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 1,531 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - NCT07423247RecruitingPhase 4
Tirzepatide for weight loss in kidney transplant patients
This trial tests if tirzepatide can help people who have had a kidney transplant and are still overweight lose weight. It may be an option if you have had your transplant at least a year ago, your kidney function is stable, and your body mass index is 27 or higher.
TehranAges 18 years+ - 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 - NCT07465341Recruiting
Weight navigation program for weight-related health conditions
This study tests a program to help people with obesity and related health conditions like diabetes or high blood pressure lose weight. Participants work with a care team through virtual visits and text check-ins.
Ann Arbor, MichiganAges 18–75 - NCT07478263Recruiting
Healthy eating trial for Latinas to prevent type 2 diabetes
This study tests a behavioral program designed to help Latinas with prediabetes improve their nutrition and eating patterns to prevent type 2 diabetes. It focuses on reducing cravings and building healthy habits.
La Jolla, CaliforniaAges 18–55 - NCT07479498Recruiting
Family weight health program for children 5–12
This trial tests a family-based program to help children ages 5 to 12 who are above a healthy weight. It focuses on increasing physical activity and healthy habits, and includes text messages from your clinic.
Salt Lake City, UtahAges Any age - NCT07480109Recruiting
More protein while on weight-loss meds in women
This study tests if eating extra protein helps middle-aged women with overweight or obesity who are just starting a GLP-1 medication. You would eat extra protein for a few weeks while staying active as usual.
Austin, TexasAges 30–60 - NCT07481630RecruitingPhase 3
Testing a new medicine for weight loss and knee pain
This study tests if a new medicine called NNC0487-0111 can help people with extra weight and knee osteoarthritis lose weight and reduce knee pain. If you have knee pain most days and are willing to stop pain relievers for short periods, you may be able to join.
Phoenix, ArizonaAges 18 years+
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Common questions
- Are there clinical trials for overweight or obesity?
- Yes. Clin2 currently lists 1,531 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.