RecruitingPhase 2Drug trialPharmacokinetics, Safety, and Efficacy of Povorcitinib in Adolescent Participants With Moderate to Severe Hidradenitis SuppurativaThe purpose of this study is to evaluate the pharmacokinetics, safety, and efficacy of povorcitinib in adolescent participants with moderate to severe hidradenitis suppurativa over a 54-week open-label treatment period.