Pragmatic Trial of Metformin for Glucose Intolerance or Increased BMI in Prostate Cancer Patients

Metformin is a medication used to treat type 2 diabetes, gestational diabetes, and prediabetes. In this study, patients on the Metformin arm will be started on 850 mg daily for 2 weeks, then escalated to a final dose of 850 mg twice daily, which is lower than the maximum recommended dose of 2550 mg total daily.

"Patients randomized to this arm will receive standard lifestyle modification recommendations. This will include the general recommendation to increase exercise level mildly, after discussing with the medical provider. There is a potential low-level risk in increasing one's exercise levels.~Here are some examples of the educational material from the American Diabetes Association website, and topics will be rotated on quarterly basis:~Healthy eating: https://www.diabetes.org/nutrition/healthy-food-choices-made-easy Prediabetes: https://www.diabetes.org/diabetes-risk/prediabetes Fitness: https://www.diabetes.org/fitness/get-and-stay-fit Weight loss: https://www.diabetes.org/fitness/weight-loss"