An Observational Study of Etrasimod in Adult Patients With Moderate to Severe Ulcerative Colitis

Summary

The purpose of this observational study is to learn about the effects of etrasimod as a treatment for adult patients with moderate to severe ulcerative colitis. Patients will be treated according to standard of care and will only be included in the study if etrasimod is the best treatment of choice according to the physician and they have not previously taken etrasimod. All patients will be prescribed etrasimod according to standard of care. Tests and doctor visits will be conducted according to standard of care with the exception of health questionnaires about ulcerative colitis symptoms.

Shortened from the sponsor's brief summary. View official record on ClinicalTrials.gov

Conditions studied

• Colitis, Ulcerative

Eligibility basics and study details

Study type

Observational

Phase

Not applicable

Ages

18 to 64 years

Sex

All

Healthy volunteers

Not accepted

Sponsor

Pfizer

Last updated on ClinicalTrials.gov

July 9, 2026

These are the basic criteria only. The full inclusion and exclusion criteria are on the official record, and the study team decides who can take part.

US recruiting sites