepsy classification of epileptic seizures (Epilepsia, 1981)
- A patient on a stable dose of 1 or 2 anti-epileptic drugs for the last 4 weeks (potassium bromide and sodium bromide for the last 12 weeks) prior to the Combined Baseline Period and during the Combined Baseline Period
You may not qualify if:
- Presence of any sign (clinical or imaging procedures) suggesting a progressive brain lesion/disease, in particular, progressive disorder with epileptic seizures
- Diagnosis of Lennox-Gastaut Syndrome
- Confirmed focal epilepsy based on clinical signs (seizure types), with consistent electroencephalogram and magnetic resonance imaging features
- A history of convulsive or nonconvulsive status epilepticus while taking concomitant anti-epileptic drugs for the last 3 months prior to Visit 1
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (26)
191
Akita, Japan
184
Bunkyō City, Japan
309
Bunkyō City, Japan
107
Gifu, Japan
303
Hiroshima, Japan
108
Kobe, Japan
302
Kodaira, Japan
306
Kōshi, Japan
136
Moriyama, Japan
305
Nagoya, Japan
190
Nerima City, Japan
125
Neyagawa, Japan
301
Niigata, Japan
116
Ohmura, Japan
109
Okayama, Japan
308
Ōnojō, Japan
119
Saitama, Japan
117
Sapporo, Japan
304
Sapporo, Japan
103
Sendai, Japan
138
Shimotsuke, Japan
307
Shizuoka, Japan
139
Takatsuki, Japan
135
Tsu, Japan
193
Yokohama, Japan
310
Yufu, Japan
Related Links
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- UCB Clinical Trial Call Center
- Organization
- UCB
Study Officials
- STUDY DIRECTOR
UCB Clinical Trial Call Center
+1 877 822 9493 (UCB)
Publication Agreements
- PI is Sponsor Employee
- No
- Restriction Type
- GT60
- Restrictive Agreement
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
February 8, 2011
First Posted
February 10, 2011
Study Start
February 1, 2011
Primary Completion
June 1, 2013
Study Completion
June 1, 2013
Last Updated
May 15, 2015
Results First Posted
August 12, 2014
Record last verified: 2015-04