Clinical trials
Overweight or Obese Adults clinical trials
Below are recruiting overweight or obese adults clinical trials, each written for real people, not researchers. We’re tracking 805 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06223555Recruiting
Mixed meal energy study in healthy adults
This study looks at how your body responds to a mixed meal (a test drink or meal) when the calories are either fixed or adjusted to your energy needs. It may help researchers understand how to measure metabolism more accurately.
Phoenix, ArizonaAges 18–99 - NCT06240208Recruiting
Study of inactivity and appetite in healthy men
This study looks at how two weeks of being inactive (not exercising and walking very little) changes appetite and hunger in healthy, active men. It may help us understand why some people gain weight when they stop being active.
CopenhagenAges 40–55 - NCT06248229RecruitingPhase 4
Testing Dyanavel XR for fatigue in adults with ADHD
This trial tests whether the medication Dyanavel XR (a long-acting amphetamine) can help reduce fatigue in adults with ADHD. It is for people who have both ADHD and significant tiredness, and who are not currently taking stimulant ADHD drugs.
Rochester Hills, MichiganAges 18–65 - NCT06306196RecruitingPhase 2
Hepatitis E vaccine study in healthy adults, children, and people with HIV
This study tests a hepatitis E vaccine called Hecolin in healthy people (ages 2–45) and in adults (18–45) living with HIV who are on antiviral treatment. It aims to see how well the vaccine works and if it's safe for different groups.
Ga-RankuwaAges 2–45 - NCT06309576Recruiting
Study on body weight regulation using liquid meals
This study tests how the body regulates weight by having participants drink only a special liquid meal for two days. It may help researchers understand weight changes in people with low or high body weight.
Baton Rouge, LouisianaAges 18–40 - NCT06323538Recruiting
Plant-based diets and health (COPLANT)
This study looks at how different plant-based diets affect your health. Researchers will collect information through questionnaires and blood samples to understand the benefits of eating more plants.
ViennaAges 18–69 - NCT06364644Recruiting
Reducing heart failure risk in low-income adults with diabetes
This study looks at how low income and diabetes together raise the risk of heart failure. It offers a program to help you manage your health and reduce that risk.
Baltimore, MarylandAges 30–70 - NCT06365723Recruiting
Walking in Nature vs. City for Prediabetes
This study compares walking in natural green spaces (like parks) versus walking in built environments (like city streets) for adults with prediabetes. You will be asked to walk three times a week for 30 minutes for 4 weeks in each setting, and researchers will see how your body responds.
Lake Forest, IllinoisAges 25–64 - NCT06372015Recruiting
Diet program vs bariatric surgery for liver health
This study compares two ways to help people with obesity and liver problems: a special diet program or weight-loss surgery. Researchers will look at changes in fats, immune system, and genetic markers to see which approach works better.
Castellana Grotte, BariAges 18 years+ - NCT06397911RecruitingPhase 2
Testing FB825 for moderate to severe eczema
This trial tests a new injectable medicine called FB825 for people with moderate to severe eczema that hasn't improved enough with standard creams. The study aims to see if FB825 can reduce itching and skin symptoms safely.
Fountain Valley, CaliforniaAges 18–65 - NCT06438900Recruiting
Studying AGEs and muscle loss in obesity and diabetes
This study is looking at how certain sugar-related proteins (called AGEs) might be linked to muscle loss in people with obesity and type 2 diabetes. It aims to understand why muscle wasting happens in this condition.
NovaraAges 18 years+ - NCT06507722Recruiting
Night Owl Metabolism Study
This study from Johns Hopkins looks at how your body's metabolism works when you're an overweight teen or young adult who sleeps enough. It aims to learn more about your 'night owl' internal clock and how it affects your health.
Baltimore, MarylandAges 18–23 - NCT06509464Recruiting
High-intensity interval training for women with central obesity
This study tests whether high-intensity interval training can improve the severity of metabolic syndrome in women who carry extra weight around their belly. It may help you understand how exercise affects your overall health.
GizaAges 25–45 - NCT06511297Recruiting
How aging and weight affect health: a deep-dive study
This study looks at how aging and body weight affect health and metabolism. Researchers will collect detailed measurements (like scans and blood tests) to understand why some people age better than others. You may join if you are in one of five age/weight groups.
Vienna, State of ViennaAges 18 years+ - NCT06522529Recruiting
Project to improve care with proven methods
This project helps hospital and nursing home teams improve daily care by using proven methods for hand hygiene and another health topic like pain, falls, or smoking. It’s a chance for your unit to join a quality-improvement effort that can make care safer and more effective.
MadridAges Any age - NCT06538714Recruiting
Interval training for overweight or obese girls
This study tests whether a special type of exercise (interval training) can improve heart and metabolic health in girls aged 12 to 15 who are overweight or obese. It may help you understand a new way to get and stay healthy.
TunisAges 12–15 - NCT06577558RecruitingPhase 2
SR1375 for severe pneumonia not improving on antibiotics
This trial tests a new drug called SR1375 for adults with severe community-acquired pneumonia (a lung infection) who are not improving with standard antibiotics. It may help reduce inflammation and speed up recovery.
Fuyang, AnhuiAges 18–85 - NCT06597474RecruitingPhase 2/Phase 3
Food-Body-Mind wellness program for preschoolers
This study tests a 16-week program called Food-Body-Mind that helps preschoolers and their families build healthy habits. It focuses on movement, eating well, and feeling good about your body, and is designed for children ages 3 to 5 in Head Start programs.
Jackson, MichiganAges 3–5 - NCT06597617Recruiting
Exercise Program After Weight Loss Surgery
This study looks at how a personalized exercise program after weight loss surgery might reduce the impact of long-lasting environmental chemicals (called persistent organic pollutants) that are stored in body fat. It may help you lose weight more safely and improve your health after surgery.
NiceAges 18–55 - NCT06600555Recruiting
Metabolic surgery for diabetes control
This trial tests a type of weight-loss surgery (called metabolic surgery) to see if it helps people with type 2 diabetes achieve better blood sugar control. It's for people who have struggled to manage their diabetes with standard treatments and have a BMI between 30 and 35.
VilleurbanneAges 18–65 - NCT06625762Recruiting
Nantes bariatric surgery study
This study follows people who are preparing for bariatric (weight-loss) surgery to see how the surgery affects their health over time. It is being done to better understand the benefits and risks of bariatric surgery.
Nantes, Loire-AtlantiqueAges 18–70 - NCT06676384RecruitingPhase 4
Testing additional drugs for IgA nephropathy in South Asian patients
This trial is testing if adding another approved drug to standard treatment can slow kidney function decline in people with IgA nephropathy. It aims to find better options for South Asian adults with this condition.
Nadiād, GujaratAges 18–65 - NCT06698341Recruiting
Studying heart attacks in young adults to understand new genes
This trial looks for new genetic causes of heart attacks in young adults. If you had a heart attack at a young age and are of Chinese, Malay, or Indian descent, this study may help find answers.
SingaporeAges 21–60 - 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
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Common questions
- Are there clinical trials for overweight or obese adults?
- Yes. Clin2 currently lists 805 recruiting overweight or obese adults 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 adults 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 adults 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.