Pizotifen26 trials
Lisuride6 trials
Oxitriptan4 trials
Iprazochrome2 trials
Tropisetron2 trials

From: Technical Review

Cover of Drug Treatments for the Prevention of Migraine Headache
Drug Treatments for the Prevention of Migraine Headache.
Technical Reviews, No. 2.3.
Gray RN, Goslin RE, McCrory DC, et al.

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