The purpose of this study is to evaluate the tolerability, safety and efficacy of topiramate in infants with refractory partial onset seizures (POS).
This is a world wide, multicenter, randomized, double-blind, placebo-controlled study to evaluate the tolerability, safety and efficacy of 3 target doses (5, 15, and 25 mg/kg/day) of topiramate compared with placebo as an adjunct therapy in infants with refractory partial onset seizures (POS). There are 4 phases to the study, a screening phase of 3 days, a double blind treatment phase of 20 days, a one year open label extension phase and a posttreatment (taper and withdrawal) phase. The oral liquid formulation will also be assessed during this study, as it is investigational, unlike the marketed sprinkle formulation. 5, 15, 25 mg/kg/day of topriramate sprinkle and oral liquid formulation will be administered during the four phases of the study.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
118
Video-recorded EEG was primary efficacy measure. Baseline vEEG and the vEEG at Visit 4 (Days 19 to 20; end point DB treatment phase or early withdrawal) will be read by a blinded central reader
Time frame: Video-recorded EEG was primary efficacy measure. Baseline vEEG and the vEEG at Visit 4 (Days 19 to 20; end point DB treatment phase or early withdrawal) will be read by a blinded central reader
Percent treatment responders >=50% reduction seizure rate. ·Percentage change in seizure rate recorded on subject take-home records. Percentage change in seizure rates for all seizure types recorded on VEEG.
Time frame: Baseline to endpoint of double blind phase
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placebo
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Birmingham, Alabama, United States
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Mobile, Alabama, United States
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Los Angeles, California, United States
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Denver, Colorado, United States
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New Haven, Connecticut, United States
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Wilmington, Delaware, United States
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Washington D.C., District of Columbia, United States
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Loxahatchee Groves, Florida, United States
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Miami, Florida, United States
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Orlando, Florida, United States
...and 84 more locations