DPP4 and diabetes mellitus: Early initiation of insulin.Consider first-line therapies: SGLT2 inhibitors or GLP-1 receptor agonists.Other options: Metformin (if eGFR > 30 mL/min), DPP-4 inhibitors.Aspirin for secondary prevention or primary prevention in patients at high CV risk.Consider early corticosteroid discontinuation or a switch to belatacept to prevent post-transplant diabetes.