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Completed Phase 3 Interventional Results available

Study to Evaluate the Efficacy and Safety of CTP-543 in Adults With Moderate to Severe Alopecia Areata (THRIVE-AA2)

ClinicalTrials.gov ID: NCT04797650

Public ClinicalTrials.gov record NCT04797650. 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.

ClinicalTrials.gov public records Last synced Nov 5, 2026, 4:21 AM EST

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Official title

A Double-Blind, Randomized, Placebo-Controlled Study to Evaluate the Efficacy and Safety of CTP-543 in Adult Patients With Moderate to Severe Alopecia Areata

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study evaluates the safety and effectiveness of an investigational study drug (called CTP-543) in adults (18 years and older) who have 50% or greater scalp hair loss.

Study identification

NCT ID
NCT04797650
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Concert Pharmaceuticals
Industry
Enrollment
517 participants

Conditions and interventions

Interventions

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
Jun 10, 2021 (Actual)
Primary completion
Jun 8, 2022 (Actual)
Completion
Jun 29, 2022 (Actual)
Last update posted
Jul 3, 2023

2021 – 2022

United States locations

U.S. sites
25
U.S. states
17
U.S. cities
22
Facility City State ZIP Site status
Alliance Dermatology & Mohs Center Phoenix Arizona 85032 —
Johnson Dermatology Fort Smith Arkansas 72916 —
Dermatology Research Associates Los Angeles California 90045 —
University of Miami Hospital Miami Florida 33124 —
Floridian Research Institute LLC Miami Florida 33145 —
MetroBoston Clinical Partners, LLC Brighton Massachusetts 02135 —
Clinical Research Institute of Michigan, LLC Chesterfield Michigan 48087 —
Hamzavi Dermatology Fort Gratiot Michigan 48059 —
Galen Research Chesterfield Missouri 63005 —
Vivida Dermatology Las Vegas Nevada 89148 —
The Dermatology Group P.C. Verona New Jersey 07044 —
Icahn School of Medicine at Mount Sinai New York New York 10029 —
Columbia University Medical Center - Department of Dermatology New York New York 10032 —
University of Rochester Rochester New York 14642 —
Dermatologists of Southwest Ohio Mason Ohio 45040 —
Oregon Medical Research Portland Oregon 97223 —
Velocity Clinical Research - Providence Warwick Rhode Island 02886 —
The Skin Wellness Center Knoxville Tennessee 37922 —
North Texas Center for Clinical Research Frisco Texas 75034 —
Elixir Research Group Houston Texas 77077 —
Progressive Clinical Research San Antonio Texas 78213 —
Velocity Clinical Research/Gateway Salt Lake City Utah 84101 —
Velocity Clinical Research/Swinyer-Woseth Dermatology Salt Lake City Utah 84117 —
Jordan Valley Dermatology Center South Jordan Utah 84095 —
The Rector and Visitors of the University of Virginia Charlottesville Virginia 22903 —

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 38 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04797650, 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 3, 2023 · Synced Nov 5, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04797650 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →