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Zolmitriptan nasal spray in the acute treatment of cluster headache


Zolmitriptan nasal spray, at doses of 5 and 10 mg, is effective and tolerable for the acute treatment of cluster headache. The Objective was To evaluate the efficacy and tolerability of zolmitriptan 5 mg and 10 mg nasal spray (ZNS) vs placebo in the acute treatment of cluster headache.

A multicenter, double-blind, randomized, three-period crossover study using ZNS 5 mg, ZNS 10 mg, and placebo. Headache intensity was rated by a 5-point scale: none, mild, moderate, severe, or very severe. The primary efficacy measure was headache response (pain reduced from moderate, severe, or very severe at baseline, to mild or none) at 30 minutes. Logistic regression was used to account for treatment period effect as well as for cluster headache subtype effect.

A total of 52 adult patients treated 151 attacks. For the primary endpoint, both doses reached significance at 30 minutes (placebo = 30%, ZNS 5 mg = 50%, ZNS 10 mg = 63.3%). For headache relief, ZNS 10 mg separated from placebo at 10 minutes (24.5% vs 10%). Zolmitriptan 5 mg separated from placebo at 20 minutes (38.5% vs 20%). For pain-free status, ZNS 10 mg was superior to placebo at 15 minutes (22.0% vs 6%). Both doses had higher pain-free rates than placebo at 30 minutes (placebo = 20%, ZNS 5 mg = 38.5%, ZNS 10 mg = 46.9%). Side effects were mild and seen in 16% of those attacks treated with placebo, 25% of attacks treated with ZNS 5 mg, and 32.7% treated with ZNS 10 mg.

Source : NEUROLOGY 31 Aug 2007