Real-world evidence of fremanezumab for treating migraine in Japan: a retrospective study.

"Declarations Ethics approval and consent to participateThis study was approved by Ethics Committee of the Keio University School of Medicine (approval number: 20211144). Patients were informed about this observational study via the institute’s website, and they could opt out of the study. The need for informed consent was waived by the Ethics Committee of the Keio University School of Medicine, in accordance with national regulations (Ethical Guidelines for Medical and Biological Research Involving Human Subjects). All methods were carried out in accordance with relevant guidelines and regulations. Consent for publicationNot applicable. Competing interestsTT is a consultant/advisor and/or served as advisory board for Otsuka, Eli Lilly, Amgen, Pfizer and Teijin. TT received speaker honoraria from Otsuka, Eli Lilly, Daiichi Sankyo, Amgen, Kowa, Kyowa Kirin, Eisai, UCB Japan, Takeda, and Santen Pharmaceutical and research funding from Eli Lilly and Tsumura outside the submitted work. JN received honoraria and research scholarships from Amgen and Daiichi Sankyo. Other authors have nothing to disclose. Competing interests TT is a consultant/advisor and/or served as advisory board for Otsuka, Eli Lilly, Amgen, Pfizer and Teijin. TT received speaker honoraria from Otsuka, Eli Lilly, Daiichi Sankyo, Amgen, Kowa, Kyowa Kirin, Eisai, UCB Japan, Takeda, and Santen Pharmaceutical and research funding from Eli Lilly and Tsumura outside the submitted work. JN received honoraria and research scholarships from Amgen and Daiichi Sankyo. Other authors have nothing to disclose."

"Funding This work was supported by JSPS KAKENHI (Grant number 22K15693 to TT) and JST CREST (Grant Number JPMJCR22N1 to SH)."