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 1,527 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - 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 - 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 - 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 - NCT06735599Recruiting
Wild blueberries for blood pressure health
This study tests whether eating wild blueberries can improve your gut, brain, and heart health if you have high blood pressure. You'll eat blueberries daily for several weeks and have checkups to see how your body responds.
Atlanta, GeorgiaAges 45–65 - NCT06735651Recruiting
Wild blueberries for gut, brain, and heart health in prediabetes
This study looks at whether eating wild blueberries can improve your gut health, brain function, and heart health if you have prediabetes. It may help lower your blood sugar and reduce your risk for diabetes and heart disease.
Atlanta, GeorgiaAges 20–65 - 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 - NCT06757296Recruiting
Endoscopic revision of sleeve gastrectomy for reflux or poor weight loss
This study tests a new, less invasive way to convert a sleeve gastrectomy into a different type of weight-loss surgery (SASI) in people who have ongoing gastroesophageal reflux or haven't lost enough weight. The goal is to see if this endoscopic procedure can improve reflux and help with weight loss without the need for a traditional surgery.
SingaporeAges 21–65 - NCT06776081Recruiting
Weight loss, fat cell particles, and blood vessel health
This trial looks at how weight loss changes tiny particles released from fat cells and whether that improves blood vessel function. It may help understand how losing weight can protect your heart.
Boulder, ColoradoAges 40 years+ - NCT06780813Recruiting
High flow oxygen to reduce infections in obese gynecologic cancer patients
This trial tests whether giving high flow oxygen during and after surgery can lower the risk of infections in obese women with gynecological cancer. It may help improve recovery after surgery.
AthensAges 18–85 - NCT06781229Recruiting
Gum bacteria in people preparing for weight loss surgery
This trial looks at the bacteria in the mouths of people with a BMI of 30 or higher who are scheduled for weight-loss surgery. The goal is to understand how gum health and body weight are connected.
ToulouseAges 18 years+
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Common questions
- Are there clinical trials for overweight or obesity?
- Yes. Clin2 currently lists 1,527 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.