FASTING

This study looks at whether eating solid food before a hand surgery (called WALANT) helps patients feel less anxious and nauseous. About 134 people will be randomly told to either eat or fast before their procedure. Researchers will compare anxiety, nausea, and satisfaction betwe…

This study looks at whether stopping tube feeding for at least 8 hours before a procedure (fasting) or stopping it right before (not fasting) is better for critically ill patients on breathing machines. About 1,072 adults in the ICU will be randomly assigned to one of two groups.…

This study looks at what happens in the body during a long fast (no food for several days). Researchers will take blood samples from 15 healthy adults before, during, and after fasting to measure changes in metabolism and cell markers. They will then test how the fasting blood af…

This study looks at whether patients in the ICU with severe breathing problems can safely eat or drink before they need a breathing tube. Normally, patients are kept fasting to prevent food from getting into the lungs, but this may cause discomfort and malnutrition. The study wil…

This study looks at how a 36-hour water-only fast changes the immune system in healthy adults aged 20-40. Researchers will measure immune cells and gene activity in blood samples. Only 4 men are being enrolled, so results will be very early and limited.

This study looks at whether a simple stomach ultrasound can reliably measure how much food or liquid is left in a child's stomach before surgery. Researchers will compare ultrasound results with a standard blood test in 60 children aged 2 to 18. The goal is to find a safer, faste…