This is a multicenter, randomized, placebo-controlled study to evaluate the long-term efficacy and safety of ABX464 50mg and 25mg administered once daily (QD) as maintenance therapy in subjects with moderately to severely active ulcerative colitis who have inadequate response, no response, a loss of response, or an intolerance to either conventional therapies \[corticosteroids, immunosuppressant (i.e. azathioprine, 6-mercaptopurine, methotrexate)\] and/or advanced therapies \[biologics (TNF inhibitors, anti-integrins, anti-IL-23), and/or S1P receptor modulators, and/or JAK inhibitors\].
This study is the maintenance phase of both previous induction studies ABX464-105 and ABX464-106.
Protocol Amendment History
10 amendments
This ClinicalTrials.gov record has been amended 10 times since 2022-09-09; most recent amendment 2026-07-03.
Status change: Recruiting → Active, Not Recruiting2025-10-23
Status change: Not Yet Recruiting → Recruiting2023-01-31