Almotriptan is an Effective and Well-Tolerated Treatment for Migraine Pain: Results of A Randomized, Double-Blind, Placebo-Controlled Clinical Trial

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Abstract
Almotriptan is a novel and specific serotonin 5-HT1B/1D agonist for the acute treatment of migraine. This randomized, single-dose, double-blind, multicentre, study assessed the efficacy and safety of oral almotriptan (12.5 mg and 25 mg) in patients with migraine, and compared it with the standard treatment (sumatriptan 100 mg) and placebo. A total of 668 patients treated one migraine attack of moderate or severe intensity with study medication. The primary efficacy assessment was migraine pain relief, improvement from severe or moderate pain to mild or no pain, at 2 h after treatment. Response rates, stratified for variation in baseline pain levels, for both almotriptan doses were equivalent to sumatriptan and significantly better than placebo. Other efficacy assessments confirmed the equivalence of the almotriptan groups with the sumatriptan group. Almotriptan 12.5 mg was as well tolerated as placebo ( P = 0.493) and significantly better tolerated than sumatriptan ( P < 0.001), in terms of the overall incidence of adverse events. There was no statistically significant difference in the incidence of adverse events between almotriptan 25 mg and sumatriptan 100 mg ( P = 0.376). The results from this large clinical study indicate that the new, specific 5-HT1B/1D agonist, almotriptan, is an effective and well-tolerated treatment for migraine pain.