New drug aimed at gut inflammation shows promise in early trial
NCT ID NCT05731128
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether dupilumab can help people with moderate to severe ulcerative colitis that has a certain type of immune cell activity (eosinophilic phenotype). About 68 adults will receive either dupilumab or a placebo for 52 weeks. The main goal is to see if symptoms and gut inflammation improve by week 24.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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68 people
The number who actually took part.
- Started
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Jan 2023
- Expected to finish
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Feb 2027
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Participants must be ≥18 years of age at the time of signing the informed consent. * Evidence of biomarker enrichment at time of screening. * Moderately to severely active UC, defined as a baseline modified Mayo score of 5 to 9, inclusive, using the Mayo endoscopic subscore assigned during the concurrent local and central reading of the video endoscopy. * Has a screening endoscopy with ≥2 endoscopic subscore in the Mayo score component assessment as determined by concurrent local and central reading of the video endoscopy. * Has a baseline rectal bleeding subscore of ≥1 and baseline a stool frequency score of ≥1 as determined by the Mayo score component assessment. * Participants with inadequate response/non-response, loss of response, or are intolerant of standard biologic therapy for their UC AND/OR Inadequate or non-responders, have shown loss of response, or are intolerant to at least 1 of the following treatments: oral corticosteroids (≤20 mg/day), 5-aminosalicylic acid (ASA) compounds, immunomodulators, small molecules. Exclusion Criteria: Participants are excluded from the study if any of the following criteria apply: * Severe extensive colitis as evidenced by: * Current hospitalization * Likely to require surgery for the treatment of UC within 12 weeks of Screening Visit * UC limited to the rectum only or to \<20 cm of the colon as determined by central reading. * Presence of an ileal pouch, ostomy, stoma or fistula or history of a fistula. * Require, or required within the 2 months before screening, surgery for active gastrointestinal bleeding, peritonitis, intestinal obstruction, or intra-abdominal or pancreatic abscess requiring surgical drainage, or other conditions possibly confounding the evaluation of benefit from study agent treatment. * Has a prior medical history of eosinophilic colitis. * Participants with abdominal abscess, fulminant disease, or toxic megacolon. * Participants with intestinal failure or short bowel syndrome. * Presence of symptomatic colonic or small bowel obstruction, confirmed by objective radiographic or endoscopic evidence of a stricture with resulting obstruction (dilation of the colon or small bowel proximal to the stricture on barium radiograph or an inability to traverse the stricture at endoscopy). * History of extensive colonic resection (eg, less than 30 cm of colon remaining) that would prevent adequate evaluation of the effect of study agent on clinical disease activity. * History of colonic mucosal dysplasia or presence of adenomatous colonic polyps not removed OR presence of colonic mucosal dysplasia or adenomatous colonic polyps not removed during colonoscopy at 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. * Diagnosis of indeterminate colitis, microscopic colitis, ischemic colitis, or Crohn's disease or clinical findings suggestive of Crohn's disease. The above information is not intended to contain all considerations relevant to a patient's potential participation in a clinical trial.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Advanced Gastroenterology Associates - Decatur- Site Number : 8400047
Decatur, Texas, 76234, United States
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Advanced Research Institute - New Port Richey- Site Number : 8400026
New Port Richey, Florida, 34653, United States
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Care Access - Lumberton- Site Number : 8400018
Lumberton, North Carolina, 28358, United States
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Clinical Trials Management Services - Thousand Oaks- Site Number : 8400034
Thousand Oaks, California, 91360, United States
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DiGiovanna Family Care- Site Number : 8400006
Massapequa, New York, 11758, United States
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Digestive Disease Consultants - Orange Park- Site Number : 8400042
Orange Park, Florida, 32073, United States
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Digestive Health Specialists of Tyler- Site Number : 8400031
Tyler, Texas, 75701, United States
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GCP Clinical Research- Site Number : 8400014
Tampa, Florida, 33609, United States
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GI Pros- Site Number : 8400046
Naples, Florida, 34102, United States
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Gastroenterology Consultants - Roswell- Site Number : 8400022
Roswell, Georgia, 30076, United States
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Homestead Associates in Research- Site Number : 8400004
Homestead, Florida, 33033, United States
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Investigational Site Number : 0320001
San Miguel de Tucumán, Tucumán Province, 4000, Argentina
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Investigational Site Number : 0320002
Buenos Aires, 1125, Argentina
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Investigational Site Number : 0320004
San Miguel de Tucumán, Tucumán Province, 4000, Argentina
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Investigational Site Number : 0320006
Mar del Plata, Buenos Aires, 7600, Argentina
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Investigational Site Number : 0320007
Buenos Aires, 1028, Argentina
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Investigational Site Number : 0320008
Buenos Aires, 1119, Argentina
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Investigational Site Number : 1240003
Montreal, Quebec, H3G 1A4, Canada
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Investigational Site Number : 1240006
Montreal, Quebec, H1T 2M4, Canada
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Investigational Site Number : 1240007
Edmonton, Alberta, T5R 1W2, Canada
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Investigational Site Number : 1240010
Scarborough Village, Ontario, M1B 3V4, Canada
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Investigational Site Number : 1520001
Concepción, Biobio, 4070038, Chile
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Investigational Site Number : 1520002
Santiago, Reg Metropolitana de Santiago, 8380456, Chile
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Investigational Site Number : 1520003
Santiago, Reg Metropolitana de Santiago, 8330034, Chile
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Investigational Site Number : 1520005
Santiago, Reg Metropolitana de Santiago, 7620001, Chile
