Clozapine causes obesity and type 2 diabetes (T2DM). Glucagon‐like peptide‐1 (GLP‐1) receptor agonists (e.g. exenatide) can counter clozapine‐associated GLP‐1 dysregulation in animals, and may be beneficial in people on clozapine. This randomized, controlled, open‐label, pilot trial evaluated weekly...