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.

This is a global Phase 2b/3 study to evaluate the safety and effectiveness of an investigational study drug (called PF-06651600) in adults and adolescents (12 years and older) who have 50% or greater scalp hair loss. The study is placebo-controlled, meaning that some...

"The purpose of this study is to see if the use of apremilast has an effect on the symptoms and progression of central centrifugal cicatricial alopecia (CCCA). Apremilast is an oral PDE4 inhibitor that has anti-inflammatory properties. It inhibits several substances inv...