Efficacy and Tolerability of Erenumab and Topiramate for Prevention of Chronic Migraine: A Retrospective Cohort Study
Abstract
Background and Objectives: Migraine is a chronic neurological disorder affecting approximately 14% of the global population. Beyond physical pain, migraines significantly impact individuals’ quality of life, influencing education, employment, and income levels. Topiramate, a second-generation antiepileptic medication, has demonstrated notable efficacy in reducing the occurrence of chronic migraine. Over the past three decades, extensive research has implicated the neuropeptide calcitonin gene-related peptide (CGRP) in migraine pathogenesis. Erenumab, the first FDA-approved CGRP inhibitor, received approval in 2018. This study aims to compare the clinical efficacy of Erenumab and Topiramate for migraine prevention. Materials and Methods: We conducted a retrospective cohort study of adults with episodic or chronic migraine over a 12-month period, comparing Erenumab (n = 52) and Topiramate (n = 56). Outcomes assessed included changes in the Migraine Disability Assessment (MIDAS) scores from baseline over the last three months of treatment and the proportion of patients achieving a ≥50% reduction in MIDAS scores by the end of the study. Results: The Erenumab group showed significant improvement, with nearly 79% of patients achieving a 50% reduction in their MIDAS score, with a mean reduction of 3.76. Notably, only two patients (3.8.5) discontinued treatment due to adverse events. In contrast, the Topiramate group had over 15% of patients achieve a 50% reduction in MIDAS scores,…
How strong is the evidence?
Evidence Hub reads this as a cohort study, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 56 participants or records.
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