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Investigational Site Number : 1520006
Santiago, Reg Metropolitana de Santiago, 8360156, Chile
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Investigational Site Number : 1580002
Taichung, 404, Taiwan
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Investigational Site Number : 3920001
Sapporo, Hokkaido, 065-0033, Japan
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Investigational Site Number : 3920002
Sapporo, Hokkaido, 004-0041, Japan
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Investigational Site Number : 3920004
Bunkyo, Tokyo, 113-8510, Japan
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Investigational Site Number : 3920005
Kashiwa, Chiba, 277-0871, Japan
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Investigational Site Number : 3920006
Nagoya, Aichi-ken, 451-8511, Japan
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Investigational Site Number : 3920007
Kyoto, 605-0981, Japan
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Investigational Site Number : 3920008
Kitakyushu, Fukuoka, 802-0077, Japan
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Investigational Site Number : 3920009
Saitama, 336-0963, Japan
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Investigational Site Number : 3920010
Shimizu, Shizuoka, 411-0905, Japan
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Investigational Site Number : 3920011
Kamakura, Kanagawa, 247-0056, Japan
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Investigational Site Number : 4100002
Wŏnju, Gangwon-do, 26426, South Korea
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Investigational Site Number : 4100003
Haeundae-gu, Busan, 48108, South Korea
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Investigational Site Number : 4100004
Daegu, Gyeongsangbuk-do, 42415, South Korea
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Investigational Site Number : 4100005
Daegu, Daegu, 41944, South Korea
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Investigational Site Number : 4100006
Daejeon, Daejeon, 34943, South Korea
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Investigational Site Number : 4840002
Torreón, Coahuila, 27000, Mexico
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Investigational Site Number : 4840003
Chihuahua City, 31000, Mexico
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Investigational Site Number : 4840004
Mexico City, Mexico City, 01120, Mexico
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Investigational Site Number : 4840005
Saltillo, Coahuila, 25020, Mexico
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Investigational Site Number : 4840007
Guadalajara, Jalisco, 44100, Mexico
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Investigational Site Number : 7100001
Johannesburg, 2193, South Africa
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Investigational Site Number : 7100002
Cape Town, 7708, South Africa
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Investigational Site Number : 7100003
Port Elizabeth, 6045, South Africa
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Investigational Site Number : 7100004
Pretoria, 0002, South Africa
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Investigational Site Number : 7100005
Cape Town, 7405, South Africa
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Investigational Site Number : 7100006
Johannesburg, 1821, South Africa
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Investigational Site Number : 7100007
Cape Town, 7800, South Africa
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Investigational Site Number : 7100008
Kempton Park, 1619, South Africa
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Investigational Site Number : 7100009
Cape Town, 7500, South Africa
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Investigational Site Number : 7920001
Mersin, 33070, Turkey (Türkiye)
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Investigational Site Number : 7920003
Gaziantep, 27310, Turkey (Türkiye)
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Investigational Site Number : 7920005
Istanbul, 34734, Turkey (Türkiye)
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Investigational Site Number : 7920006
Zonguldak, 67000, Turkey (Türkiye)
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Katy Integrative Gastroenterology- Site Number : 8400027
Katy, Texas, 77494, United States
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Medrasa Clinical Research - Medrasa Sherman- Site Number : 8400039
Sherman, Texas, 75092, United States
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Om Research - Oxnard- Site Number : 8400028
Oxnard, California, 93036, United States
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Om Research- Site Number : 8400029
Apple Valley, California, 92307, United States
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Palmtree Clinical Research- Site Number : 8400048
Palm Springs, California, 92262, United States
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Sanmora Bespoke Clinical Research Solutions- Site Number : 8400043
East Orange, New Jersey, 07018, United States
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Smart Medical Research - New York- Site Number : 8400037
Jackson Heights, New York, 11372, United States
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TLC Clinical Research- Site Number : 8400020
Beverly Hills, California, 90211, United States
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Tellabio International Research Services- Site Number : 8400041
Pembroke Pines, Florida, 33025, United States
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Texas Digestive Disease Consultants - Southlake- Site Number : 8400013
Southlake, Texas, 76092, United States
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Tryon Medical Partners - Charlotte - Piedmont Row Drive South- Site Number : 8400008
Charlotte, North Carolina, 28287, United States
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UPMC Presbyterian- Site Number : 8400038
Pittsburgh, Pennsylvania, 15213, United States
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University of Puerto Rico - Medical Sciences Campus- Site Number : 6300002
San Juan, 00936, Puerto Rico
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Victoria Gastroenterology- Site Number : 8400019
Victoria, Texas, 77904, United States
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Washington Gastroenterology - Bellevue- Site Number : 8400025
Bellevue, Washington, 98004, United States
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Washington Gastroenterology - Tacoma- Site Number : 8400030
Tacoma, Washington, 98405, United States
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Wellness Clinical Research - Miami Lakes - 8181 Northwest 154th Street- Site Number : 8400009
Miami Lakes, Florida, 33016, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a new pill tame inflammatory bowel disease?
- Could a 15-Minute ultrasound replace the scope for IBD monitoring?
- Can a new injection plus a pill tame ulcerative colitis?
- Can a new biologic tame ulcerative colitis?
- Can a Real-World study reveal the staying power of guselkumab?
- Can a new biologic calm the immune attack in ulcerative colitis?