Suppression of Clinical Trials of Sumatriptan

Courtesy Health Care Renewal  Fri, 11/13/2009 - 11:18

Correspondence to the Lancet two weeks ago revealed another instance in which clinical research studies that failed to provide results favorable to a sponsor's product were suppressed.

[Tfeft-Hansen  PC. Unpublished clinical trials of sumatriptan. Lancet 2009; 374: 1501-2.  Link here .]

Sumatriptan, sold as Imitrex by GlaxoSmithKline, and now available generically, is a commonly used treatment for acute migraine headaches.  A Cochrane review from 2003 concluded that multiple clinical trials versus placebo showed that the drug is a...

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