# A Study of JNJ-64304500 in Participants With Alopecia Areata

> **NCT04740970** · PHASE2 · WITHDRAWN · sponsor: **Janssen Research & Development, LLC**

## Conditions studied

- Alopecia Areata

## Interventions

- **DRUG:** JNJ-64304500
- **DRUG:** Placebo

## Key facts

- **NCT ID:** NCT04740970
- **Lead sponsor:** Janssen Research & Development, LLC
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2021-03-24
- **Primary completion:** 2022-06-02
- **Final completion:** 2022-07-20
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Sponsor Decision.
- **Last updated:** 2021-05-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04740970

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04740970, "A Study of JNJ-64304500 in Participants With Alopecia Areata". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04740970. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*