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Obstetrics & Gynecology:
Original Research

Pain‐Free Efficacy After Treatment With Sumatriptan in the Mild Pain Phase of Menstrually Associated Migraine

Nett, Robert MD, RPh; Landy, Steve MD; Shackelford, Steve DVM; Richardson, Mary S. PharmD; Ames, Michael PhD; Lener, Michelle PharmD

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OBJECTIVE: To estimate the efficacy of sumatriptan 50-mg and 100-mg tablets in menstrually associated migraine when treatment is administered during the mild pain phase.

METHODS: A randomized, double-blind, placebo-controlled, single-attack study was conducted. Menstrually associated migraine was defined as any migraine beginning on or between day −2 and day 4, with day 1 = first day of flow. Patients had at least a 1-year history of migraine as defined by International Headache Society criteria and reported regularly occurring menstrually associated migraines typically having a mild pain phase. Patients treated attacks within 1 hour of the onset of pain but only if the pain was mild at onset and while the pain was still mild.

RESULTS: In the 349 women with menstrually associated migraine, sumatriptan was significantly more effective than placebo: 61% and 51% of patients who used sumatriptan 100 mg and 50 mg, respectively, were pain-free 2 hours after treatment compared with 29% of patients who used placebo (P < .001 for both comparisons). At 2 hours, 51% and 45% of patients who used sumatriptan 100 mg and 50 mg were free of pain and associated symptoms (photophobia, phonophobia, nausea, vomiting) compared with 25% of placebo patients (P < .001 for both comparisons). Adverse events were low for sumatriptan 100 and 50 mg, and both doses were generally well tolerated.

CONCLUSION: Sumatriptan 50-mg and 100-mg tablets are generally well tolerated and effective in providing pain-free relief and relief of the associated symptoms of menstrually associated migraine when administered in the mild pain phase.

© 2003 The American College of Obstetricians and Gynecologists



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