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Combination treatment for menstrual migraine and dysmenorrhea using sumatriptan-naproxen: two randomized controlled trials.

Author(s): Mannix LK, Martin VT, Cady RK, Diamond ML, Lener SE, White JD, Derosier FJ, McDonald SA.

Affiliation(s): Headache Associates, West Chester, Ohio, USA. LKMannixMD@aol.com

Publication date & source: 2009, Obstet Gynecol. , 114(1):106-13

OBJECTIVE: To evaluate the efficacy and tolerability of sumatriptan-naproxen during the mild pain phase of a single menstrual migraine attack associated with dysmenorrhea. METHODS: Two replicate randomized, multicenter, double-blind, placebo-controlled, trials of adults with menstrual migraine and dysmenorrhea were conducted. Participants treated their menstrual migraine attack during the mild pain phase (within 1 hour of onset) with sumatriptan 85 mg and naproxen sodium 500 mg in a single fixed-dose formulation (sumatriptan-naproxen) or placebo. The primary endpoint was 2-hour pain-free response. RESULTS: Sumatriptan-naproxen was statistically superior to placebo in both studies (n=311, Study 1; n=310, Study 2) for 2-hour and, 2- to 24-hour sustained pain-free response, use of headache and menstrual rescue medications, and several nonpain menstrual symptom categories. Two-hour pain-free rates were Study 1, 42% compared with 23%, and Study 2, 52% compared with 22%, P<.001. Two- to 24-hour sustained pain-free rates were Study 1, 29% compared with 18%, P=.022; Study 2, 38% compared with 10%, P<.001. Headache and menstrual medication rates were Study 1, 37% compared with 53%, P=.005; Study 2, 31% compared with 69%, P<.001. Women treated with sumatriptan-naproxen continued to be pain free through 48 hours compared with placebo: Study 1, 26% compared with 17%, P=.040; Study 2, 28% compared with 8%, P<.001. No serious adverse events were reported in either study; nausea and dizziness were the most frequently reported adverse events. CONCLUSION: Sumatriptan-naproxen provided an effective pain-free response at 2 hours, which was maintained up to 48 hours in menstrual migraineurs with dysmenorrhea. Sumatriptan-naproxen was well-tolerated and resulted in decreased rescue medication use and relief of nonpainful menstrual symptoms. CLINICAL TRIAL REGISTRATION: ClinicalTrials.gov, www.clinicaltrials.gov, NCT00329459 and NCT00329355 LEVEL OF EVIDENCE: I.

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