The anticonvulsants are effective in the treatment of migraine prevention. The sodium valproate has demonstrated to be effective as monotherapy for migraine prevention in placebo-controlled trials. Besides, other new drugs like gabapentin have been used in the prevention of migraine with a good level of evidence. The pregabalin is an anticonvulsant that has not been proved to use in migraine prevention and it has a similar action mechanisms of the gabapentin. The purpose of this study is the comparison of the effect of pregabalin and sodium valproate in migraine prevention in a randomized blinded crossover study.
The purpose of this study is to evaluate the efficacy and safety of pregabalin in comparison with sodium valproate in migraine prevention with a randomized blinded crossover study.