🏛️ Verified NIH Record • Updated 2026-08-27

A Long-term Extension (LTE) Study of Guselkumab in Pediatric Participants (NCT06663332)

CNTO1959ISD3001: A Phase 3, Multicenter, Open-label, Basket, Long-term Extension Study to Evaluate the Safety of Guselkumab in Pediatric Participants With Crohn's Disease, Ulcerative Colitis, or Juvenile Psoriatic Arthritis

🟢 Recruiting Phase3 💊 Investigational Drug / Biologic Sponsor: Janssen Research & Development, LLC

🩺 Plain-English Summary (8th-Grade Level)

The purpose of this study is to evaluate long-term safety of subcutaneous guselkumab in pediatric participants with moderately to severely active ulcerative colitis, or moderately to severely active Crohn's disease, or juvenile psoriatic arthritis (jPsA).

Who can join: Review the eligibility criteria below.

Location: Emory University — Atlanta, Georgia

Age range: 3 Years

🧪 Interventions in This Study

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (49 Sites)

Showing the first 25 of 49 sites.

  • Emory University — Atlanta, Georgia
  • Children's Center for Digestive Healthcare — Atlanta, Georgia
  • Riley Hospital for Children — Indianapolis, Indiana
  • Cincinnati Children's Hospital Medical Center — Cincinnati, Ohio
  • University of Utah — Salt Lake City, Utah
  • Instituto Caici — Rosario,
  • The Kids Research Institute Australia on behalf of the Centre for Child Health Research — Nedlands,
  • Mater Hospital Brisbane Inflammatory Bowel Diseases — South Brisbane,
  • The Children's Hospital at Westmead — Westmead,
  • Hospital das Clinicas - UFG — Goiânia,
  • INTEGRAL Pesquisa e Ensino — Votuporanga,
  • Capital Center For Children's health Capital Medical University — Beijing,
  • Changzhou No 2 Peoples Hospital — Changzhou,
  • The Childrens Hospital Zhejiang University School Of Medicine — Hangzhou,
  • Sir Run Run Shaw Hospital Zhejiang University School of Medicine — Hangzhou,
  • Ruijin Hospital Shanghai Jiao Tong University — Shanghai,
  • Shengjing Hospital Of China Medical University — Shenyang,
  • Hospital Center University De Lille — Lille,
  • Schon Klinik Hamburg Eilbek — Hamburg,
  • Asklepios Klinik Sankt Augustin — Sankt Augustin,
  • ASST Papa Giovanni XXIII Bergamo — Bergamo,
  • Azienda USL di Bologna - Ospedale Maggiore — Bologna,
  • IRCCS Ospedale Pediatrico Bambino Gesu — Roma,
  • Casa Sollievo Della Sofferenza IRCCS — San Giovanni Rotondo,
  • IRCCS Materno Infantile Burlo Garofolo — Trieste,

📞 Contact the Study Coordinator

Phone: (844) 434-4210

Email: Participate-In-This-Study1@its.jnj.com

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

Explore by condition: All Crohns Disease clinical trials

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