BARIATRIC SURGERY CANDIDATE

This study looks at 234 adults who had sleeve gastrectomy but regained weight. It compares three different follow-up surgeries (SADI-S, RYGB, and OAGB) to see which one leads to the most weight loss, has the fewest complications, and improves nutrition and health problems. The go…

This study tests a remote behavioral program for people who have regained at least 5% of their weight after bariatric surgery. 200 participants will be randomly assigned to either the program or a control group that receives standard dietary advice. The goal is to see if the prog…

This study compares ready-to-eat very low calorie meals to standard liquid meal replacements for people preparing for bariatric surgery. The goal is to see if the ready-to-eat option helps patients stick to their diet better. About 140 adults scheduled for surgery will participat…

This study compares bariatric (weight-loss) surgery to standard medical weight management in 200 adults with severe obesity (BMI 30 or higher) and high-risk cardiovascular disease. The goal is to see if surgery reduces major heart problems like heart attacks, strokes, and heart f…

This study looks at whether weight-loss surgery can help people with severe obesity and type 2 diabetes achieve long-term remission better than the best medical care alone. About 408 participants will be followed to see how surgery affects diabetes, kidney function, and heart hea…

This study looks at whether a special diet workshop held 15 days after bariatric surgery can help patients increase their protein intake over the next year. About 88 adults who are scheduled for sleeve gastrectomy or bypass surgery will take part. The goal is to improve protein l…

This study compares early pain after two types of weight-loss surgery: robotic sleeve gastrectomy and laparoscopic sleeve gastrectomy. About 91 people who qualify for sleeve gastrectomy will be randomly assigned to one of the two procedures. The main goal is to see if robotic sur…

This study tests whether a mild electrical nerve stimulator (TENS) placed on the skin can reduce breathing problems after bariatric surgery in people with severe obesity. About 70 participants will receive either TENS or a placebo patch. The main goal is to see if the diaphragm w…

This study tests whether avoiding opioids during sleeve gastrectomy (a type of weight-loss surgery) can still control pain effectively. About 70 adults with severe obesity will be randomly assigned to receive either opioid-free anesthesia (using a mix of magnesium, dexmedetomidin…

This study follows 300 people having weight-loss (metabolic) surgery to see how their gut bacteria change and how that affects heart health and diabetes. Researchers collect stool, blood, and tissue samples before and up to 3 years after surgery. The goal is to learn which gut mi…

This study looks at how different types of anesthesia affect stress during weight-loss surgery. About 70 people having sleeve gastrectomy or gastric bypass will get opioid-free anesthesia, some with a gas called desflurane and some without. Researchers will measure stress hormone…

This study looks at how high-intensity interval training (HIIT) changes brain activity and appetite in people who regained weight after bariatric surgery. Researchers will use brain scans and questionnaires to understand the connection between exercise, brain function, and weight…

This study looks at two different methods doctors use to re-inflate the lungs after weight-loss surgery. The goal is to find out which method is safer and works better to improve breathing and reduce lung collapse. One hundred adults having laparoscopic bariatric surgery will tak…

This study looks at how diet and being male or female change the risk of kidney stones in people who have had gastric bypass surgery. About 28 participants will eat a special diet for six days and visit a clinic three times. The goal is to measure urine changes that can lead to k…

This study follows 1000 people who had weight-loss (bariatric) surgery 5 years ago to see how well they maintain weight loss. Researchers want to learn why some succeed long-term while others do not, and which surgery type works best. The goal is to help future patients choose th…

This study uses special MRI scans to see how the heart's structure and energy use change after bariatric surgery or cardiac rehab. Researchers will scan 150 adults before and 6-12 months after these treatments. The goal is to understand how these metabolic interventions affect he…

This study is a registry that gathers information from medical records and patient visits about endoscopic bariatric therapies (EBTs), which are non-surgical procedures to help with weight loss. It includes adults who have had or plan to have an EBT within six months. The goal is…

This study looks at the nutritional effects of a low-calorie, high-protein diet given to people before they have weight-loss (bariatric) surgery. The goal is to see if this diet causes any health problems like low blood cell counts, vitamin deficiency, or muscle weakness. About 2…