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
- NCT07336862RecruitingPhase 1/Phase 2
Weight loss surgery plus GLP-1 drug for obesity and diabetes
This trial tests whether adding a GLP-1 receptor agonist (a medication that helps control blood sugar and appetite) after weight loss surgery improves outcomes for people with severe obesity and related health problems like type 2 diabetes.
BeijingAges 18–60 - NCT07212868RecruitingPhase 1
How glucagon affects blood sugar after weight loss surgery
This study looks at how the hormone glucagon affects blood sugar in people who have had gastric bypass or sleeve gastrectomy surgery more than a year ago, compared to people who have not had any gastrointestinal surgery. It aims to understand glucose metabolism better and may help improve care for people after bariatric surgery.
San Antonio, TexasAges 18–65 - NCT06789965Recruiting
Comparing two weight loss surgeries for severe obesity
This trial compares two different surgical techniques for people with severe obesity (BMI 40-50) to see which works better. It is for those who are good candidates for bariatric (weight loss) surgery.
Barcelona, BarcelonaAges 18–60 - NCT07119437Recruiting
Low-impact laparoscopy for weight loss surgery
This trial compares a newer, less invasive laparoscopic technique to the standard method for sleeve gastrectomy, a type of weight-loss surgery. It aims to see if the low-impact approach reduces pain and speeds recovery.
Rome, ItalyAges 18–65 - NCT04901429Recruiting
Check truncal nerve procedure during weight-loss surgery
This study looks at a nerve-related surgical step (“truncal vagotomy”) during revision weight-loss surgery that changes a sleeve stomach to a gastric bypass. It may help improve outcomes for people who need this type of second surgery.
Dallas, TexasAges 18 years+ - NCT07033221Recruiting
Balance and inner ear function in obesity
This study looks at how obesity affects your sense of balance (vestibular function). It compares people with obesity who are candidates for weight-loss surgery to people without obesity, to see if weight affects balance.
Istanbul, KüçükçekmeceAges 18–60 - NCT02904291Recruiting
Blood-pressure medicine study around weight-loss surgery
This study checks how amlodipine (a blood-pressure medicine) gets absorbed in your body before and after gastric bypass or sleeve gastrectomy. It may help doctors better manage blood pressure medicines after weight-loss surgery.
TrondheimAges 18–70 - NCT06289413Recruiting
Nervous system changes after weight-loss surgery
This study looks at how bariatric surgery affects the part of your nervous system that controls things like heart rate and blood pressure (autonomic function). It may help patients preparing for or recovering from weight-loss surgery.
Overland Park, KansasAges 18–85 - NCT06484621Recruiting
Preventing weight regain after weight loss surgery with exercise
This study looks at whether increased physical activity can help prevent weight regain after weight loss surgery. It is for people who had gastric bypass or sleeve gastrectomy in the last 6–20 months and have regained less than 10% of their lost weight.
Hartford, ConnecticutAges 18–64 - NCT04893954Recruiting
Study of spine changes after weight loss from bariatric surgery
This study looks at how rapid weight loss after bariatric surgery may affect your spine over the following year or more. It may help doctors better predict who gets spine-related problems or improvements after surgery.
ParisAges 18 years+ - NCT06271317Recruiting
Complications after sleeve gastrectomy study
This study looks at complications after a type of weight-loss surgery called sleeve gastrectomy (removing part of the stomach). If you are considering this surgery and meet the weight/health guidelines, you may be able to join to help doctors learn more about risks and recovery.
Nantes, NantesAges 18 years+ - NCT05975580RecruitingPhase 4
Medication plus lifestyle counseling for weight regain after bariatric surgery
This study looks at whether adding medication to lifestyle counseling can help people who have regained weight after sleeve gastrectomy or gastric bypass. It focuses on improving weight control and related health after surgery.
Orange, CaliforniaAges 18–70 - NCT04639778Recruiting
Using a connected scale to track weight after bariatric surgery
This study tests whether a connected scale can help monitor your weight over time after gastric bypass or sleeve surgery. It may help your care team spot changes earlier, by sending weight information from your home.
Boulogne-sur-MerAges 18 years+ - NCT04922333RecruitingPhase 3
Bisphosphonate to prevent bone loss after sleeve weight-loss surgery
This study looks at whether a bisphosphonate medicine can reduce bone loss after sleeve gastrectomy (a type of weight-loss surgery). If you had the surgery, it may help protect your bones while you recover and lose weight.
Winston-Salem, North CarolinaAges 30 years+ - NCT03532477Recruiting
Venlafaxine medicine study around weight-loss stomach surgery
This study looks at how the antidepressant venlafaxine is absorbed in the body when people undergo gastric bypass or sleeve gastrectomy. It may help doctors understand whether dosing should change after surgery.
TrondheimAges 18–70 - NCT03538457Recruiting
Gastric bypass or sleeve surgery and paracetamol absorption
This study looks at how your body absorbs paracetamol (acetaminophen) after planned weight-loss surgery. It may help doctors better guide pain- and fever-medication dosing after gastric bypass or sleeve gastrectomy.
TrondheimAges 18–70 - NCT03535376Recruiting
Studies how valsartan works after bariatric surgery
This study looks at how the blood-pressure medicine valsartan is absorbed and processed in your body after gastric bypass or sleeve surgery. It may help doctors choose safer, more effective dosing after weight-loss surgery.
TrondheimAges 18–70 - NCT03519893Recruiting
Study of blood pressure drug handling after weight-loss surgery
This study looks at how losartan (a blood pressure medicine) moves through the body after gastric bypass or sleeve gastrectomy. It may help doctors better choose and dose blood pressure treatment after weight-loss surgery.
TrondheimAges 18–70 - NCT03519906Recruiting
Bariatric surgery study measuring how metoprolol is absorbed
This study looks at how metoprolol (a blood-pressure medicine) gets absorbed in the body before and after bariatric weight-loss surgery. If you’re preparing for gastric bypass or sleeve surgery, this may help researchers understand dosing and medicine absorption changes after surgery.
TrondheimAges 18–70 - NCT03476551Recruiting
Gastric bypass or sleeve check for a water-pill response
This study looks at how well hydrochlorothiazide (a “water pill”) works in the body after gastric bypass or sleeve surgery. It may help doctors better predict dosing and effects after these weight-loss operations.
TrondheimAges 18–70 - NCT03497143Recruiting
Gastric bypass or sleeve surgery and lamotrigine drug levels
This study measures how well lamotrigine (a seizure/mood-stabilizing medicine) is absorbed after planned weight-loss surgery. It may help doctors understand whether medicine doses need adjustment after bypass or sleeve surgery.
TrondheimAges 18–70 - NCT03460366Recruiting
Bariatric surgery and how enalapril moves in the body
This study looks at how the blood-pressure medicine enalapril is absorbed and processed after gastric bypass or sleeve gastrectomy. It may help doctors better predict dosing and effects after weight-loss surgery.
TrondheimAges 18–70 - NCT03476577Recruiting
Bariatric surgery study measuring how ibuprofen is absorbed
This study looks at how ibuprofen is absorbed by the body around the time of bariatric (weight-loss) surgery. It may help doctors understand how to use pain medicine safely and effectively after surgery.
TrondheimAges 18–70 - NCT03440177Recruiting
Study medicine absorption after weight-loss stomach surgery
This study looks at how your blood pressure medicine (ramipril) is absorbed and handled by the body after gastric bypass or sleeve gastrectomy. It may help improve how these medicines are used after weight-loss surgery.
TrondheimAges 18–70
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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.