Testing a low-sugar diet for cystic fibrosis-related diabetes

This trial is testing whether a low glycemic load diet — a way of eating that focuses on carbohydrates that don't spike blood sugar as quickly — can help adults with cystic fibrosis who have developed diabetes. The diet you would follow is designed to be higher in healthy fats and protein while lower in certain carbohydrates. Researchers want to see if this eating approach improves blood sugar control and body composition without being difficult or unsafe to follow.

People with cystic fibrosis are typically encouraged to eat a lot of calories, often including lots of carbohydrates, to maintain their weight and health. However, this high-carbohydrate approach may increase the risk of developing diabetes and other complications. While doctors often recommend dietary changes to treat cystic fibrosis-related diabetes, there's very little research proving whether these changes actually work — so this study aims to fill that gap.