Clinical trials
Overweight or Obese clinical trials
Below are recruiting overweight or obese clinical trials, each written for real people, not researchers. We’re tracking 1,472 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06534541Recruiting
Early eating study for toddlers and parents
This study looks at how genes, parenting, and eating habits interact in toddlers. Eligible families will have one study visit when the child is between 2.25 and 3 years old.
Hanover, New HampshireAges 2.3 years–6 years - 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 - NCT04328337RecruitingPhase 1/Phase 2
Study tests how rising fatty acids affect brain fuel use
This early-phase study will raise fatty acid levels temporarily and see how the brain uses glucose (sugar) and processes energy. It may help researchers understand how metabolism in the body can change brain function.
Chapel Hill, North CarolinaAges 18–45 - NCT07257484RecruitingPhase 4
Tirzepatide study for breast cancer survivors with obesity
This trial tests if tirzepatide, a weight-loss medication, can help postmenopausal women with hormone-positive breast cancer who have obesity. It aims to improve health outcomes after completing cancer treatment.
New York, New YorkAges 18 years+ - NCT07234916Enrolling by invitation
Multivitamins for people starting weight-loss injections
This trial tests whether a multivitamin can help people on the weight-loss injection Tirzepatide maintain healthy vitamin levels. If you're using this injection and meet the other criteria, you may join.
AmersfoortAges 18–70 - NCT06372015Recruiting
Diet program vs bariatric surgery for liver health
This study compares two ways to help people with obesity and liver problems: a special diet program or weight-loss surgery. Researchers will look at changes in fats, immune system, and genetic markers to see which approach works better.
Castellana Grotte, BariAges 18 years+ - NCT07226947Recruiting
Exercise to prevent muscle loss with GLP-1 medication
This study looks at whether exercise can help prevent muscle loss in people taking GLP-1 medications (like Wegovy, Ozempic, or Mounjaro) for weight loss. It may help you keep your muscles strong while you lose weight.
Boston, MassachusettsAges 18–99 - NCT07223151Recruiting
A taste test to help teens drink fewer sugary sodas
This study tests whether a special way of tasting sweet drinks can help teens who love sugary beverages cut back on them. It might help you reduce sugar and improve your health.
Bloomington, IndianaAges 12–18 - NCT07229963Recruiting
Short exercise breaks for improving after-meal health in overweight adults
This study looks at how different ways of breaking up long periods of sitting (like short exercise breaks) affect your body after meals, especially in overweight adults. It may help you learn simple strategies to improve how your body handles food and sugar.
Ankara, BeytepeAges 30–45 - NCT07225816RecruitingPhase 1
How fasting affects stomach food with GLP-1 drugs
This study looks at how long fasting and temporarily stopping certain diabetes or weight-loss medications (like semaglutide or liraglutide) affects how much food stays in your stomach. It may help understand how these medications work in people who are overweight.
Cypress, CaliforniaAges 18 years+ - NCT02937649Recruiting
Testing a bougie tool during sleeve stomach surgery
This trial checks a specific surgical measuring tool (“bougie”) used during sleeve gastrectomy (weight-loss stomach surgery). It may help the surgical team improve how the sleeve is formed while keeping safety in mind.
Boulogne-BillancourtAges 18–70 - NCT06621394Recruiting
Mediterranean diet and mindful eating for depression and obesity
This study tests if a Mediterranean diet combined with mindful eating can help reduce depression severity in people who have both obesity and major depressive disorder. You would follow a special eating plan and learn mindfulness techniques to see if they improve your mood.
StuttgartAges 18 years+ - NCT06915558Recruiting
Reducing inflammation in weight loss surgery
This trial tests a method to control inflammation during bariatric surgery. It may help patients recover better and have fewer complications.
Barcelona, BarcelonaAges 18–65 - NCT07215533Recruiting
Exercise trials for teens and young adults at risk for diabetes
This study compares two types of exercise—high-intensity interval training (HIIT) and time-restricted eating (TRE)—to help lower the risk of developing type 2 diabetes in teens and young adults who are overweight or have obesity.
Syracuse, New YorkAges 14–30 - NCT07213271Recruiting
Exercise study for obese breast cancer survivors
This study tests whether a physical exercise program can improve metabolism, gut health, fitness, and quality of life in obese women who have completed breast cancer treatment at least one year ago.
BratislavaAges 25–70 - NCT06509464Recruiting
High-intensity interval training for women with central obesity
This study tests whether high-intensity interval training can improve the severity of metabolic syndrome in women who carry extra weight around their belly. It may help you understand how exercise affects your overall health.
GizaAges 25–45 - NCT06428617Recruiting
Stomach ablation treatment for weight loss
This trial studies a new stomach procedure called fundus ablation to help with weight loss. The doctor uses a device to treat the upper part of your stomach, and you'll follow a special diet long-term.
Cary, North CarolinaAges 18–65 - NCT07209995Enrolling by invitation
Ultrasound-guided arm block for obese patients
This trial compares two types of ultrasound-guided nerve blocks for obese patients having surgery on or below the elbow. The goal is to find which approach works best for this group.
ZagazigAges 21–45 - NCT06745102Recruiting
Hop compounds for immune health in people with extra weight
This trial tests if compounds from hops can help the immune system of people who are overweight and showing early signs of metabolic issues like prediabetes, fatty liver, or mild high blood pressure.
ViennaAges 18–75 - NCT07209202Recruiting
Study on Fructose Handling in Obesity
This study looks at how the body handles fructose (a natural sugar) in people with different weights. It may help explain why some people process sugars differently.
Vallejo, CaliforniaAges 20–55 - NCT07207772Recruiting
Electric lung imaging vs. standard breathing support in weight-loss surgery
This study compares two ways of setting the breathing machine during weight-loss surgery: one guided by electrical impedance tomography (EIT) and the other by standard care. The goal is to see which one helps your lungs work better during and after surgery.
Jinan, ShandongAges 18–65 - NCT07211217Recruiting
Time-restricted eating for bipolar depression
This study tests if eating only during a specific daily window can help with weight loss and mood in people with bipolar disorder who are currently depressed and overweight.
Boston, MassachusettsAges 18–65 - NCT04735835Recruiting
Personalized diet testing using ZOE app and blood samples
This trial studies how different food compositions affect your body, using the ZOE testing program plus meals you eat and blood samples you collect. It may help you learn more about what foods work best for you, especially if you have a long-term health condition.
Needham, MassachusettsAges 18 years+ - NCT07193927RecruitingPhase 2
Testing a probiotic mix for fatty liver disease (MASLD)
This trial tests whether a probiotic mixture can improve liver health in people with moderate fatty liver disease (MASLD). It looks at how the probiotic affects liver fat, inflammation, and metabolism.
Girona, GironaAges 18–75
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Common questions
- Are there clinical trials for overweight or obese?
- Yes. Clin2 currently lists 1,472 recruiting overweight or obese 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 overweight or obese 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 overweight or obese 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.