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Article History

Received: 24 September 2024

Accepted: 14 February 2025

First Online: 6 May 2025

Declarations

:

: The following ethics committees approved the study protocol, informed consent forms, and recruitment materials before patient enrollment: National Health Service Health Research Authority (England); Schleswig–Holstein Medical Association (Germany); Umberto I Polyclinic of Rome associated with Sapienza University of Rome (Italy); Stockholm Regional Ethics Review Board (Sweden); Ethics Committee for Clinical Research of the Basque Country, Research Committee Regional Clinic of the Principality of Asturias, and Coordinating Committee on Ethics of Biomedical Research in Andalusia (Autonomous Communities in Spain); and Independent and Interdisciplinary Committee on the Clinical Analysis of Clinical Studies (Russia).The studies were conducted in accordance with the International Conference for Harmonisation guidelines, applicable regulations, and the Declaration of Helsinki. All patients provided written informed consent before screening.

: Not applicable.

: Financial arrangements of the authors with companies whose products may be related to the present report are listed below, as declared by the authors. Fayyaz Ahmed, MB, BS, MD, FRCP, MBA, has received honoraria from Abbvie, Pfizer, Electrocore, E Neura, Novartis, Lundbeck, Eli Lilly and TeVA for being on their advisory board and deliver lectures. He is treasurer of the International Headache Society and Anglo-Dutch Migraine Association. Dr. Ahmed is the chair of the Association of British Neurologist Special Interest Group on Headache and an honorary advisor of British Association for the Study of Headache and an ambassador and chair of the Scientific Committee, Migraine Trust. Charly Gaul, MD, has received honoraria for consulting and lectures within the past three years from Allergan, an AbbVie Company, Lilly, Novartis Pharma, Hormosan Pharma, Grünenthal, Sanofi-Aventis, Lundbeck, Merz, Perfood, Sanofi and TEVA. He does not hold any stocks of pharmaceutical companies. Katja Kollewe, MD, has received travel grants and honoraria for lectures or advisory boards from Allergan, an AbbVie Company, Biogen, Ipsen, Lilly, Merz, Novartis, and Teva. KK does not hold stocks of any pharmaceutical or medical device companies. Ritu C. Singh, PhD, is an employee of AbbVie and may own AbbVie stocks. Katherine Sommer, PhD, is a former employee of AbbVie Inc.