A Long-term Extension (LTE) Study of Guselkumab in Pediatric Participants
Phase 3 · Testing Guselkumab · 51 sites · Janssen Research & Development, LLC
Official record & contacts on ClinicalTrials.gov ↗
In plain English
What this trial is testing
This study is testing Guselkumab (a drug). Condition(s) listed: Crohns Disease, Colitis, Ulcerative and Arthritis, Psoriatic.
It is open-label: participants know what they are receiving.
Phase 3 studies are large studies comparing a treatment with placebo or standard care. They are often the last step before a company asks regulators for approval.
Who can join
- Ages 3 and older
- Any sex
Some of the main requirements, copied from the record:
- Must have completed the dosing planned in the primary pediatric guselkumab study
- Must have received benefit from continued guselkumab therapy in the opinion of the investigator
- Before enrollment, a participant must be either: (a) Not of childbearing potential, OR (b) Of childbearing potential and not sexually active, practicing abstinence or a highly effective method of contraception and agrees to remain on a…
- Parent(s) (or their legally acceptable representative) must sign an informed consent form (ICF) indicating that he or she understands the purpose of, and procedures required for, the study and is willing to allow the child to participate…
There are also 6 reasons someone might not be able to join (exclusion criteria). Only the trial team can confirm whether you qualify.
What's involved
- About 196 participants are expected to take part.
- The study has 2 groups.
- Start date: 2024-10-29.
- Main results expected around 2031-12-12 (estimate from the record).
- 51 study sites listed (51 marked recruiting) in Argentina, Australia, Belgium, Brazil and China and 12 more countries.
Groups in this study
- Guselkumab (Every 8 weeks) (listed as: experimental group)
- Guselkumab (Every 4 weeks) (listed as: experimental group)
Main thing being measured
- Number of Participants with Treatment-Emergent Adverse Events as Assessment of Safety (Up to 6 years and 9 months)
In the researchers’ words
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).
This summary was written automatically from the official record using fixed templates (no AI), so it only says what the record says, and may leave things out.
Questions to ask your doctor and the trial team
- Am I likely to qualify, given my health history?
- What would I have to do, and how often would I need to visit?
- Could I get a placebo? What happens to my current treatment?
- What are the possible risks and benefits?
- Are travel or other costs covered?
- What happens after the trial ends?
Official details
| Status | Recruiting |
|---|---|
| Phase | Phase 3 |
| Study type | Interventional |
| Conditions | Crohns Disease; Colitis, Ulcerative; Arthritis, Psoriatic; Arthritis, Juvenile |
| Lead sponsor | Janssen Research & Development, LLC |
| Enrollment | 196 (estimated) |
| Start date | 2024-10-29 |
| Primary completion (est.) | 2031-12-12 |
| First posted | 2024-10-29 |
| Last updated | 2026-09-25 |
| Official title | 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 |
| ClinicalTrials.gov ID | NCT06663332 |
Interventions
- Guselkumab (Drug)
Guselkumab will be administered as subcutaneous injection.
Full eligibility criteria (from the record)
Inclusion Criteria: * Must have completed the dosing planned in the primary pediatric guselkumab study * Must have received benefit from continued guselkumab therapy in the opinion of the investigator * Before enrollment, a participant must be either: (a) Not of childbearing potential, OR (b) Of childbearing potential and not sexually active, practicing abstinence or a highly effective method of contraception and agrees to remain on a highly effective method while receiving study intervention and until 12 weeks after the last dose - the end of relevant systemic exposure * Parent(s) (or their legally acceptable representative) must sign an informed consent form (ICF) indicating that he or she understands the purpose of, and procedures required for, the study and is willing to allow the child to participate in the study. Assent is required from participants who are capable of understanding the nature of the study, typically those aged 7 years and older, to ensure their willingness to participate. An adolescent who provides assent will have the opportunity to sign an adult ICF upon reaching the age of majority, thereby affirming their understanding of the study's purpose and procedures, as well as their willingness to participate. Exclusion Criteria: * Participant is greater than or equal to (>=) 18 years of age and resides in a country where 2 years have elapsed post marketing authorization for the respective adult indication * Participant is <18 years of age and resides in a county where 2 years have elapsed post marketing authorization for the respective pediatric indication * Are pregnant, nursing, or planning pregnancy or fathering a child * Have taken any disallowed therapies before the planned first long-term extension (LTE) dose of study intervention * Employee of the investigator or study site, with direct involvement in the proposed study or other studies under the direction of that investigator or study site, as well as family members of the employees or the investigator * Any condition for which, in the opinion of the investigator, participation would not be in the best interest of the participant or that could prevent, limit, or confound the protocol-specified assessments
