Extension Study to Evaluate Safety and Efficacy of CTP-543 in Adults With Alopecia Areata

Running, not enrolling · Phase 2/Phase 3

Conditions studied: Alopecia Areata

In brief

The overall objectives of the study are to evaluate long-term safety of CTP-543 and to assess long-term effects of CTP-543 on treating hair loss in adult patients with chronic, moderate to severe alopecia areata.

Key facts

Study ID

NCT03898479

Run by

Sun Pharmaceutical Industries, Inc.

People needed

1000

Starts

2019-04-04

Expected to finish

2027-06-01

Last updated by the study team

2025-10-22

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Have completed 24 weeks of treatment in a previous qualifying CTP-543 clinical trial

You may not qualify if…

• Active scalp inflammation, psoriasis, or seborrheic dermatitis requiring topical treatment to the scalp, significant trauma to the scalp, or untreated actinic keratosis
• Females who are nursing, pregnant, or planning to become pregnant while in the study, and for 30 days after last dose of study medication
• Donation of blood at any point throughout the study and for 30 days after last dose of study medication

Where it is running

• Alliance Dermatology & MOHS Center — Phoenix, Arizona, United States
• Center for Dermatology and Plastic Surgery/CCT Research — Scottsdale, Arizona, United States
• Johnson Dermatology — Fort Smith, Arkansas, United States
• Northwest Arkansas Clinical Trials Center, PLLC — Rogers, Arkansas, United States
• Kern Research Inc. — Bakersfield, California, United States
• Hope Clinical Research — Canoga Park, California, United States
• California Dermatology & Clinical Research Institute — Encinitas, California, United States
• University of California, Irvine — Irvine, California, United States
• Dermatology Research Associates — Los Angeles, California, United States
• Quest Dermatology Research — Northridge, California, United States
• Kaiser Permanente Northern California - Oakland — Oakland, California, United States
• Palmtree Clinical Research, Inc. — Palm Springs, California, United States
• Stanford University School of Medicine - Medical Dermatology Clinic — Redwood City, California, United States
• Kaiser Permanente South Sacramento — Sacramento, California, United States
• Kaiser Permanente Clinical Trials Unit — San Francisco, California, United States
• Colorado Center for Dermatology, PLLC d/b/a CODerm Research — Centennial, Colorado, United States
• Colorado Medical Research Center — Denver, Colorado, United States
• Yale University Church Street Research Unit — New Haven, Connecticut, United States
• Skin Care Research, LLC — Boca Raton, Florida, United States
• Skin Care Research, LLC — Hollywood, Florida, United States
• University of Miami Hospital — Miami, Florida, United States
• Floridian Research Institute, LLC — Miami, Florida, United States
• Lenus Research & Medical Group, LLC — Sweetwater, Florida, United States
• Clinical Research Trials of Florida, Inc. — Tampa, Florida, United States
• Total Skin and Beauty Dermatology Center — Birmingham, Alabama, United States

Full record on ClinicalTrials.gov

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