Gastric Pathophysiology in Diabetes

This study looks at how diabetes affects the stomach's ability to empty food properly (called gastric motility). It uses specialized tests to measure how the stomach moves and processes food, comparing people with diabetes to healthy controls, to better understand digestive complications of the disease. **You may be eligible if...** - You have been diagnosed with type 1 or type 2 diabetes for at least 3 years - You have been on diabetes medication (drugs or insulin) for at least 2 years **You may NOT be eligible if...** - Your type 2 diabetes is managed by diet alone (no medication) - Your diabetes is severely uncontrolled and requires hospitalization - You are taking more than one medication that speeds up stomach emptying (prokinetics) - You are currently on or recently used opioid pain medications - You have had major surgery on the stomach or esophagus Talk to your doctor to see if this trial is right for you.