Preemptive oral treatment with sumatriptan during a cluster period.


This multinational, multicenter, randomized, double-blind, placebo-controlled study in 169 patients investigated the effect of a 7-day period of preemptive treatment with oral sumatriptan (100 mg tid) on the frequency and severity of cluster headache attacks occurring during an established cluster headache period. Safety and tolerability were also assessed… (More)


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