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
- NCT06690788Recruiting
Couples program to prevent type 2 diabetes (PreventT2 Together)
This research study looks at whether a lifestyle program designed for couples can help prevent type 2 diabetes. Both partners take part together, and the program is based on the National Diabetes Prevention Program.
Salt Lake City, UtahAges 18 years+ - NCT06691100Recruiting
How one workout changes gut bugs in women
This study looks at how a single workout changes the bacteria in your gut. It compares women who are very fit with women who don't exercise much, and includes women with different body types.
Washington D.C., District of ColumbiaAges 21–40 - NCT06693934Recruiting
Prevention program for young adults at risk of diabetes
This trial offers a prevention program for young adults aged 18 to 44 who have at least one risk factor for diabetes but do not already have diabetes. The program aims to help prevent or delay the onset of diabetes.
Hong KongAges 18–44 - NCT06695988Recruiting
Time-restricted eating for weight management in adults with obesity
This study tests if limiting your eating to a certain window of hours each day (time-restricted eating) is a safe and effective way to manage weight for healthy adults with obesity and a sedentary lifestyle.
Oxford, MississippiAges 19–65 - NCT06702085Recruiting
Lifestyle changes for older adults with tinnitus and metabolic syndrome
This study tests whether lifestyle changes (like diet and exercise) can help older adults who have both metabolic syndrome and chronic tinnitus (ringing in the ears). It is for people 65 and older with class 1 obesity and long-term ear ringing in both ears.
Dokki, Giza GovernorateAges 65–75 - NCT06703788RecruitingPhase 1/Phase 2
Traditional Chinese Medicine Day Care for Metabolic Syndrome
This trial tests a day care program that combines traditional Chinese medicine with regular care for people with metabolic syndrome. It aims to see if this approach helps improve your health better than standard care alone.
TaoyuanAges 20–75 - NCT06705400Recruiting
The Bloom Study: A Healthy Start for Mom and Baby
This study follows first-time mothers and their babies from pregnancy to early childhood, using digital tools to support a healthy start. It aims to learn how to improve health and well-being for both mom and baby.
CopenhagenAges birth–6 months - NCT06707012RecruitingPhase 4
Metformin plus antidepressants for depression in obesity
This trial tests whether adding metformin (a diabetes medicine) to usual antidepressant treatment can help improve depression in people who are overweight or obese. It is for adults age 18–44 who are newly diagnosed with depression and do not have diabetes.
Karachi, SindhAges 18–45 - NCT05791604Recruiting
Study prebiotics and probiotics to help children with Prader-Willi
This trial studies whether taking prebiotics and probiotics can help children with Prader-Willi syndrome manage obesity. It’s testing a gut-focused approach to weight control over the study period.
Shanghai, Shanghai MunicipalityAges 3–10 - NCT04297592Enrolling by invitationPhase 4
Antibiotics to prevent infection after hip or knee replacement
This trial studies whether giving antibiotics before and/or after surgery can lower the chance of a serious joint infection after elective hip or knee replacement. It’s aimed at people at higher risk for infection.
Iowa City, IowaAges 18–99 - NCT07625969Recruiting
Nudge Strategies to Help College Students Drink Healthier
This study tests simple, friendly prompts (called 'nudges') to help college students choose healthier drinks instead of sugary sodas or energy drinks. Researchers want to see if reminders and small changes to how drinks are presented can help you make better choices.
Nanjing, JiangsuAges Any age - NCT06959901Recruiting
Health tracking app study for Hispanic teens
This trial tests a mobile app that helps teens keep track of their health habits, like physical activity and eating. It is designed for Hispanic or Latino teens ages 12-18 who have a BMI in a certain range and own an iPhone.
Houston, TexasAges 12–18 - NCT07403604RecruitingPhase 1
Lowering Insulin to Reduce Fat Buildup in the Liver
This study tests if lowering insulin levels can reduce fat buildup in the liver for people with a fatty liver condition called MASLD. It's looking for adults who are overweight and have early signs of insulin resistance but not diabetes.
New York, New YorkAges 18–65 - NCT06714929Recruiting
School water study for students in grades K-5
This study looks at how a new water program in schools might affect student health and hydration. It includes watching what kids drink at lunch, checking teeth and body weight for older students, and asking 4th and 5th graders and staff about their drinks.
Henrico, VirginiaAges 4 years+ - NCT06715358Recruiting
SI! Program Reintervention for Elementary Schools
This trial tests a program called SI! in elementary schools to help children learn healthy habits. It focuses on 1st graders in public or charter schools in Madrid or Catalonia that have a canteen.
MadridAges 5–8 - NCT06715787Recruiting
Perinatal support program for pregnant people
This trial tests a support program for pregnant individuals who qualify for certain food assistance benefits. It aims to see if the program helps with pregnancy and infant health.
Los Angeles, CaliforniaAges 18 years+ - NCT06720766Recruiting
Using FibroScan to Diagnose Fatty Liver in People with Obesity
This study uses a special ultrasound device called FibroScan to check for fatty liver disease (MASLD) in people with obesity who are planning to have weight-loss surgery. The results will be compared to a liver biopsy to see how well the device works.
Chengdu, SichuanAges 18–70 - NCT06724172Recruiting
Comparing health programs for pregnant mothers from diverse backgrounds
This study tests two different health programs for pregnant women to see which one helps mothers and babies more. You may join if you are early in your pregnancy, identify as Black, Hispanic, or have Medicaid, and speak English or Spanish.
Palo Alto, CaliforniaAges 18 years+ - NCT06724406Recruiting
Family-centered weight loss for Black adults
This trial tests a weight loss program for Black adults and a family partner. You and a family member work together to lose weight with support from a smartphone or computer.
Chapel Hill, North CarolinaAges 18–75 - NCT06730113Recruiting
Young adults with type 2 diabetes and heart health study
This study looks at how type 2 diabetes starting in youth affects the heart over time. It also includes teens and young adults who are overweight or lean, and their biological parents, to compare heart health across these groups.
Washington D.C., District of ColumbiaAges 12–25 - NCT06746623Recruiting
Non-endoscopic screening for Barrett's in veterans without reflux
This trial tests a new, non-endoscopic screening method for Barrett's esophagus (a condition that can lead to cancer) in veterans who do not have chronic acid reflux. It aims to find early signs of the condition using a simple swallowable device, potentially avoiding the need for a traditional endoscopy.
Cleveland, OhioAges 40–85 - NCT06750120Recruiting
Improving nutrition during pregnancy in Guatemala
This study tests ways to improve nutrition in pregnant women in Guatemala. It aims to help both mother and baby stay healthy.
Tecpán Guatemala, Departamento de ChimaltenangoAges 16 years+ - NCT06753669Recruiting
Mothers' action project for child health
This study looks at how to help mothers from South Asian communities support their child's health and development. You and your child would join a program that provides guidance and resources over 12 months.
New York, New YorkAges 1–45 - NCT06756789Recruiting
Comparing standard vs. tailored limb lengths in gastric bypass
This study compares two different ways of measuring the length of the small intestine during a type of weight loss surgery called gastric bypass. If you are eligible, you may help determine which approach leads to better weight loss results.
Coimbatore, Tamil NaduAges 18–65
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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.