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

Purpose

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.

Condition

  • Alopecia Areata

Eligibility

Eligible Ages
Between 18 Years and 65 Years
Eligible Genders
All
Accepts Healthy Volunteers
No

Inclusion Criteria

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

Exclusion Criteria

  • 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

Study Design

Phase
Phase 2/Phase 3
Study Type
Interventional
Allocation
N/A
Intervention Model
Single Group Assignment
Primary Purpose
Treatment
Masking
None (Open Label)

Arm Groups

ArmDescriptionAssigned Intervention
Experimental
CTP-543
Patients who previously completed a qualifying CTP-543 clinical trial
  • Drug: CTP-543
    Twice daily dosing

More Details

Status
Enrolling by invitation
Sponsor
Concert Pharmaceuticals

Study Contact