Methodological concerns regarding KEYNOTE-199: immortal time bias and treatment attribution challenges in combination immunotherapy
Crossref DOI link: https://doi.org/10.1038/s41391-025-01051-x
Published Online: 2025-11-03
Published Print: 2026-03
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Wang, Zuomin
Liu, Qinwei
Deng, Wangdong https://orcid.org/0009-0007-1856-3951
Text and Data Mining valid from 2025-11-03
Version of Record valid from 2025-11-03
Article History
Received: 29 September 2025
Revised: 15 October 2025
Accepted: 22 October 2025
First Online: 3 November 2025
Competing interests
: The authors declare no competing interests.