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Authors
Igarashi, Atsuyuki
Shiraishi, Koichi https://orcid.org/0009-0006-0519-0925
Saito, Shota
Kudo, Tomoya
Iizuka, Yukihiko https://orcid.org/0009-0007-8771-7504
Yamamura, Eiko
Hase, Masakazu
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Funding
Funding for this research was provided by:
UCB
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Article History
Received: 21 January 2026
Accepted: 6 May 2026
First Online: 4 June 2026
Declarations
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: Atsuyuki Igarashi: speaker honoraria from AbbVie, Celgene, Eisai, Eli Lilly, Janssen, Kyowa Kirin, Maruho, Novartis, and Torii Pharmaceutical; research grants from AbbVie, Amgen, Bristol Myers Squibb, Eli Lilly, LEO Pharma, and UCB. Koichi Shiraishi, Yukihiko Iizuka, Eiko Yamamura, and Masakazu Hase: employees of UCB. Shota Saito: employee of CRECON Medical Assessment Inc. at the time of the study and during manuscript preparation; he is currently employed by the University of Niigata Prefecture and employment began during preparation of the manuscript. Tomoya Kudo: employee of CRECON Medical Assessment Inc.
: This study did not require ethical approval, as the analyses performed were based on mathematical modeling with inputs extracted from existing literature or unpublished, aggregated data. All data referenced were anonymized and contained no personal information.
