Clinical trials
Obesity clinical trials
Excess body weight that increases the risk of many other health conditions. We’re tracking 1,500 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06174389Recruiting
Weight loss study: diet, appetite and body changes
This study looks at how diet, appetite, and body changes work together during weight loss. It's designed for people with a BMI of 30 to 50 who want to lose weight and are not taking certain medications or have certain health conditions.
Seattle, WashingtonAges 18–60 - NCT06184633RecruitingPhase 4
Weight control in atrial fibrillation study
This study tests if a weight management program helps people with a new type of irregular heartbeat (atrial fibrillation) and obesity. It aims to see if losing weight can improve heart rhythm and reduce the need for further treatment.
Arnhem, GelderlandAges 18 years+ - NCT06192251Recruiting
Lifestyle medicine program for chronic conditions
This trial tests a complete lifestyle medicine program to help people with conditions like prediabetes, diabetes, high blood pressure, heart disease, high cholesterol, or being overweight. The program aims to improve your overall health through diet, exercise, and other lifestyle changes.
Parry Sound, OntarioAges 18 years+ - NCT06207110Recruiting
Family support program for children with high food responsiveness
This study tests a program for families with children ages 7–12 who have overweight or obesity and often feel strong urges to eat. The program helps parents support their child in eating healthier and being more active.
La Jolla, CaliforniaAges 7–12 - NCT06209996Recruiting
Weight management program for Chinese cancer survivors
This trial is for Chinese cancer survivors who are overweight. It offers a weight management program to help you live healthier after treatment.
Hong KongAges 18 years+ - NCT06211556Recruiting
Reducing liver fat in type 2 diabetes
This study tests whether reducing liver fat can improve health in people with type 2 diabetes. It looks at the effects of a specific medication combined with exercise, tailored for those who are not very active.
Copenhagen, Capital RegionAges 30–70 - NCT06223555Recruiting
Mixed meal energy study in healthy adults
This study looks at how your body responds to a mixed meal (a test drink or meal) when the calories are either fixed or adjusted to your energy needs. It may help researchers understand how to measure metabolism more accurately.
Phoenix, ArizonaAges 18–99 - NCT06226077RecruitingPhase 1/Phase 2
Sleep health program for African American adults
This study is testing a culturally tailored program to help African American adults who are overweight and sleep poorly get more sleep. If you join, you'll work with a coach to improve your sleep habits and health.
Minneapolis, MinnesotaAges 21–75 - 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 - NCT06230510Recruiting
Whole vs. low-fat milk study for toddlers
This study compares the health effects of drinking whole milk versus 1% low-fat milk for one year in children aged 23 to 48 months. Researchers want to see which type of milk is better for growth and overall health.
Oakland, CaliforniaAges 1.9 years–4 years - NCT06234332Recruiting
Peking University Birth Cohort in Weifang
This study follows pregnant women and their families in Weifang to learn about health during pregnancy, birth, and early childhood. If you join, you, your husband, and your baby will be part of a long-term research project that tracks your health and development.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06239116RecruitingPhase 1/Phase 2
RM-718 for obesity from hypothalamus injury or Prader-Willi syndrome
This study tests a new medicine called RM-718 for people with severe obesity linked to a specific brain pathway (MC4R). It may help if your obesity is due to a brain injury or tumor affecting the hypothalamus, or if you have Prader-Willi syndrome.
Birmingham, AlabamaAges 12–65 - NCT06241144Recruiting
Supporting healthy habits after childbirth
This trial helps women who had a high body weight before pregnancy make lasting lifestyle changes after giving birth. It uses a smartphone program to support healthier eating and physical activity.
OuluAges 18 years+ - NCT06244888RecruitingPhase 2
Using new strategies to help maintain weight loss
This study tests a method to help people who have already lost weight keep it off. It uses a control systems engineering approach to provide personalized support.
Providence, Rhode IslandAges 18–70 - NCT06264427Recruiting
Study of metabolism issues in Greenland
This study looks at the genes and physical traits of people in Greenland with type 2 diabetes or severe obesity. It aims to better understand these conditions to improve care.
Nuuk, SermersooqAges 18 years+ - NCT06265246Recruiting
Milk and yogurt for stronger bones in young adults
This study tests whether adding milk and yogurt to your diet can improve bone health and body composition. If you're a young adult with low calcium intake, you may qualify to join.
Saskatoon, SaskatchewanAges 19–30 - 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+ - NCT06277232Recruiting
Nutrition care for chronic pain patients
This trial tests a nutrition care program for people with chronic pain who are also overweight. You will receive support to improve your diet while attending a pain rehabilitation program.
Linköping, Östergötland CountyAges 18 years+ - NCT06278285Recruiting
GLP-1 drug effect on fat tissue before bariatric surgery
This study looks at how taking a GLP-1 medicine (like Ozempic or Wegovy) affects your fat tissue before bariatric surgery. It compares people who have taken a GLP-1 for at least 3 months to those who never have.
Nice, Alpes-maritimesAges 18 years+ - NCT06283381RecruitingPhase 4
Effect of heartburn drugs on stomach sleeve results
This study looks at whether taking a common heartburn medicine (proton pump inhibitor) affects the long-term results of a weight-loss procedure called Endoscopic Sleeve Gastroplasty (ESG). It might help you if you are planning to have ESG or have already had it and want to understand how acid-reducing drugs could impact your recovery and weight loss.
RomaAges 18–65 - NCT06286761Recruiting
Validation of lab tests for metabolism research
This study checks how reliable routine lab tests and research techniques are for metabolism research. It may help you if you are a healthy adult with a stable weight and no major health conditions.
Columbia, MissouriAges 18–75 - NCT06291766Recruiting
Gestational diabetes after gastric bypass study
This study looks at how a continuous glucose monitor (CGM) can help manage blood sugar in pregnant women who have had gastric bypass surgery and now have gestational diabetes. It aims to find better ways to monitor and treat diabetes during pregnancy for women after this type of weight-loss surgery.
LundAges 18–50 - NCT06292728Recruiting
Study of the ENDOPLY System for Weight Loss
This trial tests a new device called the ENDOPLY system, which is placed inside the stomach through a tube in the mouth to help with weight loss. It is for people who have struggled with dieting and have a BMI between 30 and 40.
BrnoAges 18–60 - NCT06292936Recruiting
Remi for weight regain after weight loss surgery
This study tests if the medication Remi can help people who have gained back at least 5% of their lowest weight after gastric bypass or sleeve gastrectomy. It is meant for those who are not currently using other weight loss drugs and are otherwise healthy enough to participate.
Chicago, IllinoisAges 18–70
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Common questions
- Are there clinical trials for obesity?
- Yes. Clin2 currently lists 1,500 recruiting 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 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 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.