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Ther Adv Neurol Disord. 2009 May;2(3):135-41. doi: 10.1177/1756285609102769.

Fixed-dose Sumatriptan/Naproxen Sodium Compared with each Monotherapy Utilizing the Novel Composite Endpoint of Sustained Pain-free/no Adverse Events.

Author information

  • 1Wesley Headache Clinic, Memphis, TN, USA wesleyhead@aol.com.

Abstract

A novel composite endpoint, sustained pain-free/no adverse events, was recently proposed as a more rigorous means of capturing in a single measure the attributes of migraine pharmacotherapy that patients consider most important: rapid and sustained pain-free response with no side-effects. Using pooled data from two replicate randomized, double-blind, parallel-group, placebo-controlled studies, this post hoc analysis compared the fixed-dose combination tablet sumatriptan/naproxen sodium (n = 726) with sumatriptan monotherapy (n = 723), naproxen sodium monotherapy (n = 720), and placebo (n = 742) with respect to sustained pain-free/no adverse events and closely related composite measures. Sustained pain-free/no adverse events was defined as having both a sustained pain-free response from 2 through 24 hours post-dose with no use of rescue medication and having no adverse events within up to 5 days after dosing with study medication. The percentage of patients with sustained pain-free/no adverse events was 16% with sumatriptan/naproxen sodium compared with 11%, 9% and 7% for sumatriptan, naproxen sodium and placebo, respectively (p<0.01 sumatriptan/naproxen sodium versus each other treatment). Sumatriptan/naproxen sodium was also significantly more effective than sumatriptan, naproxen sodium, and placebo for other composite endpoints including the percentages of patients with (1) sustained pain-free/no adverse events within 1 day; (2) sustained pain-free/no drug-related adverse events within up to 5 days; (3) sustained pain-free/no drug-related adverse events within 1 day; (4) sustained pain relief/no adverse events within up to 5 days; and (5) sustained pain relief/no adverse events within 1 day. The results demonstrate the superiority of sumatriptan/naproxen sodium to sumatriptan monotherapy, naproxen sodium monotherapy and placebo with respect to the rigorous and clinically relevant endpoint of sustained pain-free/no adverse events and reinforce the usefulness of utilizing this new composite endpoint.

KEYWORDS:

efficacy; headache; migraine; safety; sumatriptan/naproxen sodium; sustained pain-free; tolerability

PMID:
21179523
[PubMed]
PMCID:
PMC3002629
Free PMC Article
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