Clinical trial Recruiting at 1 site Observational Ages 18 and up

Guselkumab in Moderate-to-Severe Ulcerative Colitis: Real-World Experience

Official title: Efficacy and Safety of Guselkumab in Patients With Moderate-to-Severe Ulcerative Colitis:A Real-World Prospective Cohort Study.

Run by Second Affiliated Hospital of Wenzhou Medical University · NCT07726888 · Data updated 2026-11-12

This real-world study tests whether guselkumab helps adults with moderate-to-severe ulcerative colitis and how safe it is for them.

More Ulcerative Colitis trials

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment97 (estimated)
SponsorSecond Affiliated Hospital of Wenzhou Medical University
Academic / other
Drugs / interventionsguselkumab
Locations1 site (Wenzhou, Zhejiang)
StatusRecruiting
StartedJuly 31, 2026
Main results expectedDecember 31, 2028
Study endsDecember 31, 2028
Registry record updatedOctober 20, 2026
Trial IDNCT07726888 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults (18+) with moderate-to-severe ulcerative colitis who have had inadequate response or intolerance to at least one conventional therapy and who have baseline data available for disease activity.

Probably not a fit

Patients who do not respond to guselkumab or cannot tolerate it, or who have missing baseline data, may see little or no benefit.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

In a real-world setting, this observational study evaluates the efficacy and safety of guselkumab for ulcerative colitis by looking at multiple outcomes, including clinical, biochemical, endoscopic, histologic, and imaging measures. Eligible adults with moderate-to-severe disease who have not fully responded to traditional therapies are followed to observe response and safety in routine practice. The study uses baseline disease activity data and ongoing assessments to describe how guselkumab performs outside of controlled trials. It is conducted at a single leading center in China with collaboration from a pharmaceutical partner.

Why it matters

Potential benefit: If successful, guselkumab could offer another treatment option that improves symptom control and mucosal healing for patients with ulcerative colitis.

How similar studies have gone: Other real-world studies have described the safety and potential efficacy of anti-IL-23 therapies in ulcerative colitis, though every real-world cohort adds new practical insights.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Age ≥ 18 years.
2. Diagnosis of ulcerative colitis is established based on clinical manifestations, laboratory findings, colonoscopy, radiological imaging (CT or ultrasound), and histopathological examination.
3. Presence of moderate-to-severe disease activity, defined as a modified Mayo score (MMS) ≥ 5 points, accompanied by a rectal bleeding subscore (RBS) ≥ 1 and a Mayo endoscopic subscore (MES) ≥ 2.
4. Inadequate response or intolerance to at least one conventional therapy (5-aminosalicylates, corticosteroids, or immunosuppressants), as assessed by the investigator according to clinical practice.
5. Based on the research cohort requirements, the GUS real-world cohort may include patients who are biologic-naive, have failed first-line therapy, or have failed multiple lines of therapy.
6. Availability of baseline data for disease activity assessment, including symptom scores (partial Mayo score or PRO2), endoscopic evaluation (MES), biochemical markers (C-reactive protein or fecal calprotectin), or imaging parameters (CT or intestinal ultrasonography).
7. Patients enrolled in the prospective GUS cohort are required to provide written informed consent voluntarily.

Exclusion Criteria:

1. Diagnosed with other intestinal diseases, such as Crohn's disease, intestinal tuberculosis, infectious colitis, ischemic colitis or other chronic intestinal inflammatory diseases;
2. If there is an active intestinal infection, and the fecal culture or pathogen test shows positive within 8 weeks before the study (including Clostridium difficile, cytomegalovirus, etc.), and the re-examination turns negative without any signs of persistent infection, a re-evaluation can be conducted.
3. Combined with severe infections, malignant tumors, severe liver and kidney dysfunction, or accompanied by active autoimmune diseases such as systemic lupus erythematosus, rheumatoid arthritis, sarcoidosis, and Graves' disease that may interfere with disease assessment
4. Those who have undergone total colorectal resection or stoma surgery in the past and whose disease activity cannot be evaluated, or are expected to undergo major intestinal surgery during the study period;
5. Has had a severe allergic reaction to monoclonal antibodies;
6. During pregnancy or lactation (can be recorded as an independent cohort but not included in the primary analysis);
7. Severe absence of baseline and follow-up data makes it impossible to determine efficacy or safety.
8. Currently participating in other interventional clinical trials that may interfere with the results of this study.

Where it's running

  • The Second Affiliated Hospital of Wenzhou Medical University
    Wenzhou, Zhejiang, China
    Recruiting

Study contacts

  • Principal investigator: Yi Jiang — Second Affiliated Hospital of Wenzhou Medical University
  • Study coordinator: Yi Jiang, Doctor of Medicine
  • Email: wzjiangyi@yeah.net
  • Phone: +8613676715542

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.