RecruitingPhase 2Drug trialImpact of 1 mg Osilodrostat Therapy on Mild Autonomous Cortisol Secretion (MACS)The purpose of this study is to evaluate the safety and tolerability of 1 mg osilodrostat therapy in patients with mild autonomous cortisol secretion (MACS), and to determine the impact on 24h urine steroid metabolome and circadian cortisol/cortisone concentrations