RecruitingPhase 3Drug trialA Study of Brenipatide in Adult Participants With Major Depressive DisorderThis study evaluates the safety and efficacy of brenipatide when administered with standard of care (SoC) compared to placebo plus SoC in delaying the return of major depressive symptoms. The trial is divided into three periods as follows: a screening period that will last approximately 1 month, a treatment period that will last a minimum of 12 months, and the follow up period that will last approximately 2 months. The duration of study participation may vary and may be shortened if depression symptoms worsen or if withdrawal from the study occurs for any reason.