Clinical trials
Bariatric Surgery (Sleeve Gastrectomy ) clinical trials
Below are recruiting bariatric surgery (sleeve gastrectomy ) clinical trials, each written for real people, not researchers. We’re tracking 105 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06721507RecruitingPhase 4
Tirzepatide after weight loss surgery
This study tests whether giving tirzepatide (a medicine that helps with weight and blood sugar) right after weight loss surgery can improve results. It is for people who are already scheduled for sleeve gastrectomy or gastric bypass at UK HealthCare.
Lexington, KentuckyAges 18 years+ - 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 - NCT07600411Recruiting
Weight-loss surgery and mood: comparing two surgical approaches
This study follows patients undergoing one of two common weight-loss surgeries (sleeve gastrectomy or gastric bypass) to see how each affects binge eating, depression, and anxiety. Researchers want to understand which surgery may help improve both weight and mental health outcomes.
Cairo, Al-Manial CairoAges 18–60 - NCT03472157Recruiting
Bariatric surgery for severe NASH with advanced liver scarring
This study tests whether bariatric surgery (either sleeve gastrectomy or Roux-en-Y gastric bypass) improves severe nonalcoholic steatohepatitis (NASH) with advanced liver scarring in people who are obese. You may also need liver biopsies to confirm your liver disease before and after treatment.
LilleAges 18–65 - NCT02811900Recruiting
Study of outcomes after weight-loss (bariatric) surgery
This study follows adults who have bariatric (weight-loss) surgery to see what outcomes they experience afterward. It may help doctors better understand how well the surgery works in real life.
StrasbourgAges 18 years+ - NCT07011628Recruiting
Transition to outpatient weight-loss surgery trial
This study tests if sending you home the same day after weight-loss surgery is safe and effective. You must have a BMI of 60 or less and be getting your first sleeve gastrectomy or gastric bypass at Vanderbilt University Medical Center.
Nashville, TennesseeAges 25–55 - NCT07268508Recruiting
Study of a gut-healthy diet after weight-loss surgery
This study tests how a special diet after weight-loss surgery affects gut bacteria, eating habits, and sense of taste and smell. Researchers want to see if this diet can improve long-term results.
LyonAges 25–65 - NCT04581447RecruitingPhase 3
Metformin to help prevent diabetes returning after weight surgery
This Phase 3 study tests whether adding metformin after gastric bypass or sleeve surgery can help you stay free of diabetes for longer. It compares metformin plus standard care versus standard care alone.
AmiensAges 18–70 - NCT06575738RecruitingPhase 1
Semaglutide for teens after weight-loss surgery
This study looks at how teenagers and young adults respond to weight-loss surgery (sleeve gastrectomy) and whether adding a medication called semaglutide can help improve weight loss. It has two parts: first observing how surgery affects you, then testing if semaglutide helps those who didn't lose enough weight after surgery.
Aurora, ColoradoAges 12–24 - NCT07131605Recruiting
How weight-loss surgery affects heart health and inflammation
This study looks at how weight-loss surgery affects heart health by checking markers of inflammation in the blood and how blood vessels work. It may help understand why surgery lowers heart risk for people with obesity.
Cotignola, RavennaAges 18 years+ - NCT07495020Recruiting
Weight loss surgery study for type 2 diabetes
This study tests a new type of weight loss surgery for people with type 2 diabetes and a body mass index (BMI) between 25 and 35. The surgery uses a clip and a special stitch to help with weight loss and diabetes control.
AstanaAges 18–65 - NCT05242835Recruiting
Study for weight regain after sleeve stomach surgery
This trial studies a specific type of metabolic (weight-related) surgery for people whose sleeve gastrectomy did not lead to enough weight loss or has caused significant weight regain. It may help improve long-term weight and related health problems.
Québec, QuebecAges 18–60 - NCT04942093Recruiting
High-protein low-calorie diet before weight-loss surgery
This trial studies whether a higher-protein, lower-calorie diet before sleeve gastrectomy (a type of weight-loss surgery) changes outcomes after surgery. You may be able to join if you’re scheduled for the operation and meet specific health and safety requirements.
DieppeAges 18–65 - NCT07423780Recruiting
Exercise after weight-loss surgery
This study tests a supervised exercise program for people who recently had weight-loss surgery (sleeve gastrectomy or gastric bypass). It aims to help improve physical fitness and recovery after surgery.
Santiago, Santiago MetropolitanAges 18–60 - NCT07822763Recruiting
Carbohydrate drink before weight-loss surgery for faster recovery
This study tests whether drinking a special carbohydrate drink before weight-loss surgery can help your stomach and intestines recover faster after the operation. If you have metabolic syndrome and are planning certain types of bariatric surgery, this may help you improve your recovery.
Chongqing, Chongqing MunicipalityAges 18–65 - NCT03460314Recruiting
Testing buprenorphine absorption around stomach weight-loss surgery
This study checks how well buprenorphine (a medicine used for opioid dependence and pain in some cases) works in the body after gastric bypass or sleeve gastrectomy. It may help doctors better plan dosing and timing around weight-loss surgery.
TrondheimAges 18–70 - NCT03460379Recruiting
Bariatric surgery and how escitalopram is absorbed
This study looks at how a common antidepressant, escitalopram, moves through your body before and after gastric bypass or sleeve gastrectomy. Results may help doctors better choose dosing for people taking this medication around the time of weight-loss surgery.
TrondheimAges 18–70 - 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 - 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 - 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 - 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+ - NCT07350967Recruiting
Magnetic weight-loss procedure for diabetes or weight regain
This trial tests a new procedure that uses magnets to reroute part of your small intestine. It is for people with type 2 diabetes or who have had a sleeve gastrectomy and gained weight back. The goal is to see if this magnetic treatment can help with weight loss and diabetes control.
Ahmedabad, GujaratAges 25–65
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Common questions
- Are there clinical trials for bariatric surgery (sleeve gastrectomy )?
- Yes. Clin2 currently lists 105 recruiting bariatric surgery (sleeve gastrectomy ) 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 (sleeve gastrectomy ) 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 (sleeve gastrectomy ) 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.