RecruitingPhase 2Drug trialSafety, Tolerability, Pharmacokinetics and Pharmacodynamics of Crinecerfont in Participants With Classic Congenital Adrenal Hyperplasia (CAH) Who Are Less Than 4 Years OldThe main objective of this study is to assess the safety and tolerability of crinecerfont in pediatric participants 3 months to \<4 years of age with CAH.