Real-life effectiveness and safety of tofacitinib treatment in patients with ulcerative colitis: a KASID multicenter cohort study.

"Seung Hwan Shin, Kyunghwan Oh, Sung Noh Hong, Jungbok Lee, Shin Ju Oh, Eun Soo Kim, Soo-Young Na, Ki Bae Bang, Sang Hyoung Park, and Chang Hwan Choi have no disclosures.: Sang-Bum Kang has received research grants from Celltrion, Chong Kun Dang Pharm, Il-Yang Pharm, Pharmbio Korea, and Taejoon Pharm; consulting fees from AbbVie Korea, Ferring Korea, Janssen Korea, and Takeda Korea; and speaking fees from AbbVie Korea, Celltrion, Ferring Korea, Janssen Korea, Pfizer Korea, Taejoon Pharm, and Takeda Korea.: Seong-Joon Koh has received consulting fees from Daewoong Pharm and Ferring Korea; and speaking fees from AbbVie Korea, Daewoong Pharm, Ferring Korea, Janssen Korea, Korea Pharma, Pfizer Korea, Taejoon Pharm, Takeda Korea, and Yuhan Pharm.: Sung-Ae Jung has received a research grant from SK Chemicals.: Sung Hoon Jung has received a research grant from Celltrion; and speaking fees from AbbVie Korea, Daewoong Pharm, Janssen Korea, Pfizer Korea, and Takeda Korea.: Kyeong Ok Kim has received research grants from Pharmbio Korea and Taejoon Pharm; consulting fees from Daewoong Pharm and IQVIA; and speaking fees from AbbVie Korea, Celltrion, Ferring Korea, Janssen Korea, Pfizer Korea, and Takeda Korea.: Suk-Kyun Yang has received a research grant from Janssen Korea.: Byong Duk Ye has received research grants from Celltrion and Pfizer Korea; consulting fees from AbbVie Korea, BMS Pharmaceutical Korea Ltd., Celltrion, Chong Kun Dang Pharm, CJ Red BIO, Curacle, Daewoong Pharm, Ferring Korea, IQVIA, Janssen Korea, Kangstem Biotech, Korea Otsuka Pharm, Korea United Pharm, Medtronic Korea, NanoEntek, ORGANOIDSCIENCES LTD., Pfizer Korea, Takeda, and Takeda Korea; and speaking fees from AbbVie Korea, Celltrion, Cornerstones Health, Curacle, Ferring Korea, IQVIA, Janssen Korea, Pfizer Korea, and Takeda Korea.: None of these disclosures are directly associated with this study."

"Funding: The authors disclosed receipt of the following financial support for the research, authorship, and/or publication of this article: This research was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (NRF-2021R1A2C2095096)."