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
- NCT05028309Recruiting
Study how obesity affects breathing and exercise in older adults
This study compares how body weight (higher or lower body fat) affects lung function, breathing during exercise, and exercise capacity in adults ages 65–75. You may be asked to do lung and exercise testing, but only if you meet health and activity restrictions.
Dallas, TexasAges 65–75 - NCT05028205Recruiting
Fruit and vegetable voucher program for kids
This trial tests whether giving families vouchers for fruits and vegetables helps improve children’s eating and health. It focuses on children ages 4–10 who have higher body weight for their age and who can participate with an adult caregiver.
Knoxville, TennesseeAges 4–10 - NCT05077579Recruiting
Alzheimer’s scan study for people with higher body weight
This study uses brain scans (MRI and two special PET scans) to see how Alzheimer’s-related changes show up in people who are overweight or obese, with different blood-sugar and insulin patterns. It may help researchers understand whether body weight and metabolism affect early Alzheimer’s markers in the brain.
St Louis, MissouriAges 40–60 - NCT05225233Recruiting
Brain stimulation plus training to help reduce impulsive eating and weight
This study tests whether a brain stimulation method (tDCS) combined with cognitive training can reduce impulsivity around food and improve weight in Veterans with obesity. You would join a MOVE! weight program and complete study procedures to see whether this approach helps.
Minneapolis, MinnesotaAges 18–80 - NCT05277532Recruiting
Exercise and sleep timing for overweight type 1 diabetes
This trial studies whether changing daily sleep timing (circadian rhythm) and doing physical exercise can improve health outcomes in people who are overweight and have type 1 diabetes (or in some healthy people). It may help by seeing what combinations of routine and activity are most beneficial.
StockholmAges 18–50 - NCT05281016Recruiting
Online family program to help children with weight
This study tests an online, family-based program (called the LITE Programme) to help children who are overweight. It may help improve healthy habits at home and support weight management.
SingaporeAges 6–12 - NCT05494138Recruiting
AI-based nutrition study for adults with obesity and normal weight
This study uses nutrition information and artificial intelligence to better understand diet patterns in adults with obesity and in adults with normal weight. Your results may help researchers design better nutrition guidance for people with obesity and related health risks.
SeoulAges 19 years+ - NCT05589688RecruitingPhase 1
Personalized acyclovir dosing in overweight and obese volunteers
This Phase 1 study tests how to adjust acyclovir dosing based on body weight and kidney function. It includes healthy volunteers across normal weight, overweight, and obesity levels to better understand how the drug moves through the body.
ToulouseAges 18–50 - NCT05745441Recruiting
Dinner routine study for weight and prediabetes health
This study tests whether changing your dinner timing and routine can improve health related to weight and blood sugar in people with obesity and prediabetes (or healthy weight). You’ll follow a set dinner schedule and complete study visits while the team monitors outcomes.
Baltimore, MarylandAges 18–50 - NCT05798676Recruiting
Study of pregnancy factors linked to a child’s growth
This study looks at breastfeeding mothers and how a mother’s pregnancy and health factors may relate to a child’s growth and body fat. You might be able to join if you were normal weight or overweight/obese before pregnancy and you meet the pregnancy and delivery health requirements.
La Plata, Buenos AiresAges 18–40 - NCT05822544RecruitingPhase 1
Study of a diabetes medicine in healthy and obese volunteers
This early study tests TLC-6740 (a diabetes-type medicine) in people who are healthy and in people with obesity, with or without diabetes. The goal is to see how the medicine works in the body and check short-term safety.
AucklandAges 18–70 - NCT05917795Recruiting
Endoscopic stomach reduction for weight loss before kidney transplant
This trial tests an endoscopic procedure that helps reduce stomach size to support weight loss in people with severe kidney disease who may need a kidney transplant. It may help some patients meet transplant-center weight requirements and potentially improve readiness for transplant care.
RomeAges 18–70 - NCT05935592Recruiting
Family phone tool to help kids at risk for weight gain
This study tests an interactive phone/tablet program for children and their parent or guardian, aiming to reduce the child’s risk of unhealthy weight gain. It may help by giving family-focused tips and support you can use at home.
New York, New YorkAges 8–12 - NCT06119516Recruiting
Guiding breathing machine settings for severe obesity and lung injury
This study tests a new way of setting the breathing machine for people with severe obesity and lung injury (ARDS). It aims to measure pressure inside the lungs more directly, which could help customize ventilation and improve outcomes.
AngersAges 18 years+ - NCT06316310Recruiting
Acupoint Thread Embedding for Weight Loss
This study tests a procedure called acupoint thread embedding to help women lose weight. It involves placing small threads under the skin at acupuncture points to stimulate weight loss.
Shanghai, Shanghai MunicipalityAges 18–45 - NCT06335810Recruiting
Reducing obesity with a buddy program
This study explores whether having a friend or family member join you in a weight-loss program helps reduce obesity. You and your buddy will use a food-tracking app and get support from the program.
New York, New YorkAges 18 years+ - NCT06444646Recruiting
Studying fat cell particles in obesity
This study looks at tiny particles released from fat tissue in people with and without obesity. It aims to understand differences that might help explain obesity-related health problems.
Genk, LimburgAges 18–65 - NCT06464497Recruiting
Whole foods for teens with obesity pilot study
This study tests whether replacing processed foods with whole foods (like fruits, vegetables, and whole grains) for 8 weeks can help reduce body fat in teens with obesity. Both the teen and a parent or caregiver will learn to prepare and eat healthier meals together.
Nashville, TennesseeAges 10 years+ - NCT07574723Recruiting
Tirzepatide dosing strategy to manage side effects in obesity
This study tests a new medication called tirzepatide, given at carefully adjusted doses, to help people with obesity lose weight while reducing unwanted side effects. Tirzepatide is a newer injectable medicine that helps control appetite and blood sugar.
Kuwait CityAges 18–100 - NCT06669715Recruiting
Physical fitness and heart health in adults
This study looks at physical fitness and blood flow in a wide range of adults. It aims to understand how fitness affects heart health across different people.
LjubljanaAges 18 years+ - NCT06721507RecruitingPhase 4
Tirzepatide after weight loss surgery
This study tests whether giving tirzepatide (a medicine that helps with weight and blood sugar) right after weight loss surgery can improve results. It is for people who are already scheduled for sleeve gastrectomy or gastric bypass at UK HealthCare.
Lexington, KentuckyAges 18 years+ - NCT06734273RecruitingEarly Phase 1
Sleeve gastrectomy with tirzepatide for weight loss
This trial compares getting a sleeve gastrectomy alone versus getting it along with tirzepatide (a medicine that helps with weight loss and diabetes) to see if combining them leads to more weight loss. It may help people who are having their first sleeve gastrectomy.
Chicago, IllinoisAges 18–65 - NCT06890169Recruiting
One-stop telehealth program for weight and diabetes
This trial tests a telehealth program that helps people lose weight and manage type 2 diabetes and fatty liver disease at the same time. It's a one-stop remote clinic that combines medical advice, nutrition, and lifestyle support.
SingaporeAges 21–70 - NCT06903923RecruitingPhase 2
Bone health in teens and young adults taking GLP-1 weight loss drugs
This trial looks at how GLP-1 receptor agonist medications (like liraglutide or semaglutide) affect bone health in adolescents and young adults with obesity. It aims to understand if these weight loss drugs have any impact on bone density and metabolism.
Charlottesville, VirginiaAges 12–21
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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.