Efficacy of zolmitriptan nasal spray in adolescent migraine
Abstract
OBJECTIVE: The goal was to evaluate the efficacy and tolerability of zolmitriptan nasal spray in the treatment of adolescent migraine.
METHODS: The "Double-Diamond" study used a novel, single-blind, "placebo challenge" in a multicenter, randomized, double-blind, placebo-controlled, 2-way, 2-attack, crossover design. A total of 248 US adolescent patients (12-17 years of age) with an established diagnosis of migraine, with or without aura, were enrolled. A single-blind placebo challenge was used for each migraine attack. No additional medications were taken if a headache response to the initial placebo treatment was achieved at 15 minutes; if migraine intensity remained moderate or severe, then patients treated the attack with zolmitriptan (5 mg) nasal spray or placebo according to a randomized, crossover schedule (double-blind). The primary efficacy variable was headache response at 1 hour after treatment. A comprehensive range of secondary end points included sustained headache response at 2 hours.
RESULTS: A total of 171 patients (mean age: 14.2 years; 57.3% female) treated > or = 1 attack with study medication (intention-to-treat population). The onset of significant pain relief was apparent 15 minutes after treatment with zolmitriptan nasal spray. At 1 hour after the dose, zolmitriptan nasal spray produced a higher headache response rate than did placebo (58.1% vs 43.3%). Zolmitriptan nasal spray was also significantly superior to placebo in improvement in pain intensity,…
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. Reported size: 248 participants or records.
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