Clinical trials
Obese Patients With Bariatric Surgery clinical trials
Below are recruiting obese patients with bariatric surgery clinical trials, each written for real people, not researchers. We’re tracking 145 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04766801Recruiting
Survey for teens seeking weight-loss surgery
This study is a health and survey project for teenagers who are considering bariatric (weight-loss) surgery. It aims to better understand the teen experience and support needs before surgery.
Angers, Maine Et LoireAges 14–20 - NCT05330910Recruiting
Repair of a stomach valve during sleeve weight-loss surgery
This trial tests whether doing a specific repair near the stomach valve (the gastroesophageal junction) during laparoscopic sleeve gastrectomy can help people with a loose valve. It is aimed at adults who have a particular endoscopy finding (Hill grade III) and choose this weight-loss surgery.
SingaporeAges 21–65 - NCT04945304Recruiting
9-Step magnetic revisional weight-loss surgery
This trial studies a specific 9-step approach using magnetic technology for people having revisional bariatric (weight-loss) surgery. It may help improve how safely and effectively surgery is done for people who qualify.
Maracaibo, ZuliaAges 18–65 - NCT05987631Recruiting
Predicting weight loss and health after weight loss surgery
This study looks at why some people lose more weight and improve their health more than others after bariatric surgery. It also has a subgroup that specifically studies people who are insulin resistant (a sign of prediabetes) to see how surgery affects their metabolism.
Gouda, South HollandAges 18–75 - NCT04583150Recruiting
Study of fertility and ovarian reserve after weight-loss surgery
This study looks at how ovarian reserve (a fertility-related marker) changes in women after bariatric (weight-loss) surgery versus women with obesity who are not planning surgery. It may help doctors better understand fertility timing and risks around weight-loss treatment.
AngersAges 18–37 - NCT06275061Recruiting
Obesity and metabolic surgery database study
This trial is building a database of people with obesity who have had or are planning to have weight loss surgery (metabolic or bariatric surgery). It helps doctors learn more about long-term results and safety.
Guangzhou, GuangdongAges Any age - NCT06226194Recruiting
Genes and weight loss after bariatric surgery
This study looks at how your genes might affect how much weight you lose after gastric sleeve or gastric bypass surgery. You may be able to help doctors better predict weight loss results for future patients.
Lleida, LeidaAges 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 - NCT06464822Recruiting
Effects of weight-loss surgery on urinary symptoms
This study looks at whether weight-loss surgery can improve urinary symptoms like needing to pee often or suddenly. It is for people with severe obesity who are already being seen at a specific clinic for bariatric surgery.
Hong KongAges 18 years+ - NCT04614961Recruiting
Obesity clinic patient database study
This study collects information about people who visit an obesity clinic. It aims to better understand patients’ health and care needs, which may improve future treatment.
LeuvenAges 18 years+ - NCT07809152Recruiting
Collagen supplements after weight-loss surgery: muscle and body image
This study tests whether taking collagen supplements after weight-loss surgery helps preserve muscle and improve how you feel about your body. It will compare people who take the supplement with those who don't.
Bursa, YıldırımAges 18–65 - NCT07797374Recruiting
Nausea, vomiting, and pain after weight-loss surgery
This study looks at how patients feel after weight-loss surgery, specifically nausea, vomiting, and pain. It uses national registry data to understand these symptoms better, which may help improve care for future patients.
SundsvallAges 18 years+ - NCT07782281Recruiting
Early discharge with home care after weight-loss surgery
This study compares early discharge from the hospital with follow-up care at home versus the usual hospital stay after bariatric (weight-loss) surgery. It aims to see if going home early with home care is safe and reduces costs.
Sabadell, BarcelonaAges 18–65 - NCT06426290Recruiting
Predicting success after weight-loss surgery
This study looks at whether a psychological test can help predict who will do well after weight-loss surgery. Researchers are reviewing past test results and surgery outcomes to find patterns.
MoulinsAges 18 years+ - NCT07747779Recruiting
Comparing two weight-loss surgeries for very high body weight
This study compares two types of weight-loss surgery to see how they affect hormones after a meal. It may help you choose a surgery that improves your health and weight loss.
Pathum Wan, BangkokAges 18–60 - NCT07717333Recruiting
Sarcopenia signs after weight loss surgery
This study looks at muscle changes after bariatric (weight loss) surgery. It may help you understand how your muscles are affected and what you can do to stay strong.
Istanbul, KÜÇÜKÇEKMECEAges 18–65 - NCT06599047Recruiting
Fat tissue study in type 2 diabetes surgery patients
This study looks at fat tissue in people with type 2 diabetes who are having abdominal surgery. It aims to understand how fat differs in people with diabetes compared to those without, which may help improve future treatments.
Montreal, QuebecAges 18–65 - NCT06661174Recruiting
Weight loss surgery study for diabetes with kidney problems
This study tests if bariatric surgery can help people whose diabetes is quickly damaging their kidneys. It may slow down kidney disease and improve health.
Beijing, Beijing MunicipalityAges 18–65 - NCT06680492Recruiting
Nutrition and muscle health after weight loss surgery
This study looks at how nutrition affects muscle strength and function in people who have bariatric surgery. It may help you understand how to keep your muscles healthy after surgery.
Montreal, QuebecAges 18–65 - 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 - NCT07587437Enrolling by invitation
Magnetic Camera Exam Before Weight-Loss Surgery
This study tests a swallowable magnetic camera to examine your stomach and small intestine before bariatric (weight-loss) surgery. The camera may help doctors plan your surgery and catch any issues beforehand.
Cleveland, OhioAges 18 years+ - NCT05859022Recruiting
Bariatric treatment methods compared for diabetes and metabolism
This trial compares a less invasive heart/artery-based bariatric treatment (bariatric arterial embolization) with standard weight-loss surgery to see how they affect metabolism and type 2 diabetes. You might be considered if you have obesity with type 2 diabetes and have not had prior bariatric surgery.
LisbonAges 18–75 - NCT07568938Recruiting
Anesthesia types and stress response in weight-loss surgery
This study compares two anesthesia methods—inhaled gas (desflurane) versus IV medication (TIVA)—during weight-loss surgery to see how each affects your body's stress response and recovery. The goal is to understand which approach may be safer and more comfortable for patients having bariatric surgery.
AthensAges 18–65 - NCT06756789Recruiting
Comparing standard vs. tailored limb lengths in gastric bypass
This study compares two different ways of measuring the length of the small intestine during a type of weight loss surgery called gastric bypass. If you are eligible, you may help determine which approach leads to better weight loss results.
Coimbatore, Tamil NaduAges 18–65
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Common questions
- Are there clinical trials for obese patients with bariatric surgery?
- Yes. Clin2 currently lists 145 recruiting obese patients with 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 obese patients with 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 obese patients with 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.