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  • Title: Consistency of response to sumatriptan/naproxen sodium in a placebo-controlled, crossover study.
    Author: Lipton RB, Dodick DW, Adelman JU, Kaniecki RG, Lener SE, White JD, Nelsen AC.
    Journal: Cephalalgia; 2009 Aug; 29(8):826-36. PubMed ID: 19220307.
    Abstract:
    Two identical randomized, placebo-controlled, crossover studies were conducted to evaluate consistency of response to sumatriptan/naproxen sodium 85/500 mg (S/NS) over four attacks in adults with migraine. Patients were instructed to treat within 1 h of pain onset while pain was mild. Co-primary end-points were pain-free response at 2 h (2hPF) and 24-h sustained pain-free response (24hSPF) calculated as percentages of all attacks. In Study 1, 570 patients treated 1693 attacks with S/NS and 424 with placebo. In Study 2, 565 patients treated 1678 attacks with S/NS and 422 with placebo. Compared with placebo, S/NS conferred higher 2hPF rates (Study 1: S/NS 52%, placebo 25%; Study 2: S/NS 50%, placebo 20%; both P < 0.001) and higher 24hSPF rates (Study 1: S/NS 37%, placebo 17%; Study 2: S/NS 34%, placebo 12%; both P < 0.001). 2hPF was reported in at least two of the first three S/NS-treated attacks in 55.0% of patients in Study 1 and 52.1% of patients in Study 2. 24hSPF was reported in at least two of the first three S/NS-treated attacks in 35.7% of patients in Study 1 and 32.6% of patients in Study 2. The incidences of any adverse event and of specific adverse events were low and generally similar between S/NS and placebo.
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