1. CGRP-monoclonal antibodies in Japan: insights from an online survey of physician members of the Japanese headache society.
- Author
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Takizawa, Tsubasa, Ihara, Keiko, Watanabe, Narumi, Takemura, Ryo, Takahashi, Nobuyuki, Miyazaki, Naoki, Shibata, Mamoru, Suzuki, Keisuke, Imai, Noboru, Suzuki, Norihiro, Hirata, Koichi, Takeshima, Takao, and Nakahara, Jin
- Subjects
THERAPEUTIC use of monoclonal antibodies ,MEDICAL protocols ,RESEARCH funding ,COST effectiveness ,T-test (Statistics) ,HEADACHE ,KRUSKAL-Wallis Test ,FISHER exact test ,CALCITONIN ,DECISION making ,DESCRIPTIVE statistics ,PEPTIDES ,MONOCLONAL antibodies ,ATTITUDES of medical personnel ,DRUG efficacy ,ANALYSIS of variance ,DATA analysis software ,MIGRAINE ,EVALUATION ,CHEMICAL inhibitors - Abstract
Background: Anti-calcitonin gene-related peptide monoclonal antibodies (CGRPmAbs) have greatly changed migraine treatment options. In Japan, although CGRPmAb guidelines (≥ 4 monthly migraine days (MMDs) and ≥ 1 previous preventive failure) are well-acknowledged, the actual use of CGRPmAbs and the circumstances of the related headache care are unknown. Methods: We conducted an online survey of Japanese Headache Society members, inquiring about the physicians' experience with CGRPmAbs and how they make decisions related to their use. Results: Of the 397 respondents, 320 had prescribed CGRPmAbs. The threshold number of previous preventive failures for recommending a CGRPmAb was two for the majority of the respondents (n = 170, 54.5%), followed by one (n = 64, 20.5%). The MMD threshold was ≥ 4 for 71 respondents (22.8%), ≥ 6 for 68 (21.8%), ≥ 8 for 76 (24.4%), and ≥ 10 for 81 (26.0%). The respondents tended to assess treatment efficacy after 3 months (episodic migraine: n = 217, 69.6%, chronic migraine: n = 188, 60.3%). The cost of CGRPmAbs was described by many respondents in two questions: (i) any request for a CGRPmAb (27.7%), and (ii) the most frequently reported reason for responders to discontinue CGRPmAbs (24.4%). Conclusions: Most of the respondents recommended CGRPmAbs to patients with ≥ 2 preventive failures, followed by ≥ 1. The MMD threshold ranged mostly from ≥ 4 to ≥ 10. The concern for costs was raised as a major limiting factor for prescribing CGRPmAbs. [ABSTRACT FROM AUTHOR]
- Published
- 2024
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