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Crossover Comparison of Rizatriptan 5 mg and 10 mg Versus Sumatriptan 25 mg and 50 mg in Migraine

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Rizatriptan is a selective 5-HT1B/1D receptor agonist with rapid oral absorption and early onset of action in the acute treatment of migraine. This double-blind, placebo-controlled, crossover study compared rizatriptan 5 mg versus sumatriptan 25 mg, and rizatriptan 10 mg versus sumatriptan 50 mg. A total of 1329 patients were allocated to one of five groups for treatment of two attacks: rizatriptan 5 mg/sumatriptan 25 mg; sumatriptan 25 mg/rizatriptan 5 mg; rizatriptan 10 mg/sumatriptan 50 mg; sumatriptan 50 mg/rizatriptan 10 mg; placebo/placebo. For each attack, patients rated headache severity, presence of associated symptoms, and functional disability prior to dosing and at intervals through 4 hours thereafter. Patients also rated their satisfaction with medication. Rizatriptan 5 mg and 10 mg provided faster relief of headache pain and greater relief of migraine symptoms than the 25-mg and 50-mg doses of sumatriptan, respectively. The response to rizatriptan was better than sumatriptan on additional measures including functional disability and satisfaction with medication. All active treatments were highly effective compared to placebo and acted as early as 30 minutes after dosing. All active treatments were well-tolerated and showed comparable safety profiles.
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Keywords: migraine; rizatriptan; sumatriptan

Document Type: Research Article

Affiliations: 1: From the San Francisco (Calif) Headache Clinic (Dr. Goldstein); 2: Unity Health Research and Ryan Headache Center, Chesterfield, MO (Dr. Ryan); and 3: Merck & Co, Inc, West Point, Penn (Drs. Jiang, Getson, Block, and Lines and Ms. Norman).

Publication date: November 1, 1998

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