Context: Variations in the prevalence and aetiology of type 2 diabetes (T2D) across race and ethnicity may affect treatment responses. Semaglutide is a glucagon-like peptide-1 (GLP-1) analog approved for once–weekly, subcutaneous (s.c.) treatment of T2D. Objective: To compare semaglutide efficacy and safety in race and ethnicity subgroups across the SUSTAIN trials. Design: Post hoc analysis of data from phase 3 randomized SUSTAIN 1–5 and 7 (pooled) and SUSTAIN 6 trials. Participants: 3,074 subjects (SUSTAIN 1–5...