What efficacy measures are clinically relevant and should be used in Cochrane Reviews of acute migraine trials? A viewpoint.

Cephalalgia

Danish Headache Center, University of Copenhagen, Department of Neurology, Glostrup Hospital Glostrup, Denmark

Published: April 2015

Background: Cochrane Reviews are methodologically of high quality but the clinical relevance of analysed efficacy measures (EMs) should also be assessed.

Methods: The clinical relevance of EMs used in one systematic Cochrane review of oral zolmitriptan for migraine headache was evaluated.

Results: The following EMs were used: pain free at two hours (30%), headache relief at two hours (60%), sustained pain free for 24 hours (19%) and sustained headache relief for 24 hours (39%). These EMs were also used in four other Cochrane reviews of acute migraine treatment. Of these EMs sustained headache relief for 24 h is not judged clinically relevant.

Conclusion: Pain free and sustained pain free are clinically relevant, but the responses are rather low, demonstrating that there is a need for improvement of acute drug treatment in migraine.

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http://dx.doi.org/10.1177/0333102414545347DOI Listing

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