Time course of 75%-100% efficacy response of adjunctive brivaracetam.
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ABSTRACT: BACKGROUND:Time to sustained seizure frequency reduction can provide clinically meaningful epilepsy outcomes. AIMS OF THE STUDY:To examine the time course of brivaracetam (BRV) efficacy in adults with focal seizures and focal to bilateral tonic-clonic seizures (FBTCS). METHODS:Post hoc analysis of data pooled from three randomized controlled trials of oral adjunctive BRV in adults with epilepsy. Patients with focal epilepsy and a subpopulation with FBTCS receiving BRV 50, 100, or 200 mg/d (initiated without up-titration) or placebo for 12 weeks were analyzed for time to sustained ?75%, ?90%, and 100% seizure reduction without interruption from first day until trial ends. RESULTS:Evaluation included 1160 patients with focal seizures, including 352 patients with FBTCS. Sustained ?75%, ?90%, and 100% response in focal seizures was higher from day 1 for BRV 100 and 200 mg/d vs placebo (P < .01). Sustained ?75% and 100% FBTCS reduction from day 1 was higher for BRV 100 and 200-mg/d groups vs placebo (P < .01). CONCLUSIONS:The majority of patients achieving 75%-100% sustained seizure frequency reduction (all focal seizure types and the subpopulation with FBTCS) with oral BRV (100 or 200 mg/d) achieved this response on the first-treatment day.
SUBMITTER: Klein P
PROVIDER: S-EPMC7422720 | biostudies-literature | 2020 Aug
REPOSITORIES: biostudies-literature
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