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Search / Trial NCT04996797

A Phase 2 Safety and Efficacy Study of Tulisokibart (MK-7240/PRA023) in Subjects With Moderately to Severely Active Ulcerative Colitis (MK-7240-005)

Launched by PROMETHEUS BIOSCIENCES, INC., A SUBSIDIARY OF MERCK & CO., INC. (RAHWAY, NEW JERSEY USA) · Aug 2, 2021

Trial Information

Current as of August 14, 2025

Completed

Keywords

Artemis Uc Artemis Ulcerative Colitis

ClinConnect Summary

This clinical trial is studying a medication called tulisokibart to see how safe and effective it is for people with moderately to severely active ulcerative colitis (UC), a condition that causes inflammation and ulcers in the digestive tract. The trial lasts for 12 weeks, and after that, participants have the option to continue for an additional 170 weeks. The study is currently active but not recruiting new participants.

To be eligible for this trial, individuals must have a confirmed diagnosis of ulcerative colitis and must experience moderate to severe symptoms. They should also have tried other treatments, like steroids or immunosuppressants, without success. Unfortunately, people with certain other conditions, like Crohn's disease or severe complications from UC, cannot participate. If someone joins the trial, they will receive tulisokibart and will be closely monitored for any side effects and how well the medication works for their symptoms. This study aims to find a better treatment option for those struggling with this challenging condition.

Gender

ALL

Eligibility criteria

  • Inclusion Criteria:
  • The main inclusion criteria include but are not limited to the following:
  • Confirmed diagnosis of ulcerative colitis (UC)
  • Has moderately to severely active UC as defined by 3-component Modified Mayo score
  • Must have corticosteroid dependence or have had no response, insufficient response, loss of response, and/or intolerance to at least one of the following therapies: corticosteroid, immunosuppressants, or an approved anti-tumor necrosis factor (anti-TNF), anti-integrin, anti-interleukin 12/23 (anti-IL12/23), Janus kinase (JAK) inhibitor, Sphingosine 1-phosphate receptor (S1PR) modulator.
  • Exclusion Criteria:
  • The main exclusion criteria include but are not limited to the following:
  • Has diagnosis of Crohn's disease or indeterminate colitis
  • Has current evidence of fulminant colitis, toxic megacolon, bowel perforation, total proctocoloectomy or partial colectomy
  • Has current or impending need for colostomy or ileostomy
  • Has had surgical bowel resection within 3 months before screening
  • Has past or current evidence of definite low-grade or high-grade colonic dysplasia not completely removed

About Prometheus Biosciences, Inc., A Subsidiary Of Merck & Co., Inc. (Rahway, New Jersey Usa)

Prometheus Biosciences, Inc., a subsidiary of Merck & Co., Inc. based in Rahway, New Jersey, is a biopharmaceutical company dedicated to advancing innovative therapies for autoimmune diseases. Leveraging cutting-edge science and a deep understanding of immunology, Prometheus focuses on developing precision medicines that target the underlying mechanisms of disease, aiming to improve patient outcomes and quality of life. With a commitment to research and collaboration, the company is at the forefront of transforming treatment paradigms in the autoimmune space, contributing to Merck's broader mission of transforming healthcare through scientific excellence.

Locations

Mobile, Alabama, United States

Phoenix, Arizona, United States

Sun City, Arizona, United States

Los Angeles, California, United States

San Diego, California, United States

Bristol, Connecticut, United States

Atlanta, Georgia, United States

Arlington Heights, Illinois, United States

Glenview, Illinois, United States

Gurnee, Illinois, United States

Kansas City, Kansas, United States

Liberty, Kansas, United States

Baton Rouge, Louisiana, United States

Chevy Chase, Maryland, United States

Chesterfield, Michigan, United States

Lebanon, New Hampshire, United States

New York, New York, United States

Dublin, Ohio, United States

Germantown, Tennessee, United States

Bedford, Texas, United States

Lubbock, Texas, United States

Mansfield, Texas, United States

San Antonio, Texas, United States

Southlake, Texas, United States

Tyler, Texas, United States

Charlottesville, Virginia, United States

Tacoma, Washington, United States

Woodville, Adelaide, Australia

Kingswood, New South Wales, Australia

Old Toongabbie, New South Wales, Australia

South Brisbane, Queensland, Australia

Woolloongabba, Queensland, Australia

Adelaide, South Australia, Australia

Fitzroy, Victoria, Australia

Melbourne, Victoria, Australia

Leuven, , Belgium

Liège, , Belgium

Calgary, Alberta, Canada

Vancouver, British Columbia, Canada

Halifax, Nova Scotia, Canada

North York, Ontario, Canada

Brno, , Czechia

Hradec Králové, , Czechia

Olomouc, , Czechia

Slaný, , Czechia

Clichy, , France

Lille, , France

Nice, , France

Pierre Bénite, , France

Saint Priest En Jarez, , France

Vandœuvre Lès Nancy, , France

Tbilisi, , Georgia

Győr, Gyor Moson Sopron, Hungary

Bekescsaba, , Hungary

Budapest, , Hungary

Budapest, , Hungary

Afula, , Israel

Be'er Sheva, , Israel

H̱olon, , Israel

Jerusalem, , Israel

Petah Tikva, , Israel

Bologna, Emilia Romagna, Italy

Milano, Milan, Italy

Roma, Rome, Italy

Poznań, Greater Poland, Poland

Wloclawek, Kuuavian Pomeranian, Poland

Kraków, Lesser Poland, Poland

Wrocław, Lower Silesian, Poland

Warszawa, Masovia, Poland

Katowice, Silesian, Poland

Lublin, , Poland

Rzeszów, , Poland

Sopot, , Poland

Szczecin, , Poland

Toruń, , Poland

Warsaw, , Poland

Warsaw, , Poland

łódź, , Poland

Prescot, Merseyside, United Kingdom

London, , United Kingdom

Patients applied

0 patients applied

Trial Officials

Medical Director

Study Director

Merck Sharp & Dohme LLC

Timeline

First submit

Trial launched

Trial updated

Estimated completion

Not reported

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