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Completed Phase 3 Interventional Results available

ABTECT-1 - ABX464 Treatment Evaluation for Ulcerative Colitis Therapy -1

ClinicalTrials.gov ID: NCT05507203

Public ClinicalTrials.gov record NCT05507203. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 6:35 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Randomized, Double-blind, Placebo-controlled, Multicenter Phase III Study to Evaluate the Efficacy and Safety of ABX464 Once Daily for Induction Treatment in Subjects With Moderately to Severely Active Ulcerative Colitis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This is a multicenter, randomized, placebo controlled study to evaluate the efficacy and safety of ABX464 given at 25 or 50 mg QD in inducing clinical remission 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 \[biologics (TNF inhibitors, anti-integrins, anti-IL-23), and/or S1P receptor modulators, and/or JAK inhibitors\].

Study identification

NCT ID
NCT05507203
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Abivax S.A.
Industry
Enrollment
639 participants

Conditions and interventions

Interventions

Drug

Eligibility (public fields only)

Age range
16 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 16, 2022 (Actual)
Primary completion
Jun 24, 2025 (Actual)
Completion
Jun 25, 2025 (Actual)
Last update posted
Sep 10, 2026

2022 – 2025

United States locations

U.S. sites
54
U.S. states
19
U.S. cities
48
Facility City State ZIP Site status
Digestive Health Specialists of the Southeast Dothan Alabama 36305 —
Lakeview Clinical Research Guntersville Alabama 35976 —
Birmingham Digestive Health Research Homewood Alabama 35209 —
GI Alliance Sun City Arizona 85351 —
Del Sol Research Management, LLC Tucson Arizona 85715 —
Gastro Care Institute Lancaster California 93534 —
California Medical Research Associates Inc. Northridge California 91324 —
Clinnova Research Solutions Orange California 92868 —
Peak Gastroenterology Associates Colorado Springs Colorado 80907 —
Clinical Research Of Brandon, LLC Brandon Florida 33511 —
Access Research Institute Brooksville Florida 34613 —
Nature Coast Clinical Research - Inverness Inverness Florida 34452 —
Auzmer Research Lakeland Florida 33813 —
Medical Professional Clinical Research Center Miami Florida 33165 —
Advanced Research Institute, Inc. New Port Richey Florida 34653 —
Endoscopic Research, Inc. Orlando Florida 32803 —
Orlando Health-Orlando Regional Medical Center Orlando Florida 32806 —
Advanced Research Institute, Inc. Orlando Florida 32825 —
Gastroenterology Associates of Pensacola, PA Pensacola Florida 32503 —
Theia Clinical Research Centers, LLC Temple Terrace Florida 33617 —
One Health Research Clinic Atlanta, LLC Norcross Georgia 30093 —
Eagle Clinical Research Chicago Illinois 60621 —
GI Alliance Glenview Illinois 60026 —
GI Alliance Gurnee Illinois 60031 —
Indiana University School of Medicine Indianapolis Indiana 46202 —
University of Kansas Medical Center Research Institute, Inc. Kansas City Kansas 66160 —
Lucida Clinical Trials LLC New Bedford Massachusetts 02740 —
Dartmouth-Hitchcock Medical Center Lebanon New Hampshire 03756 —
Rochester Clinical Research Rochester New York 14609 —
Charlotte Gastroenterology and Hepatology, P.L.L.C Charlotte North Carolina 28207 —
Care Access Research Lumberton Lumberton North Carolina 28358 —
Wexner Medical Center Columbus Ohio 43210 —
DSI Research LLC Springboro Ohio 45066 —
Gastroenterology Center of the MidSouth PC Germantown Tennessee 38138 —
GI Alliance - Southlake Austin Texas 76092 —
Central Texas Clinical Research, LLC Austin Texas 78705 —
Novel Research LLC Bellaire Texas 77401 —
Texas Digestive Disease Consultants Cedar Park Texas 78613 —
Baylor Scott and White Dallas Texas 75246 —
Cook Children's Medical Center Fort Worth Texas 76104 —
GI Alliance - Garland Garland Texas 75044 —
Baylor College Of Medicine Houston Texas 77030 —
Houston Methodist Hospital Houston Texas 77030 —
Biopharma Informatic, Inc. Research Center Houston Texas 77043 —
Biopharma Informatic, LLC Houston Texas 77084 —
Gastro Health & Nutrition Katy Texas 78754 —
Lubbock Digestive Disease Associates Lubbock Texas 79410 —
GI Alliance -Gurnee Mansfield Texas 76063 —
Digestive Research of Central Texas, LLC Waco Texas 76301 —
GI Alliance - Webster Webster Texas 77598 —
Care Access Research LLC Ogden Utah 84403 —
University of Utah Salt Lake City Utah 84112 —
Blue Ridge Medical Research Lynchburg Virginia 24502 —
University of Washington Seattle Washington 98195 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 210 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05507203, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Sep 10, 2026 · Synced Oct 19, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT05507203 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →