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RANDOMIZED CONTROLLED TRIAL
S K Aurora, D W Dodick, H-C Diener, R E DeGryse, C C Turkel, R B Lipton, S D Silberstein
OBJECTIVE: Chronic migraine (CM) is a prevalent and disabling neurological disorder. Phase III REsearch Evaluating Migraine Prophylaxis Therapy (PREEMPT) clinical program assessed efficacy and safety of onabotulinumtoxinA (BOTOX(®)) for prophylaxis of headaches in adults with CM. This secondary analysis assessed patients who received all five treatment cycles and completed the study. MATERIALS AND METHODS: PREEMPT (two phase III studies: 24-week double-blind, placebo-controlled [DBPC], parallel-group phase, followed by 32-week open-label [OL] phase) evaluated the efficacy and safety of onabotulinumtoxinA in CM (≥15 days/month with headache lasting ≥4 h a day)...
January 2014: Acta Neurologica Scandinavica
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