Analysis of questionnaire survey to determine worldwide trends in prescriptions of biologics for the treatment of unresponsive chronic urticaria.

"Declaration of competing interest CJR, RA, TC, AG, HL, EM, ET, DNV – nothing to declare. JAB – PI and advisor for Sanofi/Regeneron, AstraZeneca, Novartis, Genetech, CLS Beshrsing, Takeda/Shire, Biocryst, Pharming, Amgen, Celldex, Ionis, Biomarin, Lavista, ONO, Escient, Astria, Cycle, TLL, Merck; Consultant for Pharvaris SB – speaker and advisory board Novartis. MH – speaker and/or advisory for and/or received research funding Kaen, Kyorin, Kyowa Kirin, Mitsubishi-Tanabe, Novartis, Sanofi/Regeneron, Taiho, Teikoku, UCB, Uriach DL – consultant for, carried out clinical research with, and/or received honoraria ARS, AstraZeneca, Bluprint, Genentech, Novartis, Sanofi/Regeneron. ML – speaker/advisory board honoraria – Organon, EcN, Cipla, Abbvie, Glenmark, Sanofi, Pharmadynamics, Bayer. MM – speaker and/or advisory for and/or received research funding Allakos, Alvotech, Amgen, Aquestive, Aralez, AstraZeneca, Bayer, Celldex, Celltrion, Evommune, GSK, Ipsen, Kyowa Kirin, Leo Pharma, Lilly, Menarini, Mitsubishi Tanabe, Pharma, Moxie, Noucor, Novartis, Orion Biotechnology, Resoncance Medicine, Sanofi/Regeneron, Septerna, Trial Form Support International AB, Third HarmonicBio, ValenzaBio, Yuhan Cooperation, Zurabio RS – supported by grants from NIH, Novartis, Sanofi, Regeneron, Allakos, Amgen; served as consultant or advisor Allakos, Genentech, Granular Therapeutics, Novartis, Aquestive, Regeneron, Escient, Innate, Celltrion, Sanofi. GS – research support Aimuune, Amgen, AstraZeneca, DBV Technologies, Genentech, Kedrion S. p.A., Leo Pharma Inc., Novartis, Sanofi, Regeneron, ALK; medical advisory and/or received payment for lectures from Novartis, CSL Behring, Pfizer, Abvie, AstraZeneca, Nuvo Pharmaceuticals, Allergy Asthma and Immunology Society of Ontario. TB – Industry consulting, research grants and/or honoraria Abivax, Allakos, AImmune, Ajanta Pharma, AstraZeneca, AbbVie, ALK, Almirall, Astellas, Bayer Health Care, Bencard, Berlin Chemie, Bio Cryst, Celldex, FAES, HAL, Henkel, Kryolan, Leti, Lofarma, L'Oreal, Meda, Medi Wound, Menarini, Merck, MibeTec, MMV Medicines for Malaria Venture, MSD, Novartis, PCM Scientific, Pfizer, Sanofi, Sanoflore, Stallergenes, Takeda, Teva, UCB."

"Funding statement This study was an investigator-initiated research study funded by Novartis."