A Study to Evaluate the Effect of Fasting Duration and Tirzepatide Withholding on the Amount of Food and Fluid in the Stomach in Participants With Type 2 Diabetes Mellitus and Participants With Overweight or Obesity Without Type 2 Diabetes Mellitus

This study looks at how the length of fasting before a procedure, and whether a weight-loss medication called tirzepatide is paused beforehand, affects how much food and liquid remains in the stomach — which is important for anesthesia safety. **You may be eligible if...** - You have type 2 diabetes, OR - You have obesity, OR - You are overweight with at least one related health condition (but do not have type 2 diabetes) **You may NOT be eligible if...** - You have a condition that affects how your stomach empties (such as gastroparesis) - You have had weight loss surgery in the past - You have type 1 diabetes - You have other major medical conditions or histories that could affect the study results Talk to your doctor to see if this trial is right for you.