RecruitingClinical trialMobile Video Directly Observed Therapy (DOT) for Immunosuppression Medication Adherence in Adolescent Heart Transplant RecipientsWe will conduct a two-group randomized controlled trial to examine the eMocha DOT intervention with pediatric HT recipients.In this population, medication nonadherence remains a primary cause of late acute rejection (LAR) episodes, increased number of hospitalizations, graft failure, and patient mortality. Herein, we propose an innovative approach to promote medication adherence and improve patient and graft outcomes.