A Study of Efficacy and Safety of Rosnilimab in Subjects With Moderate to Severe Ulcerative Colitis (ROSETTA)
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Phase
Phase 2
Status
Active, not recruiting
Study type
Interventional
Design
Randomized · Quadruple · Treatment
Enrollment
132estimated
Sites
100
Countries
Austria, Bulgaria, Canada +12
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2023-12-04 | actual | When the study began enrolling |
| Primary completion | Jan 2026 | estimated | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | May 2026 | estimated | The whole study's end, after follow-up |
| First posted | 2023-11-13 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2025-10-03 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Ulcerative Colitis
Interventions
- Drug: Rosnilimab — also filed as ANB030
- Drug: Placebo
Primary outcome
what the primary-completion date above is the date OFMean change in modified Mayo Score (mMs) from Baseline to Week 12
measured Baseline to Week 12
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