# Prospective Observational Study of Effectiveness and Safety of Filgotinib in Participants With Ulcerative Colitis (UC)

> **NCT05817942** · — · ACTIVE_NOT_RECRUITING · sponsor: **Alfasigma S.p.A.** · enrollment: 509 (actual)

## Conditions studied

- Ulcerative Colitis

## Interventions

- **DRUG:** Filgotinib

## Key facts

- **NCT ID:** NCT05817942
- **Lead sponsor:** Alfasigma S.p.A.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2023-06-12
- **Primary completion:** 2027-12
- **Final completion:** 2027-12
- **Target enrollment:** 509 (ACTUAL)
- **Last updated:** 2025-12-24


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05817942

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05817942, "Prospective Observational Study of Effectiveness and Safety of Filgotinib in Participants With Ulcerative Colitis (UC)". Retrieved via AI Analytics 2026-06-26 from https://api.ai-analytics.org/clinical/NCT05817942. Licensed CC0.

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