Study to Evaluate the Safety and Efficacy of CTP-543 in Adults With Moderate to Severe Alopecia Areata
Public ClinicalTrials.gov record NCT03137381. 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 Double-Blind, Randomized, Placebo-Controlled Study to Evaluate the Safety and Efficacy of CTP-543 in Adult Patients With Moderate to Severe Alopecia Areata
Study identification
- NCT ID
- NCT03137381
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Concert Pharmaceuticals
- Industry
- Enrollment
- 149 participants
Conditions and interventions
Conditions
Interventions
- CTP-543 Drug
- CTP-543 matching placebo Drug
Drug
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
- Aug 8, 2017
- Primary completion
- Jul 7, 2019
- Completion
- Jul 7, 2019
- Last update posted
- Jul 18, 2022
2017 – 2019
United States locations
- U.S. sites
- 13
- U.S. states
- 10
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California, Irvine | Irvine | California | 92697 | — |
| Contour Dermatology & Cosmetic Surgery Center | Rancho Mirage | California | 92270 | — |
| Stanford University School of Medicine | Redwood City | California | 94064 | — |
| Kaiser Permanente Northern California | San Francisco | California | 94118 | — |
| Yale School of Medicine | New Haven | Connecticut | 06519 | — |
| Siperstein Dermatology Group | Boynton Beach | Florida | 33472 | — |
| Northwestern University | Chicago | Illinois | 60611 | — |
| Minnesota Clinical Study Center | Fridley | Minnesota | 55432 | — |
| Icahn School of Medicine at Mt. Sinai | New York | New York | 10029 | — |
| Wake Forest University Health Sciences | Winston-Salem | North Carolina | 27104 | — |
| Cleveland Clinic | Cleveland | Ohio | 44195 | — |
| Northwest Dermatology | Portland | Oregon | 97210 | — |
| Suzanne Bruce & Associates, PA | Houston | Texas | 77056 | — |
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 NCT03137381, 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 Jul 18, 2022 · Synced Jul 23, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03137381 live on ClinicalTrials.gov.