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 1,533 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06325722Recruiting
Low fat vs. low carb diet order and body fat change
This study compares how the order of low fat versus low carb diets affects body fat changes. It may help you understand which diet sequence works best for weight loss.
Bethesda, MarylandAges 18–50 - NCT04943926Recruiting
Diet changes to help put type 2 diabetes into remission
This study tests whether specific dietary strategies can help people with type 2 diabetes reach remission (better blood sugar without ongoing high medication needs). You may be a good candidate if your diabetes is relatively recent, your weight is above a certain threshold, and your heart and other health conditions are stable.
Bergen, VestlandAges 24–70 - NCT04949451Recruiting
Testing time-restricted eating for muscle and metabolism
This study looks at whether eating only during certain hours can improve muscle and metabolism in adults with higher body weight. You may be asked to follow a specific eating schedule and avoid things that could affect the results.
Fayetteville, ArkansasAges 25–50 - NCT05143931Recruiting
Avoid and resist habits to manage weight
This study looks at strategies to help people manage their weight by changing how they respond to food-related cues and habits. It tests whether these approaches can be used over time with regular, brief check-ins.
Los Angeles, CaliforniaAges 14 years+ - NCT05301413RecruitingPhase 2
Diabetes prevention program tailored for Black adults at risk
This Phase 2 study tests a diabetes-prevention program designed for Black/African American adults, focusing on social factors that can affect health and weight. It aims to help participants lower their chances of developing type 2 diabetes through structured education and tracking.
Kansas City, MissouriAges 18 years+ - NCT05309395RecruitingPhase 3
Food prescriptions to help Latino families eat affordably
This trial tests whether giving free/covered “food prescriptions” helps multigenerational Latino households lose weight by improving diet within a budget. It may help families who want to eat healthier without worrying as much about grocery costs.
Pasadena, CaliforniaAges 2 years+ - NCT05316493RecruitingPhase 2/Phase 3
Weight-loss and progesterone treatments for early uterine lining disease
This trial studies a weight-management approach plus a progesterone-releasing IUD (LNG-IUS) and megestrol to treat endometrial atypical hyperplasia, a high-risk precancer of the uterine lining. It may help shrink or control the abnormal cells while supporting fertility or keeping the uterus.
ShanghaiAges 18–45 - NCT05353504Recruiting
Testing how gut changes affect food choices
This study looks at whether interventions that change your gut bacteria can change how you decide what to eat. It may help researchers understand the gut–brain link behind eating behavior.
LeipzigAges 18–60 - NCT05530538Recruiting
Phone app program to help teens manage weight
This study tests a weight-management app (the BrainWeighve app) for teens. It looks at whether the app is workable and helpful for teens who are motivated to change weight habits.
Los Angeles, CaliforniaAges 14–21 - NCT05619705Recruiting
Health coaching for pregnant women through home visits
This trial tests a structured health-coaching program delivered during home visits to help pregnant people improve health habits during pregnancy. It may help you with support like tracking weight and following a planned coaching routine.
Baltimore, MarylandAges 18 years+ - NCT05632406Recruiting
Breathing training to improve breathing and blood pressure
This study tests whether a breathing device training program can improve breathing and blood pressure. It may help people who have higher blood pressure and may feel out of breath, especially those who have weight-related breathing strain.
Tallahassee, FloridaAges 18–45 - NCT05706155Recruiting
Switching some animal protein to plant protein for Type 2 diabetes
This study tests whether replacing part of your animal protein with plant-based protein can improve Type 2 diabetes control. It may help your blood sugar and weight management without changing everything about your diet.
Porto Alegre, Rio Grande do SulAges 18–65 - NCT05748158Recruiting
Study of why weight returns after behavioral weight loss
This study looks at what makes some people regain weight after losing weight in a behavioral weight loss program. You may help researchers understand the role of habits, metabolism, and energy use so better prevention strategies can be developed.
New York, New YorkAges 25–59 - NCT05807594Recruiting
Online program to help manage weight gain during pregnancy
This trial tests an at-home (online) coaching program to help pregnant people gain weight at a healthier rate. It may help you stay on track during pregnancy and understand what changes work best for you.
University Park, PennsylvaniaAges 18–45 - NCT05840497Recruiting
Exercise program to help lower gestational diabetes risk
This trial tests whether a strength and resistance exercise program during pregnancy can help reduce gestational diabetes in people who are overweight or obese. It may help by improving how your body handles sugar during pregnancy.
Pamplona, NavarreAges 18 years+ - NCT05843318Recruiting
Water intake and weight control for adults 50+
This study tests whether adjusting how much plain drinking water you drink can help with weight control in older adults. You may be asked to follow a structured plan and participate in activities as part of the research.
Blacksburg, VirginiaAges 50 years+ - NCT05956574Recruiting
Lifestyle coaching program for weight and health changes
This study tests whether a lifestyle and activity program can help people with higher body weight make healthier changes. You may be asked to track your habits on a smartphone and participate in walking and exercise activities.
Augusta, GeorgiaAges 18–40 - NCT05958368Recruiting
Avocado study to improve blood sugar in type 2 diabetes
This study tests whether eating avocados can improve blood sugar control in adults with type 2 diabetes. You may have blood tests and will follow a specific eating plan while your diabetes care continues under your doctor.
Baton Rouge, LouisianaAges 18–65 - NCT06009276Recruiting
Gut bacteria, muscle blood flow, and fitness study
This study looks at how the bacteria in your gut affect blood flow to your muscles and your overall fitness. You will provide samples and do some exercise tests to help researchers understand this link.
Charlottesville, VirginiaAges 18 years+ - NCT06044935Recruiting
Nicotinamide riboside for fat burning and metabolism
This study tests whether a supplement called nicotinamide riboside (a form of vitamin B3) helps the body burn fat more efficiently during exercise. It may be a good option if you are overweight or have a specific type of diabetes (MODY2) and want to see if a natural supplement can boost your metabolism.
Bethesda, MarylandAges 18–65 - NCT06069622Recruiting
How a gene affects weight-loss treatment response
This study looks at how a weight-loss medication affects people with obesity who may have a specific gene difference (caveolin-1). It aims to understand why some people respond differently to GLP-1 treatments like semaglutide.
Boston, MassachusettsAges 18 years+ - NCT06076187Recruiting
How older adults digest protein after weight loss surgery
This study looks at how well older adults break down protein after bariatric surgery. It compares people who had surgery one to ten years ago with those who didn't, to understand protein needs.
Leuven, Flemish BrabantAges 18 years+ - NCT06105957Recruiting
Digital weight loss program for rural adults
This study tests a digital weight loss program designed for adults living in rural areas. It uses a smartphone app, website, and video group sessions to help you lose weight through diet and physical activity.
Columbia, South CarolinaAges 18 years+ - NCT06116435Recruiting
Lifestyle program for weight loss and physical activity
This study tests a lifestyle program to help people become more active and lose weight. It compares different types of support to see what works best.
Aurora, ColoradoAges 18–65
Hear when a new Overweight or Obesity trial opens
We’ll email you when one opens — at most once a week, no account needed, unsubscribe anytime.
Common questions
- Are there clinical trials for overweight or obesity?
- Yes. Clin2 currently lists 1,533 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.