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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Meta-analysis of rizatriptan efficacy in randomized controlled clinical trials.

Data from seven randomized, placebo-controlled, double-blind phase III clinical trials were analysed to further evaluate the efficacy of rizatriptan 10 mg (n = 2068) in comparison with placebo (n = 1260) and rizatriptan 5 mg (n = 1486) for the acute treatment of a migraine attack. Migraine was diagnosed according to International Headache Society criteria. Headache severity, associated migraine symptoms and functional disability were measured immediately before dosing and at 0.5, 1, 1.5 and 2 h. Headache recurrence (return of moderate or severe headache after an initial response) was also recorded. In addition to conventional pain relief (reduction of moderate or severe headache to mild or none) and pain free measures, the analysis looked at the elimination of associated migraine symptoms and disability in patients who had symptoms or disability at baseline. Maintenance of pain relief or pain-free status over 24 h was also analysed. At 2 h, rizatriptan 10 mg was significantly more effective than placebo for pain relief (71% vs. 38%, P < 0.001), and for elimination of pain, nausea, photophobia, phonophobia and functional disability. The benefit was maintained over 24 h; 37% of patients on rizatriptan 10 mg had sustained pain relief vs. 18% for placebo (P < 0.001). Rizatriptan 10 mg was also more effective than rizatriptan 5 mg, with a significant superiority at 2 h on all measures except for elimination of nausea. The benefit was maintained over 24 h; 38% of patients on rizatriptan 10 mg had sustained pain relief vs. 32% for rizatriptan 5 mg (P = 0.001).[1]

References

  1. Meta-analysis of rizatriptan efficacy in randomized controlled clinical trials. Ferrari, M.D., Loder, E., McCarroll, K.A., Lines, C.R. Cephalalgia : an international journal of headache. (2001) [Pubmed]
 
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