Eligible patients will be identified in regular clinical practice. After providing thorough explanation and obtaining voluntary written informed consent, the clinical course, adverse events, endoscopic findings, and histopathological changes in biopsy specimens after Etrasimod administration will be prospectively collected and analyzed.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
30
2 mg of Etrasimod is orally administered everyday.
Showa Inan General Hospital
Komagane, Nagano, Japan
RECRUITINGPrimary endpoint: Clinical remission rate at 4 weeks (Clinical activity Index score <4) (max.29, min. 0)
Time frame: 4 weeks
Secondary endpoints: Endoscopic improvement rate at 52 weeks (Mayo Endoscopic Subscore (MES) <1 or improved (Ulcerative colitis endoscopic of severity, UCEIS), and incidence of adverse events during the study
MES: Min. 0, Max 3, UCEIS: Min. 0, Max 8
Time frame: 52 weeks
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