Background And Objective: We aimed to provide real-world data on the effectiveness of an anti-calcitonin gene-related peptide monoclonal antibody administered for treating migraine in Korean patients.
Methods: We prospectively recruited patients with migraine who received galcanezumab treatment at a single university hospital from June 2020 to April 2021. The treatment response was assessed after three consecutive monthly injections. A 50% responder rate was evaluated based on ≥50% reduction in the number of moderate/severe headache days.
Results: Overall, 87 patients were included in the analysis. Most patients were women (83.9%). They had a mean age of 41.7 ± 12.3 years (range 17-72). Sixty-five patients (74.7%) had chronic migraine, 35 patients (40.2%) had a history of medication-overuse headache, and 32 patients (36.8%) were previously unresponsive to or found intolerable five classes of preventive medication. After three months of treatment, mean changes in numbers of monthly headache days, moderate/severe headache days, crystal clear days, and days of acute medication use were -7.2 ± 8.43, -4.3 ± 9.76, 7.3 ± 8.50, and -4.1 ± 7.93, respectively. The 50% responder rates were 58.3%, 44.2%, and 40.6% for patients with unsuccessful previous use of 0-1, 2-4, and 5 preventive medication classes, respectively. Headache Impact Test-6 and Migraine Disability Assessment Test scores also decreased (-4.4 ± 8.09 and -32.9 ± 77.04, respectively).
Conclusion: In our cohort, the effectiveness and safety of galcanezumab were comparable with those reported in clinical trials, whereas a higher response rate was observed in the difficult-to-treat patient subset than that reported in trials. We provide real-world evidence of galcanezumab treatment benefits in Asian patients with migraine.
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http://dx.doi.org/10.1177/03331024221076481 | DOI Listing |
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