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A Study of Guselkumab in Pediatric Participants With Moderately to Severely Active Ulcerative Colitis

(QUASAR Jr)

Sponsored by Janssen Research & Development, LLC

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Current Status

Active, Not Recruiting

Auto-verified from ClinicalTrials.gov

Verified Feb 13, 2026

Phase

Clinical Trial

Sponsor

Janssen Research & Development, LLC

Enrollment Target

120

Start Date

Jan 2024

๐Ÿ“Š
1 of 120 participants interested
1% interest

Express Your Interest Today

Interested in learning more? Complete the form below.

Secure & Confidential

Your information is protected and will only be shared with the research team.

Why Participate?

  • No-Cost Study Care

  • Advance Medical Science

    Contribute to groundbreaking research

  • Cutting-Edge Treatment

    Access to innovative therapies

  • Expert Medical Care

    Close monitoring by specialists

  • Possible Compensation*

    For time and travel (varies by study)

  • Help Others

    Benefit future patients

*Compensation varies by study. Confirm details with coordinator.

Simple Process

  1. 1Submit this form
  2. 2Phone screening
  3. 3In-person assessment if eligible
  4. 4Begin participation

About This Study

The purpose of this study is to evaluate the efficacy of guselkumab in pediatric participants with moderately to severely active ulcerative colitis at the end of maintenance therapy among participants who were induction responders.

Who Can Participate

Inclusion Criteria

Weight greater than or equal to (\>=) 10 kilogram (kg) at the time of consent for screening
A pathology report to support a documented diagnosis of Ulcerative Colitis (UC) must be available in the source documents. There is no maximum duration for which a participant needs to be diagnosed with UC. If the pathology report to support a documented diagnosis of UC is not available in the source documents, the screening endoscopy with biopsies (obtained within 3 weeks before first study intervention administration) needs to support the diagnosis of UC.
Moderately to severely active UC, defined by a baseline modified Mayo (without physician's global assessment) score of 5 through 9 inclusive, with a screening Mayo endoscopy subscore \>= 2 as determined by a central review of the video of the endoscopy
Medically stable based on physical examination, medical history, and vital signs, performed at screening. Any abnormalities must be consistent with the underlying i

โ“ Not sure if you qualify? Submit your interest and a study coordinator will help determine your eligibility during the screening process.

Study Details

๐Ÿ“‹

Study Type

INTERVENTIONAL

๐Ÿ‘ฅ

Target Enrollment

120 participants

๐ŸŽ‚

Age Range

2 Years - 17 Years

โšง

Gender

ALL

๐Ÿข

Sponsor

Janssen Research & Development, LLC

Study Locations

Choose your preferred location or select flexible during enrollment

Unknown

Oakland

California

Location available
View Oakland location page
Unknown

Indianapolis

Indiana

Location available
View Indianapolis location page
Unknown

Lake Success

New York

Location available
View Lake Success location page

Frequently Asked Questions

Q:What is a clinical trial?

A clinical trial is a research study that tests new medical treatments, drugs, devices, or procedures to determine their safety and effectiveness. Trials are carefully designed and monitored to protect participants while advancing medical knowledge.

Q:Is it safe to participate?

Clinical trials follow strict safety guidelines and ethical standards. Trials must be reviewed and approved, and participants are closely monitored by medical professionals throughout the study. You can withdraw at any time if you choose.

Q:Will I be compensated?

Many clinical trials offer compensation for your time, travel expenses, and inconvenience. The specific compensation varies by study and will be discussed during the screening process. All study-related medical care is typically provided at no cost to participants.

Q:Will I receive a placebo instead of treatment?

When effective treatment exists, participants typically receive either the standard treatment plus the study intervention, or the standard treatment plus placebo. You would not be denied effective care. Placebos are primarily used when no proven treatment is available, or in addition to standard care. Your trial consent form will clearly explain what treatments you may receive.

Q:Can I leave a trial if I change my mind?

Absolutely. Participation in clinical trials is completely voluntary. You have the right to withdraw from the study at any time, for any reason, without penalty or loss of benefits to which you are otherwise entitled.

Q:How long does a clinical trial last?

Trial duration varies widely depending on the study design and purpose. Some trials last just a few weeks, while others may continue for months or years. The study coordinator will provide specific timeline information during your screening call.

Still have questions? Our study coordinators are here to help.

Ready to Make a Difference?

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Looking for Ulcerative Colitis Treatment in Oakland?

Join others in California exploring innovative treatment options through clinical research

Ulcerative Colitis Treatment Options in Oakland, California

If you're searching for Ulcerative Colitis treatment in Oakland, participating in a clinical research study may provide access to innovative approaches under expert medical supervision. This study is actively recruiting participants in Oakland, Indianapolis, Lake Success and surrounding areas.

Clinical trials offer participants the opportunity to receive cutting-edge treatments while contributing to medical research that may help future patients with Ulcerative Colitis. All study-related care is provided at no cost to participants.

Local Sites
3 locations in California
Now Enrolling
Up to 120 participants
Quick Start
Screening available now

Why Consider a Clinical Trial for Ulcerative Colitis?

Potential Benefits

  • โœ“Access to new treatment approaches before public availability
  • โœ“Close monitoring by experienced medical professionals
  • โœ“Study-related care provided at no cost
  • โœ“Contribute to medical research for Ulcerative Colitis

What to Expect

  • โ†’Initial screening to determine eligibility
  • โ†’Regular check-ups and monitoring visits
  • โ†’Possible compensation for time and travel
  • โ†’You can withdraw at any time

Frequently Asked Questions About This Ulcerative Colitis Study

Important Clinical Trial Information

This information is provided for educational purposes and does not constitute medical advice. Clinical trial participation involves potential risks and benefits. Eligibility requirements apply and will be assessed during the screening process.

Study identifier: NCT06260163. For complete study details, visit ClinicalTrials.gov. Always consult with your healthcare provider before making decisions about your medical care or participating in clinical research.