FASTING

This study looks at whether eating solid food before a hand surgery called WALANT (where you're awake but numb) helps lower anxiety and nausea. About 134 adults will be randomly told to eat or fast before their procedure. Researchers will compare their anxiety, hunger, thirst, an…

This study looks at whether stopping tube feeding before a procedure helps or harms critically ill patients on breathing machines. About 1,072 participants will be randomly assigned to fast for at least 8 hours or not fast before their procedure. Researchers will track lung compl…

This study looks at whether patients in the ICU with severe breathing problems can safely continue eating or drinking before they need a breathing tube, instead of the usual practice of fasting. The goal is to see if eating increases the risk of complications like vomiting or pne…

This study looks at what happens to your immune cells when you fast for 24 hours. Researchers want to understand how the body's switch from using sugar to burning fat for energy changes the way immune cells work. The study involves 28 healthy adults aged 18-40 who will fast for o…

This small study looks at how a 36-hour water-only fast affects the immune system in healthy men aged 20-40. Researchers will measure changes in blood cells and gene activity. The goal is to understand, not treat, so no direct health benefit is expected for participants.

This study looks at whether ultrasound can reliably measure how much is in a child's stomach before surgery, which could help prevent rare but serious complications like breathing in stomach contents. About 60 children aged 2 to 18 will have stomach ultrasounds, and some will als…

This study looks at how much clear liquid (like water or juice) teens aged 13 to 17 can safely drink before an upper GI endoscopy. About 288 participants will be split into four groups, each drinking a different amount two hours before the procedure. Researchers will measure the …

This study looks at what happens in your blood when you fast for a long time. Researchers want to see if these changes can make breast cancer cells more sensitive to chemotherapy in lab tests. The study involves 15 healthy adults who will fast under supervision.