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 1,530 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT02646475RecruitingPhase 1
Study angiotensin medicine to improve metabolism in obesity
This Phase 1 study tests how a medication that affects the body’s angiotensin system (angiotensin-(1-7)) changes metabolism in adults with obesity, insulin resistance, and high blood pressure. It may help researchers understand whether this approach can improve blood sugar/insulin function and related body changes.
Nashville, TennesseeAges 18–60 - NCT02273297Recruiting
Healthy Start study for pregnant people and newborns in Colorado
This study looks at how early-life “fuel” (nutrition) affects how babies grow in the womb and after birth. You may be able to join if you’re pregnant with a single baby and plan to deliver in Colorado, and if you and your pregnancy meet the health and timing requirements.
Aurora, ColoradoAges 16 years+ - NCT02390765Recruiting
Study of growth, weight, and behavior in children
This study looks at how children’s growth and weight relate to thinking, mood, and behavior. It may help researchers understand what patterns affect health and development so they can guide better support for families.
Bethesda, MarylandAges 8–100 - NCT02526901Recruiting
Pregnancy cohort study for women in Guangzhou
This study follows pregnant women from early pregnancy to learn about pregnancy and child health. You may be asked to share health information so researchers can better understand outcomes for babies born in Guangzhou.
Guangzhou, GuangdongAges Any age - NCT02829619Recruiting
Eating at Set Times to Help with Weight Loss
This study looks at whether changing when you eat, along with looking at your genes, can help people lose weight. It’s mainly for adults who are above a healthy weight range and don’t have certain health conditions or medicines.
Murcia, MurciaAges 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 - NCT06118931Recruiting
Time-Restricted Eating for Blood Sugar Control
This study tests whether eating only during a specific daily window helps control blood sugar in people with or at risk for type 2 diabetes. You'll follow a set eating schedule and use a phone app to track your meals.
Toronto, OntarioAges 40 years+ - NCT06115265Recruiting
Ketogenic diet study for prediabetes and weight loss
This trial tests whether a ketogenic diet can help people with prediabetes or high blood sugar improve their health and lose weight. You eat very low-carb, high-fat foods to see if it lowers your blood sugar and reduces your risk of developing diabetes.
Albuquerque, New MexicoAges 18 years+ - NCT03197363Enrolling by invitation
Long-term study of adults living in Białystok
This study follows adults living in Białystok over time to learn about health and life patterns. If you’re invited to take part and agree, it may help researchers better understand community health.
BialystokAges 20–80 - NCT02939664Enrolling by invitation
Laparoscopic gastric bypass vs banding for weight loss
This trial compares two types of minimally invasive weight-loss surgery: gastric bypass versus a gastric band. It looks at which approach works better and is safer for people who qualify for bariatric surgery and have not succeeded with supervised weight-loss programs.
Majadahonda, MadridAges 18–65 - NCT03024879Enrolling by invitationPhase 4
Testing how motilin affects appetite and food intake frequency
This trial tests whether motilin changes how often and how much people eat. It likely helps researchers understand appetite control, which can be relevant for weight and digestive health.
Ages 18–60 - NCT02669797Enrolling by invitation
Family-based program to help families eat dinner together
This study offers an intervention focused on family dinners to help children improve their eating habits. It targets children who eat family dinners rarely and have a higher weight range, to see if the program can help improve health over time.
Aurora, ColoradoAges 5–10 - NCT01055054Enrolling by invitation
Bariatric surgery registry for people with severe weight gain
This study is a registry, meaning it collects health information to better understand outcomes after bariatric (weight-loss) surgery. It may help doctors improve care for people with severe obesity who had surgery at VCU Medical Center.
Richmond, VirginiaAges 12–75 - NCT01736748Recruiting
Lifestyle coaching for children at high cardiometabolic risk
This study tests a tailored lifestyle program (changes around food and activity) for children who have higher-than-average weight for their age. It may help improve health habits and reduce future risk related to heart and metabolic health.
Montreal, QuebecAges 6–18 - NCT01316783Enrolling by invitation
Genetics study of obesity, diabetes, and heart risk
This study looks at genetic differences in adults from African diaspora groups to better understand risks for obesity, type 2 diabetes, and heart disease. You may help scientists learn why these conditions are more common in certain communities.
Bethesda, MarylandAges 18–120 - NCT07404839Recruiting
Scaling up Building Healthy Families
This trial tests a program called Building Healthy Families to help prevent and treat childhood obesity. It looks at how well communities can adopt and run this program, especially in rural or low-resource areas.
Salt Lake City, UtahAges 5 years+ - NCT07406295Recruiting
Breathing exercises to improve brain and immune health
This trial tests whether a daily breathing exercise device can improve blood flow to the brain and immune function in people with obesity. It may help reduce health risks linked to excess weight.
Tallahassee, FloridaAges 18–45 - NCT07412444Recruiting
Olive oil study for fatty liver health
This trial tests if extra virgin olive oil (EVOO) can improve liver health in people with metabolic fatty liver disease (MASLD). It may help reduce fat in the liver and improve overall metabolic health.
Castellana Grotte, ItalyAges 18–65 - NCT07430111Recruiting
Comparing two breathing methods during weight loss surgery
This study tests two different ways of using a ventilator during bariatric surgery to see which one works better for people with obesity. It may help your lungs work better during and after surgery.
AnkaraAges 18–65 - NCT07446439RecruitingPhase 3
Tradipitant for nausea from weight loss injections
This study tests whether the drug tradipitant can help reduce nausea and vomiting caused by weight loss injections like Ozempic or Wegovy. If you have these side effects and are not diabetic, you may be eligible.
Los Angeles, CaliforniaAges 18–65 - NCT07446972Recruiting
Bariatric surgery and female sexual health study
This study looks at how weight-loss surgery (bariatric surgery) affects a woman's sexual function and hormone levels. It follows women who are already scheduled for surgery to see if their sexual health changes after the procedure.
Cairo, Al-Manial CairoAges 18–45 - NCT07447011Recruiting
Glaucoma treatment response with sleep apnea lifestyle changes
This trial tests whether lifestyle changes can help open-angle glaucoma in people who also have obstructive sleep apnea and are obese. It may offer a non-drug way to manage both conditions.
Giza, DokkiAges 30–50 - NCT07448896Recruiting
Studying immune cells in stomach tissue after weight loss surgery
This study looks at how certain immune cells (mast cells and macrophages) and small blood vessels change in the stomach tissue of people who have weight loss surgery. It may help researchers better understand how the body responds to surgery and weight loss.
Alexandria, Alexandria GovernorateAges Any age - NCT07461610Recruiting
Stool analysis after sleeve gastrectomy vs gastric bypass
This trial compares changes in stool after two common weight-loss surgeries: sleeve gastrectomy and gastric bypass. It aims to understand how these surgeries affect digestion and gut health.
Cairo, Al-Manial CairoAges 18–60
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Common questions
- Are there clinical trials for overweight or obese?
- Yes. Clin2 currently lists 1,530 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.