Clinical trials
Overweight or Obesity clinical trials
Below are recruiting overweight or obesity clinical trials, each written for real people, not researchers. We’re tracking 1,532 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06455878Recruiting
Mobile app for weight loss in heart failure patients
This trial tests a mobile app that helps you track your diet to manage your weight. It is designed for people with heart failure who are overweight and have recently been in the hospital for their condition.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06557317Recruiting
Lifestyle program for Black teen girls at risk for type 2 diabetes
This study tests if an in-person lifestyle program can help prevent type 2 diabetes in Black adolescent girls who have obesity. The program involves both the teen and a caregiver who prepares most of the household meals.
Brooklyn, New YorkAges 12–18 - NCT06599918RecruitingPhase 2
Nicotinamide for liver scarring in fatty liver disease
This study tests whether nicotinamide (a form of vitamin B3) can help reduce liver scarring in people with nonalcoholic fatty liver disease. You may qualify if you have moderate to severe liver scarring and are between 18 and 85 years old.
BarcelonaAges 18–85 - NCT07690163Recruiting
Diabetes blood sugar check in newly diagnosed patients
This trial is checking how well blood sugar is controlled in adults recently diagnosed with type 2 diabetes (within the last 3 months). It aims to see if current treatments or lifestyle changes are working and may help guide future care.
KyivAges 18 years+ - NCT06626360Recruiting
Screening for malnutrition in people with obesity
This study looks at whether overweight or obese patients may also be malnourished. Researchers will screen people with a BMI of 25 or higher to find hidden malnutrition so they can get the right nutritional support.
AmsterdamAges 18 years+ - NCT06645470Recruiting
Muscle and movement study for weight loss medications
This study looks at how anti-obesity medications like semaglutide (Ozempic, Wegovy) and tirzepatide (Mounjaro, Zepbound) affect your muscles and movement. It may help researchers understand how to combine these drugs with exercise for better health.
Kansas City, KansasAges 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 - NCT06739473RecruitingPhase 4
How obesity affects glucose use in the body
This trial looks at how the body uses sugar (glucose) for energy in people with and without obesity. Results could help find better treatments for metabolic conditions.
TurkuAges 20–60 - NCT06752967Recruiting
Hormones and appetite in obesity study
This study looks at how hormones control appetite and food choices in people with obesity. You will eat test meals and have blood samples taken to measure your body's response.
Herlev, DenmarkAges 18–45 - NCT06786052RecruitingPhase 2
Study on after-meal energy in adults 50–70
This trial studies how a probiotic supplement affects energy use after meals in adults aged 50–70 who are overweight. You'll take either the probiotic or a placebo for several weeks.
Pierre-Bénite, Auvergne-Rhône-AlpesAges 50–70 - NCT06790160Recruiting
Study of weight-loss medication effects on body composition
This trial looks at how two weight-loss medications, semaglutide and tirzepatide, affect your body's fat and muscle. It may help you understand if these medications improve your overall health beyond just weight loss.
Lubbock, TexasAges 18 years+ - NCT06857929Recruiting
Nutrition study for metabolic syndrome
This study tests whether a personalized nutrition plan can improve health and lower the risk of chronic diseases like diabetes and heart disease in middle-aged adults with metabolic syndrome.
Madrid, MadridAges 30–50 - NCT06861868Recruiting
Brain and behavior's role in childhood obesity
This study looks at how the brain and behavior contribute to obesity from infancy through childhood. It may help researchers understand why some children develop obesity and how to prevent it.
Baltimore, MarylandAges 7–12 - NCT06893016RecruitingPhase 3
Study of RAY1225 for adults with obesity or overweight
This trial tests a new medicine called RAY1225 to help people lose weight. If you have obesity or are overweight with related health conditions, you may be able to join.
BeijingAges 18 years+ - NCT06937060RecruitingPhase 3
Semaglutide for psoriasis and obesity
This trial tests if semaglutide, a medicine used for diabetes and weight loss, can help people with both psoriasis and obesity. You may qualify if you have moderate to severe psoriasis, a high body weight, and are of Chinese descent.
Hong KongAges 18–75 - NCT07032545Recruiting
Broccoli microgreens study for obese breast cancer survivors
This trial tests if eating broccoli microgreens can improve metabolism in obese breast cancer survivors. Participants will avoid other cruciferous vegetables during the study to see how the microgreens affect their health.
Baltimore, MarylandAges Any age - NCT07081152Recruiting
Iron absorption and losses in young South African women
This study looks at how well young South African women absorb iron and how much iron they lose, comparing women with healthy weight to women with overweight or obesity. It aims to learn if body weight affects iron balance.
Potchefstroom, North WestAges 18–35 - NCT07090005Recruiting
Endoscopic weight loss: comparing EndoZip and Apollo ESG
This study compares two different endoscopic procedures (EndoZip and Apollo ESG) to help obese patients lose weight. Both are done through the mouth without cutting the skin, and the goal is to see which works better and is safer.
Los Angeles, CaliforniaAges 21–65 - NCT07112521Recruiting
Brain stimulation for thinking problems after breast cancer
This study tests whether a gentle brain stimulation technique called tDCS can help with thinking and memory problems after breast cancer treatment. It compares women with and without obesity to see if the treatment works differently.
Helsinki, UusimaaAges 18 years+ - NCT07129434Recruiting
Helping mothers with PCOS and their babies bond better
This study tests whether a special program can help mothers with PCOS and obesity improve their emotional connection with their babies. It may offer tools for healthier emotional growth for both mom and child.
OuluAges Any age - NCT07143552Recruiting
Bone health in kids with fractures from minor falls
This study looks at bone health in children aged 3 to 15 who break a bone after a minor fall (like tripping). It compares them to children who don't break a bone, to see if things like body weight, sun exposure, or other factors affect bone strength.
Brixen, BolzanoAges 3–15 - NCT07165548Recruiting
Testing a special diet for weight and health in obesity
This trial tests whether a special diet with foods that make you feel full can help people with overweight or obesity lose weight and improve their heart, metabolic, and joint health.
Pamplona, NavarreAges 18–65 - NCT07185789Recruiting
Health program for fourth graders in Mexico
This trial tests a health program in Mexican elementary schools. If you are a fourth grader in Campeche, Morelos, or Mexico City, you may be able to join.
Cuernavaca, MorelosAges 9–12 - NCT07205432RecruitingPhase 1
Testing XTL6001 in healthy and obese adults
This early-stage trial tests a new medication (XTL6001) in healthy and obese adults to see if it is safe. It is for people who are not diabetic, have no history of certain stomach, pancreas, or gallbladder problems, and have a BMI up to 40.
Beijing, Beijing MunicipalityAges 18–65
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Common questions
- Are there clinical trials for overweight or obesity?
- Yes. Clin2 currently lists 1,532 recruiting overweight or obesity 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 obesity 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 obesity 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.