RecruitingPhase 2NCT06975722

A Study to Investigate the Efficacy and Safety of SAR442970 in Adult Participants With Ulcerative Colitis

A Phase 2b, Multi-national, Multi-center, Randomized, Double-blind, Placebo-controlled, Dose-ranging Study Followed by a Long-term Extension to Evaluate the Efficacy and Safety of SAR442970 in Adult Participants With Moderate to Severe Ulcerative Colitis


Sponsor

Sanofi

Enrollment

99 participants

Start Date

Jul 7, 2025

Study Type

INTERVENTIONAL

Conditions

Summary

This is a phase 2b, randomized, double-blind, 3-arm study for the treatment of Ulcerative Colitis. The primary objective of this study is to assess the efficacy of different doses of SAR442970 compared with placebo in participants with moderate to severe Ulcerative Colitis. The total study duration is up to 168 weeks, with a treatment period of up to 158 weeks including an open-label (OL) long-term extension (LTE) period of up to 104 weeks for eligible participants.


Eligibility

Min Age: 18 YearsMax Age: 75 Years

Inclusion Criteria8

  • Participants are eligible to be included in the study only if all of the following criteria apply:
  • Male or female participants aged 18 to 75 years inclusive, at the time of signing the informed consent
  • Participants who have had clinical evidence of active UC for ≥3 months before screening and confirmed by endoscopy during the screening period
  • Must have 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, mMES ≥2 confirmed by central reader, a minimum sum of all subscores of 5, and a minimum disease extent of 15 cm from the anal verge
  • Must have received prior treatment for UC (either "a" or "b" below or combination of both):
  • History of inadequate response to, loss of response to or intolerance to standard treatment with any of the following compounds: amino-salicylates, corticosteroids, methotrexate, azathioprine, or 6-mercaptopurine, or history of corticosteroid dependence (defined as an inability to successfully taper corticosteroids without recurrence of UC) AND history of no prior exposure to Advanced Therapies (ATs), such as a biologic agent used to treat UC or advanced small molecules used to treat UC
  • History of inadequate response to, loss of response to or intolerance to treatment with ≥1 approved AT such as a biologic agent used to treat UC or advanced small molecules used to treat UC
  • Contraceptive use by men and women should be consistent with local regulations regarding the methods of contraception for those participating in clinical studies

Exclusion Criteria22

  • Participants are excluded from the study if any of the following criteria apply:
  • Participants with active Crohn's Disease (CD), indeterminate colitis or microscopic colitis
  • Participants with fecal sample positive for culture/ova for aerobic pathogens or positive for Clostridium difficile B toxin in stools
  • Participant with ostomy or ileoanal pouch, prior colectomy or anticipated colectomy during their participation in the study
  • Participants with the following ongoing known complications of UC: fulminant disease, toxic megacolon or colonic dysplasia except for adenoma
  • Participants with intestinal failure or short bowel syndrome requiring Total Parenteral Nutrition
  • History of recurrent or recent serious infection within 4 weeks of screening, or infection(s) requiring hospitalization or treatment with IV anti-infectives within 30 days prior to baseline, or infections(s) requiring oral anti-infectives within 14 days prior to baseline, except as required as part of an anti-Tuberculosis (TB) regimen
  • Known history of or suspected significant current immunosuppression.
  • History or solid organ transplant or splenectomy
  • History of moderate to severe congestive heart failure (New York Health Association Class III or IV), or recent cerebrovascular accident.
  • History of demyelinating disease (including myelitis) or neurologic symptoms suggestive of demyelinating disease
  • Participants with a history of malignancy or lymphoproliferative disease other than adequately treated localized carcinoma in situ of the cervix or nonmetastatic squamous cell carcinoma, or nonmetastatic basal cell carcinoma of the skin
  • Participants with a diagnosis of inflammatory conditions other than UC (including but not limited to systemic lupus erythematosus, systemic sclerosis, myositis, rheumatoid arthritis, primary biliary cirrhosis, multiple sclerosis, Behcet's disease, sarcoidosis, etc.)
  • History of Human Immunodeficiency Virus (HIV) infection or positive HIV serology at Screening
  • History of Interstitial Lung Disease
  • Participants with any of the following results at Screening:
  • Positive (or indeterminate) Hepatitis B surface antigen (HBs Ag) or,
  • Positive total Hepatitis B core antibody (anti-HBc) confirmed by positive Hepatitis B Virus (HBV) Deoxyribonucleic acid (DNA) or,
  • Positive Hepatitis C Virus (HCV) antibody
  • Screening laboratory and other analyses showing abnormal results
  • History of any other condition which, in the opinion of the Investigator, would put the participant at risk by participation in the protocol
  • The above information is not intended to contain all considerations relevant to a participant's potential participation in a clinical trial.

