19 citations
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April 2011 in “Headache The Journal of Head and Face Pain” This study found that both topiramate and divalproex sodium were similarly effective in reducing headache frequency by over 50% among episodic migraine patients after three months of treatment.
201 citations
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November 2002 in “Annals of internal medicine” This guideline discusses evidence-based recommendations for managing acute migraine attacks and preventing migraines, highlighting effective treatments such as NSAIDs and triptans but reports no new clinical findings.
4 citations
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July 2019 in “Headache The Journal of Head and Face Pain” This study suggests that low alternating daily doses of sodium divalproate may be effective for migraine prevention, similarly to higher doses, but can still lead to modest weight gain.
September 2025 in “Headache The Journal of Head and Face Pain” In this critique, the authors argue that the American College of Physicians' recent guideline for migraine preventive therapy is based on a flawed analysis with low confidence levels and outdated data, failing to acknowledge newer migraine-specific therapies with stronger evidence and better tolerability.
22 citations
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February 2023 in “European Journal of Neurology” This study found that fremanezumab was effective in reducing migraine headache days by at least 50% for the majority of patients with high-frequency episodic or chronic migraine who had failed previous treatments.