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Authors
Ishii, Ryotaro https://orcid.org/0000-0002-6976-1081
Kitano, Takahiro https://orcid.org/0009-0002-2467-3149
Iijima, Masahiro https://orcid.org/0000-0002-3462-1652
Nagano, Mitsuhiro https://orcid.org/0009-0005-6796-2268
Yoshikawa, Reiko https://orcid.org/0000-0003-2341-3601
Jackson, James https://orcid.org/0000-0002-4171-5390
Barlow, Sophie https://orcid.org/0000-0001-5604-1360
Green, Emily https://orcid.org/0009-0003-1689-6614
Whitton, William https://orcid.org/0009-0004-8342-2125
Hargreaves, Lucy https://orcid.org/0009-0000-7925-8175
Togo, Kanae https://orcid.org/0000-0003-3964-4009
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Funding
Funding for this research was provided by:
Pfizer Japan
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Article History
Received: 28 May 2025
Accepted: 30 July 2025
First Online: 19 August 2025
Declarations
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: Ryotaro Ishii has served as a consultant for Amgen K.K., Eli Lilly Japan K.K., Daiichi Sankyo Co., Ltd., Pfizer Japan Inc., and Otsuka Pharmaceutical Co., Ltd. He has received speaker honoraria from Amgen K.K., Daiichi Sankyo Co., Ltd., and Otsuka Pharmaceutical Co., Ltd. Takahiro Kitano, Masahiro Iijima, Mitsuhiro Nagano, Reiko Yoshikawa, and Kanae Togo are employees of Pfizer Japan Inc. Masahiro Iijima and Kanae Togo are shareholders of Pfizer Inc. James Jackson, Sophie Barlow, Emily Green, William Whitton, and Lucy Hancock are employees of Adelphi Real World.
: Data collection was undertaken in line with European Pharmaceutical Marketing Research Association guidelines and as such did not require ethics committee approval. The survey materials were submitted to the PEARL Institutional Review Board (Ref #22-ADRW-143) and deemed to be exempt. In addition, each survey was performed in full accordance with relevant legislation at the time of data collection, including the Helsinki Declaration of 1964 and its later amendments. Using a checkbox, patients provided informed consent to take part in the survey and for the use of their data in scientific publications. No identifiable protected health information was extracted during the survey. Data were collected in such a way that patients and physicians could not be identified directly, with data aggregated before being shared with the subscriber and/ or for publication.
