BridgeMD
A study to investigate efficacy and safety of SAR441566 in patients with ulcerative colitis
EU CTIS ID: 2025-520705-12-00
What this study is testing
To assess efficacy of different doses of SAR441566 on clinical remission in participants with moderate-to-severe Ulcerative Colitis (UC)
- Therapeutic exploratory (Phase II)
A plain-language read of the study's public EU CTIS listing. The study team confirms the details.
Who can take part
You may be able to join if
- Male or female participants aged 18 to 75 years inclusive, at the time of signing the informed consent
- Participants who have clinical evidence of active UC for ≥3 months before screening and confirmed by endoscopy during the screening period
- Active moderate-to-severe UC at screening as defined by a modified Mayo Score (mMS) of 5 to 9 (without the Physician global Assessment (PGA), with a minimum rectal bleeding (RB) subscore ≥1, a minimum stool frequency (SF) subscore ≥1, a mMES ≥2 confirmed by central reader, a minimum sum of all subscores of 5, and a disease extent >15 cm from the anal verge
- · Must have received prior treatment for UC (either “a” or “b” below or a combination of both “a” and “b”): a) History of no prior exposure to approved Advanced Therapy (AT), but having inadequate response to, loss of response to or intolerance to standard treatment with any of the following : 5-ASA, thiopurines (eg.6-MP, AZA), MTX, oral or intravenous (IV) corticosteroids or history of corticosteroid dependence (defined an inability to successfully taper corticosteroids without recurrence of UC) OR b) History of inadequate response to, loss of response to or intolerance to treatment with ≥1 approved AT such as a biologic agent (eg. TNF antagonists, anti-integrin other than natalizumab, anti-IL-12/23, anti-IL-23, or a small molecule (such as a JAKi or S1PRm) for UC
- Contraceptive use by men and women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
You likely can't join if
- Participants with active CD, indeterminate colitis, ischemic colitis, microscopic colitis
- Screening laboratory and other analyses show abnormal results
- Participants with the following ongoing known complications of UC: fulminant colitis, toxic megacolon, or any other manifestation that might require bowel surgery while enrolled in the study
- Participant with prior colectomy, ostomy or ileoanal pouch, or anticipated colectomy during their participation in the study
- Participants with fecal sample positive for ova or parasites, bacterial pathogens, or positive for Clostridium difficile B toxin in stools
- Participants with active tuberculosis (TB) or a history of incompletely treated active TB or latent TB infection per local guidelines
See the full eligibility criteria
Who can join
- Male or female participants aged 18 to 75 years inclusive, at the time of signing the informed consent
- Participants who have clinical evidence of active UC for ≥3 months before screening and confirmed by endoscopy during the screening period
- Active moderate-to-severe UC at screening as defined by a modified Mayo Score (mMS) of 5 to 9 (without the Physician global Assessment (PGA), with a minimum rectal bleeding (RB) subscore ≥1, a minimum stool frequency (SF) subscore ≥1, a mMES ≥2 confirmed by central reader, a minimum sum of all subscores of 5, and a disease extent >15 cm from the anal verge
- · Must have received prior treatment for UC (either “a” or “b” below or a combination of both “a” and “b”): a) History of no prior exposure to approved Advanced Therapy (AT), but having inadequate response to, loss of response to or intolerance to standard treatment with any of the following : 5-ASA, thiopurines (eg.6-MP, AZA), MTX, oral or intravenous (IV) corticosteroids or history of corticosteroid dependence (defined an inability to successfully taper corticosteroids without recurrence of UC) OR b) History of inadequate response to, loss of response to or intolerance to treatment with ≥1 approved AT such as a biologic agent (eg. TNF antagonists, anti-integrin other than natalizumab, anti-IL-12/23, anti-IL-23, or a small molecule (such as a JAKi or S1PRm) for UC
- Contraceptive use by men and women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies.
What rules you out
- Participants with active CD, indeterminate colitis, ischemic colitis, microscopic colitis
- Screening laboratory and other analyses show abnormal results
- Participants with the following ongoing known complications of UC: fulminant colitis, toxic megacolon, or any other manifestation that might require bowel surgery while enrolled in the study
- Participant with prior colectomy, ostomy or ileoanal pouch, or anticipated colectomy during their participation in the study
- Participants with fecal sample positive for ova or parasites, bacterial pathogens, or positive for Clostridium difficile B toxin in stools
- Participants with active tuberculosis (TB) or a history of incompletely treated active TB or latent TB infection per local guidelines
- Participants with Positive Hepatitis B surface antigen (HBsAg), or hepatitis B core antibody (HBcAb) and/or hepatitis C virus antibody (HCVAb) at the screening visit
- Participants with any other active, chronic or recurrent infection, including recurrent or disseminated herpes zoster or disseminated herpes simplex
- Participants with a known history of human immunodeficiency virus (HIV) infection or positive HIV-1 or HIV-2 serology at screening
- Participants presenting with active malignancies, lymphoproliferative disease, or recurrence of either, within the 5 years before screening
- History of gastro-intestinal dysplasia other than completely removed low grade dysplasia OR presence of colonic mucosal dysplasia or adenomatous colonic polyps not removed during endoscopy by the time of the screening visit
- If the participant has extensive colitis for ≥8 years or disease limited to left side of colon (ie, distal to splenic flexure) for >10 years, regardless of age, a colonoscopy within 1 year of the screening visit is required to survey for dysplasia. Participants with dysplasia or cancer identified on biopsies will be excluded.
- Female participants who is pregnant, breastfeeding, or is considering becoming pregnant during the study or within 3 months after the last dose of study drug
- Infection(s) requiring treatment with IV anti-infectives within 30 days prior to the screening visit or oral/intramuscular anti-infectives within 14 days prior to the screening visit
- Participants requiring or receiving any parental nutrition and/or exclusive enteral nutrition
- Participants who received cyclosporine, tacrolimus, mycophenolate mofetil, or thalidomide within 30 days prior to screening
- Participants who received fecal microbial transplantation within 30 days prior to screening
- Participants who have ever been exposed to natalizumab (Tysabri®) or oral carotegrast methyl (Carogra®)
- Participants who received IV corticosteroids within 14 days prior to screening or during screening period
The study team makes the final eligibility decision.
Where it's taking place
- Serbia
- Egypt
- Argentina
- Turkey
- Georgia
- Canada
- Chile
- India
- Japan
- Brazil
- South Africa
- Australia
- United States
- China
Questions & answers
Do participants get paid in this trial?
This listing doesn't specify compensation. Many trials still reimburse travel or offer a stipend, so it's worth asking the study team when you connect.
Is it free to join, and do I need insurance?
Searching and applying through BridgeMD is free. In clinical trials the study-related treatment and visits are generally provided at no cost to you. You usually don't need insurance to take part - confirm specifics with the study team.
How long does this study last?
The listing doesn't state an exact length. The study team walks you through the schedule and number of visits before you decide to enroll.
Who can join this trial?
This study is enrolling all sexes, 18-64 years, 65+ years. The study team makes the final eligibility decision.
Where is this trial taking place?
Study sites include Serbia; Egypt; Argentina; Turkey; Georgia; Canada and 8 more location(s). Enter your location above to see the nearest site and check your eligibility.
Explore other conditions
BridgeMD is an information and trial-matching tool - not medical advice, and not the study sponsor. Details come from EU CTIS; the study team decides eligibility.