Clinical trials
Bariatric Surgery clinical trials
Below are recruiting bariatric surgery clinical trials, each written for real people, not researchers. We’re tracking 238 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05950698Recruiting
Study of obesity and bariatric surgery with mental and social factors
This study looks at how personal mental health and life circumstances relate to outcomes after bariatric (weight-loss) surgery. It may help the team understand what supports improve recovery and health after surgery.
Rio de Janeiro, Rio de Janeiro, BrazilAges 18–60 - NCT05488288RecruitingPhase 3
Weight-loss surgery plus mesh repair for ventral hernia
This trial tests whether combining weight-loss surgery with a mesh repair for a midline ventral hernia works better and is safer than another approach. It may help people who have both severe obesity and a specific type of hernia reduce hernia problems after surgery.
ColombesAges 18–60 - NCT04852198Recruiting
Compare two weight-loss surgeries in people with high BMI
This study compares two types of bariatric surgery to see which one works as well as the other for weight loss and health. You may be a candidate if you have a high BMI and specific related health problems, and if certain stomach and digestive issues don’t apply to you.
Almere StadAges 18–65 - NCT07839624Recruiting
Using a smartphone app to support patients before and after weight-loss surgery
This study tests a mobile app called Get-Ready that helps you track your health before and after weight-loss surgery. It aims to support you in managing your weight and recovery.
Rome, RMAges 18–65 - NCT07813429Recruiting
Neck posture and pain changes after sleeve gastrectomy
This study looks at how weight-loss surgery (sleeve gastrectomy) may affect the position of your neck, how well your neck moves, and any neck pain you might have. You will be followed for a year to see if losing weight helps improve your neck health.
Istanbul, IstanbulAges 18–65 - NCT07780058Recruiting
Emotional well-being study for weight loss surgery
This study looks at how weight loss surgery affects patients' feelings and mental health over time. It is for people who qualify for certain weight loss procedures and want to understand the psychological effects.
Alcoy, AlicanteAges 18–70 - NCT05120492Recruiting
Program for severe knee arthritis and extreme weight
This feasibility study tests a practical approach to help people with very severe knee arthritis and very high body weight. It aims to find an effective and safe way to manage both conditions together in real-world care.
Halifax, Nova ScotiaAges 18–65 - NCT07732738Recruiting
Bariatric surgery plus GLP-1 drug for weight loss and diabetes
This study tests if adding a GLP-1 medication to weight-loss surgery helps people with obesity and related conditions like diabetes. It may improve weight loss and blood sugar control more than surgery alone.
Xingtai, HebeiAges 16–70 - NCT05602805Recruiting
Study using a health data bank for weight management
This study builds a data bank to help track how people manage overweight or obesity at the hospital. It may help improve care for future patients by learning what treatments and outcomes work best.
Québec, QuebecAges 18 years+ - NCT07711925Enrolling by invitation
MRI body changes before and after weight loss surgery
This study uses MRI scans to measure how your body composition changes after bariatric surgery. If you are planning weight loss surgery, you may help doctors understand what happens to your body fat and muscle over time.
Olsztyn, Warminsko-mazusrkieAges 18 years+ - NCT07666074Recruiting
AI for predicting difficult airway in weight-loss surgery
This trial uses artificial intelligence (AI) to predict whether it will be difficult to place a breathing tube during weight-loss surgery. The goal is to help doctors plan safer anesthesia for patients with a high BMI.
Elâzığ, ElâzığAges 18–65 - NCT07663942Recruiting
Reducing sitting time and boosting fitness before and after weight-loss surgery
This study tests a program to help women reduce sitting time and increase physical fitness before and after bariatric surgery (like gastric bypass or sleeve gastrectomy). It aims to improve long-term health outcomes.
Santa Maria da FeiraAges 18 years+ - NCT07633639Recruiting
GLP-1 Medicine After Weight-Loss Surgery in Chinese Patients
This trial tests whether adding a GLP-1 medication (a type of diabetes and weight-loss drug) after weight-loss surgery helps patients with obesity and related health conditions like diabetes. Researchers want to see if combining surgery with this medicine works better than surgery alone.
BeijingAges 18–60 - NCT06270147RecruitingPhase 2
Timing of nerve blocks for weight loss surgery pain
This trial tests whether giving a nerve block before or after bariatric surgery works better for pain control. It could help you have less pain and use fewer painkillers after your procedure.
Hamilton, OntarioAges 18 years+ - NCT07594275Recruiting
How body awareness changes after weight-loss surgery
This study looks at how people perceive their bodies and eating habits before and after bariatric (weight-loss) surgery. Researchers want to understand how surgery affects the way you sense hunger, fullness, and your relationship with food.
Rome, LazioAges 18 years+ - NCT07578597Enrolling by invitation
Pregnancy and Baby Health After Weight-Loss Surgery
This study compares how pregnancy and newborn health differ between women who had weight-loss surgery (gastric bypass or sleeve gastrectomy) and women who didn't. Researchers follow both mother and baby to understand potential risks and benefits.
OdenseAges 18 years+ - NCT06720246Recruiting
Weight loss surgery and liraglutide study on thinking and long-term weight
This trial tests whether bariatric surgery or the drug liraglutide helps people with obesity lose weight and keep it off by looking at how it affects your thinking and behavior. It might help you understand which treatment works best for long-term success.
Milan, MilanAges 20–60 - NCT03441451Recruiting
Bariatric Surgery Registry for people with high BMI
This registry collects information from people who have a higher body weight (BMI over 30). It may help researchers better understand bariatric surgery and outcomes for future care.
Melbourne, VictoriaAges 2–95 - NCT07565051Recruiting
Predicting weight loss after gastric bypass surgery
This study looks at whether measuring muscle mass before gastric bypass surgery can predict how much weight you'll lose afterward. Understanding this connection may help doctors better prepare patients for surgery and set realistic goals.
Geneva, Canton of GenevaAges Any age - NCT06754514Recruiting
Organ retractor device study for weight loss surgery
This trial is testing a device that helps surgeons perform weight loss surgery through small incisions. It may be for you if you are scheduled for minimally invasive bariatric surgery.
Raleigh, North CarolinaAges 18 years+ - NCT06759623Recruiting
Lung function and anesthesia in bariatric surgery
This study checks how well your lungs work after you receive anesthesia (sleep medicine) for weight-loss surgery. It will help doctors choose the best anesthetic for people with obesity.
GdanskAges 18 years+ - NCT06696677Recruiting
Measuring small bowel length in repeat weight-loss surgery
This study compares two ways to measure the length of your small intestine during a second weight-loss surgery. One method uses a 3D CT scan before surgery, and the other uses a special tool during surgery. The goal is to see which method is more accurate and safer.
Cairo, Old CairoAges 16–70 - NCT06488183Recruiting
Pain relief study for laparoscopic weight loss surgery
This study compares two ways to manage pain after laparoscopic bariatric surgery: one method involves numbing medicine placed near the surgery site, and the other uses an ultrasound-guided injection near the back. It aims to find which option works better for recovery in people with moderate to severe obesity.
AlexandriaAges 20–50 - NCT07446972Recruiting
Bariatric surgery and female sexual health study
This study looks at how weight-loss surgery (bariatric surgery) affects a woman's sexual function and hormone levels. It follows women who are already scheduled for surgery to see if their sexual health changes after the procedure.
Cairo, Al-Manial CairoAges 18–45
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Common questions
- Are there clinical trials for bariatric surgery?
- Yes. Clin2 currently lists 238 recruiting bariatric surgery studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a bariatric surgery trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a bariatric surgery trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.