Joslin Diabetes Center

This study looks at how well the Joslin Why WAIT? program helps people with type 2 diabetes and obesity lose weight and improve their health. About 110 participants who have a BMI over 35 are included. The main goal is to see if they can lose at least 7% of their body weight and …

This study checks how well a new device called LabPatch measures blood sugar levels in people with type 1 or type 2 diabetes who use insulin. About 60 adults will wear the sensor for 6 hours while their blood sugar is compared to standard lab tests and two commercial glucose mete…

This study tests a program called REST that helps adults aged 65 and older with type 1 or type 2 diabetes learn to use continuous glucose monitors (CGMs). The goal is to reduce dangerous low blood sugar episodes and improve time in a healthy blood sugar range. Participants receiv…

This study looks at 28 adults who have low blood sugar (hypoglycemia) after eating, often due to past stomach surgery. Researchers want to see if the types of bacteria in the gut are related to how often and how severely blood sugar drops. Participants wear a continuous glucose m…

This study aims to understand why some people without diabetes experience low blood sugar (hypoglycemia). Researchers will compare three groups: people with hypoglycemia who have had stomach surgery, those with hypoglycemia who haven't had surgery, and healthy controls. They will…

This study looked at 533 adults with type 1 diabetes to find out how many have nonalcoholic fatty liver disease (NAFLD) and serious liver scarring. Researchers used a special ultrasound and blood tests to check for liver problems without any needles or surgery. The goal is to ide…

This study looks at how different doses of glucagon, a natural hormone that raises blood sugar, affect people who have low blood sugar after weight-loss surgery. Researchers will give 28 participants several doses of glucagon and measure their blood sugar and hormone levels. The …

This study looks at how being overweight and having type 1 or type 2 diabetes may change genetic markers in sperm. Researchers will test if a 3-month lifestyle or blood sugar program can improve these markers. About 40 men will provide sperm samples before and after the program.