A Study of JNJ-64304500 in Participants With Alopecia Areata
Public ClinicalTrials.gov record NCT04740970. 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, Multicenter, Randomized, Double-Blind, Placebo-Controlled, Proof of Concept Study to Evaluate the Efficacy, Safety, and Tolerability of JNJ-64304500 in Patients With Alopecia Areata
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to evaluate the clinical response of 22 weeks of study intervention with JNJ-64304500, compared with placebo, in participants with moderate to severe alopecia areata (AA).
Study identification
- NCT ID
- NCT04740970
- 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- Withdrawn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 23, 2021
- Primary completion
- Jun 1, 2022
- Completion
- Jul 19, 2022
- Last update posted
- May 3, 2021
2021 – 2022
United States locations
- U.S. sites
- 9
- U.S. states
- 7
- U.S. cities
- 8
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Forcare Clinical Research, Inc. | Tampa | Florida | 33613 | — |
| Indiana Clinical Trial Center | Plainfield | Indiana | 46168 | — |
| Dermatology Specialists | Louisville | Kentucky | 40241 | — |
| Icahn School of Medicine at Mount Sinai | New York | New York | 10029 | — |
| Columbia University Medical Center | New York | New York | 10032 | — |
| Oregon Dermatology and Research Center | Portland | Oregon | 97210 | — |
| University of Pittsburgh Department of Dermatology | Pittsburgh | Pennsylvania | 15213 | — |
| Modern Research Associates | Dallas | Texas | 75231 | — |
| Center for Clinical Studies | Webster | Texas | 77598 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 13 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04740970, 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 May 3, 2021 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04740970 live on ClinicalTrials.gov.