Levetiracetam for prophylactic treatment of pediatric migraine: A randomized double-blind placebo-controlled trial
Abstract
INTRODUCTION: Few drugs are available for migraine prophylaxis in children. Levetiracetam is a broad-spectrum anti-seizure drug that has been suggested to be effective in reducing adult migraine episodes. We assessed the safety and efficacy of levetiracetam in the prevention of pediatric migraine.
METHODS: A randomized double-blind placebo-controlled trial was performed. Eligible participants were aged 4-17 years old with at least four migrainous episodes monthly or had severe disabling or intolerable episodes. Primary endpoints were the mean changes in monthly frequency and intensity of headaches from the baseline phase to the last month of the double-blind phase. Safety endpoint was the adverse effects reported.
RESULTS: Sixty-one participants (31 taking levetiracetam and 30 taking placebo) completed the study. All had a significant reduction in frequency and intensity of episodes that was significantly greater in the levetiracetam arm. Sixty eight percent of individuals in the treatment group reported more than 50% reduction of episodes at the end of the trial compared with 30% in the placebo group (p-value: 0.007). Irritability, day-time sedation, and mild tic were reported.
CONCLUSION: Levetiracetam may be useful in migraine prevention and may decrease migraine episodes and severity.
TRIAL REGISTRATION: The study is prospectively registered with Iranian Registry of Clinical Trials; IRCT.ir, number IRCT2017021632603N1.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design.
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