A Study of JNJ-64304500 as Add-on Therapy in Participants With Active Crohn's Disease
Public ClinicalTrials.gov record NCT04655807. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 2a Randomized, Double-blind, Placebo-controlled, Parallel-group, Multicenter, Proof-of-Concept Clinical Study to Evaluate the Safety and Efficacy of JNJ-64304500 as Add-on Therapy to Standard of Care Biologic Therapy With Anti-Tumor Necrosis Factor Alpha or Anti-Interleukin 12/23 in Responder Not Remitter Participants With Active Crohn's Disease
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to evaluate the efficacy and safety of JNJ-64304500 as add-on therapy to standard of care (SOC) biologic treatment with anti-tumor necrosis factor alpha or anti-interleukin 12/23 inhibitors in participants with active Crohn's disease in response but not remission to SOC biologic therapy.
Study identification
- NCT ID
- NCT04655807
- Recruitment status
- Withdrawn
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- Not listed
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 65 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 2, 2021
- Primary completion
- May 23, 2023
- Completion
- Sep 3, 2023
- Last update posted
- Apr 26, 2025
2021 – 2023
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Medisphere Medical Research Center, Llc | Evansville | Indiana | 47714 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04655807, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 26, 2025 · Synced Sep 3, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04655807 live on ClinicalTrials.gov.