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A Study of the Efficacy and Safety of Guselkumab in Participants with Moderately to Severely Active Ulcerative Colitis

A Phase 2b/3, Randomized, Double-blind, Placebo-controlled, Parallel-group, Multicenter Protocol to Evaluate the Efficacy and Safety of Guselkumab in Participants with Moderately to Severely Active Ulcerative Colitis - QUASAR

Status
Active, not recruiting
Phases
Phase 2Phase 3
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2018-004002-25-PL
Enrollment
1000
Registered
2019-08-07
Start date
2019-09-29
Completion date
Unknown
Last updated
2024-08-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Moderately to Severely Active Ulcerative Colitis MedDRA version: 20.1 Level: LLT Classification code 10045365 Term: Ulcerative colitis System Organ Class: 10017947 - Gastrointestinal disorders

Interventions

Sponsors

Janssen-Cilag International NV
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Male or female, 18 years of age or older 2. Documented diagnosis of UC at least 3 months before screening 3. Moderately to severely active UC as defined by baseline modified Mayo score 4. History of inadequate response to or failure to tolerate conventional or advanced therapy as defined in the protocol 5. Screening laboratory test results within the study protocol defined parameters Please see section 5.1 in the protocol for all inclusion criteria. Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range 935 F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range 65

Exclusion criteria

Exclusion criteria: 1. Severe extensive colitis as defined in the study protocol 2. UC limited to the rectum only 3. Presence of a stoma 4. Presence or history of a fistula 5. Presence of symptomatic colonic or small bowel obstruction 6. History of extensive colonic resection 7. History of colonic mucosal dysplasia 8. Indeterminate colitis, microscopic colitis, ischemic colitis, or Crohn's disease or clinical findings suggestive of Crohn's disease. Please see section 5.2 in the protocol for all exclusion criteria.

Design outcomes

Primary

MeasureTime frame
Main Objective: To evaluate the efficacy and safety of guselkumab in moderately to severely active UC.;Secondary Objective: - To evaluate the impact of guselkumab on health-related quality of life (HRQoL) and health economics outcome measures. - To evaluate the PK, immunogenicity, and pharmacodynamics (PD) of guselkumab therapy, including changes in C-reactive protein (CRP) and fecal calprotectin. ;Primary end point(s): Clinical Response at Induction Week 12 ;Timepoint(s) of evaluation of this end point: Week 12

Secondary

MeasureTime frame
Secondary end point(s): - Clinical remission at Week I-12. - Symptomatic remission at Week I-12. - Endoscopic healing at Week I-12. - Histologic-endoscopic mucosal healing at Week I-12. - Endoscopic normalization at Week I-12. A complete list of the efficacy endpoints is provided in Section 9.4.1.1.;Timepoint(s) of evaluation of this end point: Week 44 for maintenance study Week 12 for induction study

Countries

Argentina, Australia, Austria, Belgium, Bulgaria, Canada, China, Czechia, France, Germany, Hong Kong, Hungary, Israel, Italy, Japan, Korea, Republic of, Latvia, Malaysia, Netherlands, Poland, Portugal, Russian Federation, Slovakia, Spain, Sweden, Taiwan, Thailand, Türkiye, Ukraine, United Kingdom, United States

Contacts

Public ContactClinical Registry group

Janssen Biologics B.V.

ClinicalTrialsEU@its.jnj.com+31715242166

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026