Interventions

DRUGSAR442970

Route of administration: Subcutaneous

DRUGPlacebo

Route of administration: Subcutaneous


Locations(65)

Investigational Site Number: 8400009

Escondido, California, United States

Investigational Site Number: 8400006

Lancaster, California, United States

Investigational Site Number: 8400025

Thousand Oaks, California, United States

Investigational Site Number: 8400024

Jacksonville, Florida, United States

Investigational Site Number: 8400030

Kissimmee, Florida, United States

Investigational Site Number: 8400003

Lighthouse PT, Florida, United States

Investigational Site Number: 8400001

Miami, Florida, United States

Investigational Site Number: 8400011

Miami, Florida, United States

Investigational Site Number: 8400010

Palmetto Bay, Florida, United States

Investigational Site Number: 8400019

Tampa, Florida, United States

Investigational Site Number: 8400018

Marietta, Georgia, United States

Investigational Site Number: 8400005

Iowa City, Iowa, United States

Investigational Site Number: 8400017

Boston, Massachusetts, United States

Investigational Site Number: 8400012

Wyoming, Michigan, United States

Investigational Site Number: 8400014

St Louis, Missouri, United States

Investigational Site Number: 8400021

New York, New York, United States

Investigational Site Number: 8400029

Queens Village, New York, United States

Investigational Site Number: 8400002

Chapel Hill, North Carolina, United States

Investigational Site Number: 8400013

Harrisburg, Pennsylvania, United States

Investigational Site Number: 8400023

Houston, Texas, United States

Investigational Site Number: 8400007

Ogden, Utah, United States

Investigational Site Number: 0360003

Brisbane, Queensland, Australia

Investigational Site Number: 0360001

Clayton, Victoria, Australia

Investigational Site Number: 1560004

Huizhou, Ghangdong, China

Investigational Site Number: 1560005

Guangzhou, Guangdong, China

Investigational Site Number: 1560002

Nanjing, Jiangsu, China

Investigational Site Number: 1560008

Suzhou, Jiangsu, China

Investigational Site Number: 1560003

Wuxi, Jiangsu, China

Investigational Site Number: 1560001

Hangzhou, China

Investigational Site Number: 1560007

Ningbo, China

Investigational Site Number: 2030001

Brno, JM, Czechia

Investigational Site Number: 2030002

Slaný, Czechia

Investigational Site Number: 2500002

Lille, France

Investigative Site: 2500006

Nice, France

Investigational Site Number: 2500005

Pierre-Bénite, France

Investigational Site Number: 2500001

Saint-Priest-en-Jarez, France

Investigational Site Number: 2500003

Toulouse, France

Investigational Site Number: 2500004

Vandœuvre-lès-Nancy, France

Investigational Site Number: 2760001

Minden, Northwest, Germany

Investigational Site Number: 2760005

Kiel, Schleswig-Holstein, Germany

Investigational Site Number: 3480003

Budapest, Hungary

Investigational Site Number: 3480002

Budapest, Hungary

Investigational Site Number: 3480001

Vác, Hungary

Investigational Site Number: 3920002

Kashiwa, Chiba, Japan

Investigational Site Number: 3920006

Ōita, Oita Prefecture, Japan

Investigational Site Number: 3920005

Hamamatsu, Japan

Investigational Site Number: 3920003

Hirosaki, Japan

Investigational Site Number: 3920001

Morioka, Japan

Investigational Site Number: 3920004

Nishinomiya, Japan

Investigational Site Number: 4980001

Chisinau, Moldova

Investigational Site Number: 6160006

Wroclaw, Lower Silesian Voivodeship, Poland

Investigational Site Number: 6160002

Bydgoszcz, Poland

Investigational Site Number: 6160009

Chojnice, Poland

Investigational Site Number: 6160007

Katowice, Poland

Investigational Site Number: 6160005

Sopot, Poland

Investigational Site Number: 6160008

Tychy, Poland

Investigational Site Number: 6160004

Warsaw, Poland

Investigational Site Number: 6160003

Warsaw, Poland

Investigational Site Number: 6160001

Wroclaw, Poland

Investigational Site Number: 7240001

Las Palmas de Gran Canaria, Spain

Investigational Site Number: 7240002

Madrid, Spain

Investigational Site Number: 8260002

Northwich, CHW, United Kingdom

Investigational Site Number: 8260003

Bury, United Kingdom

Investigational Site Number: 8260001

London, United Kingdom

Investigational Site Number: 8260004

London, United Kingdom

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NCT06975722


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