Locations (51)
Show all 51 sites
| Site | City | Country | Site status |
|---|---|---|---|
| Emory University | Atlanta, Georgia | United States | Recruiting |
| Children's Center for Digestive Healthcare | Atlanta, Georgia | United States | Recruiting |
| Riley Hospital for Children | Indianapolis, Indiana | United States | Recruiting |
| Cincinnati Children's Hospital Medical Center | Cincinnati, Ohio | United States | Recruiting |
| Cook Childrens Medical Center | Fort Worth, Texas | United States | Recruiting |
| University of Utah | Salt Lake City, Utah | United States | Recruiting |
| Instituto Caici | Rosario | Argentina | Recruiting |
| The Kids Research Institute Australia on behalf of the Centre for Child Health Research | Nedlands | Australia | Recruiting |
| Mater Hospital Brisbane Inflammatory Bowel Diseases | South Brisbane | Australia | Recruiting |
| The Children's Hospital at Westmead | Westmead | Australia | Recruiting |
| Universitair Ziekenhuis Leuven | Leuven | Belgium | Recruiting |
| Hospital das Clinicas - UFG | Goiânia | Brazil | Recruiting |
| INTEGRAL Pesquisa e Ensino | Votuporanga | Brazil | Recruiting |
| Capital Center For Children's health Capital Medical University | Beijing | China | Recruiting |
| Changzhou No 2 Peoples Hospital | Changzhou | China | Recruiting |
| The Childrens Hospital Zhejiang University School Of Medicine | Hangzhou | China | Recruiting |
| Sir Run Run Shaw Hospital Zhejiang University School of Medicine | Hangzhou | China | Recruiting |
| Ruijin Hospital Shanghai Jiao Tong University | Shanghai | China | Recruiting |
| Shengjing Hospital Of China Medical University | Shenyang | China | Recruiting |
| Hospital Center University De Lille | Lille | France | Recruiting |
| Schon Klinik Hamburg Eilbek | Hamburg | Germany | Recruiting |
| Asklepios Klinik Sankt Augustin | Sankt Augustin | Germany | Recruiting |
| ASST Papa Giovanni XXIII Bergamo | Bergamo | Italy | Recruiting |
| Azienda USL di Bologna - Ospedale Maggiore | Bologna | Italy | Recruiting |
| IRCCS Ospedale Pediatrico Bambino Gesu | Roma | Italy | Recruiting |
| Casa Sollievo Della Sofferenza IRCCS | San Giovanni Rotondo | Italy | Recruiting |
| IRCCS Materno Infantile Burlo Garofolo | Trieste | Italy | Recruiting |
| Tokyo Metropolitan Children's Medical Center | Fuchū | Japan | Recruiting |
| Kanazawa University Hospital | Kanazawa | Japan | Recruiting |
| Kobe University Hospital | Kobe | Japan | Recruiting |
| Japanese Red Cross Kumamoto Hospital | Kumamoto | Japan | Recruiting |
| Shinshu University Hospital | Matsumoto | Japan | Recruiting |
| Saga University Hospital | Saga | Japan | Recruiting |
| Yokohama City University Medical Center | Yokohama | Japan | Recruiting |
| Akershus Universitetssykehus | Akershus | Norway | Recruiting |
| Korczowski Bartosz Gabinet Lekarski | Rzeszów | Poland | Recruiting |
| Centrum Zdrowia Dziecka i Rodziny im Jana Pawla II w Sosnowcu Sp z o o | Sosnowiec | Poland | Recruiting |
| Medical Network | Warsaw | Poland | Recruiting |
| Instytut Pomnik Centrum Zdrowia Dziecka | Warsaw | Poland | Recruiting |
| Uls Braga - Hosp. Braga | Braga | Portugal | Recruiting |
| Uls Sao Joao - Hosp. Sao Joao | Porto | Portugal | Recruiting |
| Severance Hospital Yonsei University Health System | Seoul | South Korea | Recruiting |
| Samsung Medical Center | Seoul | South Korea | Recruiting |
| Hosp. Clinico Univ. de Santiago | Santiago de Compostela | Spain | Recruiting |
| Hosp. Univ. I Politecni La Fe | Valencia | Spain | Recruiting |
| Gazi University Medical Faculty | Ankara | Turkey (Türkiye) | Recruiting |
| Umraniye Training and Research Hospital | Istanbul | Turkey (Türkiye) | Recruiting |
| Kocaeli Universitesi Hastanesi | Kocaeli | Turkey (Türkiye) | Recruiting |
| Sheffield Children's Hospital | Sheffield | United Kingdom | Recruiting |
| Royal Stoke University Hospital | Stoke-on-Trent | United Kingdom | Recruiting |
| Haywood Hospital | Stoke-on-Trent | United Kingdom | Recruiting |
For contacts at each site, use the official record.
Information only, not medical advice. Talk to your doctor and the trial team before making any decision about a clinical trial.