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 1,529 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06780813Recruiting
High flow oxygen to reduce infections in obese gynecologic cancer patients
This trial tests whether giving high flow oxygen during and after surgery can lower the risk of infections in obese women with gynecological cancer. It may help improve recovery after surgery.
AthensAges 18–85 - NCT06781229Recruiting
Gum bacteria in people preparing for weight loss surgery
This trial looks at the bacteria in the mouths of people with a BMI of 30 or higher who are scheduled for weight-loss surgery. The goal is to understand how gum health and body weight are connected.
ToulouseAges 18 years+ - NCT06782529RecruitingPhase 4
Knee injection study for patients with obesity and arthritis
This study tests if steroid injections for knee arthritis work in people with obesity. It may help you manage pain and avoid surgery.
Jacksonville, FloridaAges 55–85 - NCT06796764Recruiting
Breathing tube safety during endoscopy in people with obesity
This trial tests a special breathing tube to see if it can prevent low oxygen levels during sedated endoscopy in people with obesity. If you are scheduled for both an upper endoscopy and colonoscopy, this study may help make the procedure safer.
Hangzhou, ZhejiangAges 18–70 - NCT06795386Recruiting
Widespread pain after rapid weight loss in Black and Hispanic adults
This study looks at whether rapid weight loss from bariatric surgery leads to long-term widespread pain in Black and Hispanic adults. The goal is to understand how weight loss affects pain and find better ways to help people manage it.
New York, New YorkAges 18–75 - NCT06795490Recruiting
Helping families build healthy routines to prevent early obesity
This study looks at how simple family routines—like mealtime, bedtime, and play—can help prevent obesity in young children. It’s designed for families with low income who want to build healthier habits together.
Ann Arbor, MichiganAges 2 years+ - NCT06806787Recruiting
Can Copeptin and Thirst Predict Weight-Loss Surgery Success?
This study looks at whether levels of a blood marker called copeptin and your sense of thirst can help predict how well bariatric (weight-loss) surgery works. If you are eligible, you will have blood tests and answer questions about thirst before and after surgery.
Bologna, BolognaAges 18–65 - NCT06816147Recruiting
HealthyW8: a weight-health study for adults 60+
This study tests a program to help people aged 60 and older in Luxembourg maintain a healthy weight using a smartphone app. It may be a good fit if you are generally healthy, not on a strict diet, and want to prevent weight gain as you age.
LuxembourgAges 60 years+ - NCT06826963Recruiting
Eccentric exercise for older adults with heart failure and muscle loss
This study tests whether a special type of exercise (eccentric, or lengthening, exercises) can help older adults with heart failure who also have muscle loss. It aims to see if the exercise is safe and improves strength and function.
Verona, VeronaAges 65–85 - NCT06839677Recruiting
Quality of life after endoscopic vertical gastroplasty
This study looks at how people feel about their quality of life after a type of weight loss surgery called endoscopic vertical gastroplasty (GVE). If you had this surgery at least 6 months ago and can use a computer or tablet, you may be able to share your experience through a survey.
Roma, RMAges 18 years+ - NCT06844786Recruiting
Helping newcomer families get active in Hamilton
This study looks at ways to help newcomer families in Hamilton get their children moving more. It offers a program to increase physical activity and reduce screen time in kids aged 5 to 11.
Hamilton, OntarioAges 5–11 - NCT06845046Recruiting
Improving muscle health for veterans with HIV
This study tests a way to help veterans with HIV build stronger muscles. It may help improve your strength and overall health.
Nashville, TennesseeAges 20–80 - NCT06848244Recruiting
Preventing diabetes in young Black women
This trial tests a program to help young Black women with prediabetes and binge eating prevent type 2 diabetes using a smartphone. It focuses on healthy eating and behavior change.
Chapel Hill, North CarolinaAges 18–25 - NCT06848491Recruiting
Mobile health program for weight management in young cancer survivors
This study tests a mobile health program to help young adult cancer survivors (ages 18–39) manage their weight. You'll be randomly assigned to one of two programs that use text messages and other tools to support healthy eating and physical activity.
Chapel Hill, North CarolinaAges 18–39 - NCT06849206Recruiting
Growing up in Louisiana health study for families
This study follows children, teens, and young adults and their families in Louisiana. It looks at health over time to understand what keeps people well.
Baton Rouge, LouisianaAges Any age - NCT06862375Recruiting
Mayo Clinic diet for weight loss study
This trial tests if following the Mayo Clinic Diet helps adults with overweight or obesity lose weight. You would use the diet book and app and get support from the study team.
Rochester, MinnesotaAges 18–64 - NCT06869941Recruiting
How gut health and fat tissue are linked in the brain
This study looks at how the bacteria in your gut might affect your fat tissue and brain. You may be able to join if you are scheduled to have surgery to remove fat tissue and are willing to sign a consent form.
Girona, GironaAges 20 years+ - NCT06870578Recruiting
Building healthy eating habits for preteens
This trial helps researchers develop programs to support healthy eating in kids ages 9-11 with overweight. It involves focus groups, and some parts include brain scans to understand eating habits.
Seattle, WashingtonAges 9 years+ - NCT06874309Recruiting
Brain stimulation before weight-loss surgery for better eating control
This trial tests if gentle electrical brain stimulation (called tDCS) before weight-loss surgery can help you gain better control over your eating habits. It's designed for people with severe obesity who struggle with overeating.
Brno, CzechiaAges 18–65 - NCT06878872Recruiting
Healthier lifestyles for teens with type 1 diabetes
This study helps teens with type 1 diabetes and their parents make healthier lifestyle changes. If your teen is above a certain weight range and has had diabetes for at least 6 months, they may be able to join.
Providence, Rhode IslandAges 13–18 - NCT06879652Recruiting
Does dairy affect weight and health in teens and seniors?
This study looks at how eating more dairy might affect body weight, body composition, and health in adolescents and older adults who have some extra weight and borderline high blood sugar. It will likely compare a higher dairy diet to a usual diet.
Toronto, OntarioAges 14–80 - NCT06881485Recruiting
Medication with or without a special diet for weight regain after bariatric surgery
This study tests if a combination of two drugs (naltrexone and bupropion) with or without a very low-calorie ketogenic diet can help people who have regained weight after gastric bypass or sleeve gastrectomy. It may offer a non-surgical option to manage weight regain.
Leuven, Vlaams-BrabantAges 18 years+ - NCT06885736Recruiting
Preserving muscle with exercise and protein on weight loss drugs
This trial tests whether adding resistance exercise and extra protein can help you keep your muscle while taking weight loss medications like semaglutide or tirzepatide. It is for people with a BMI of 27 or higher who are not already exercising regularly.
Kuwait CityAges 18 years+ - NCT06888011Recruiting
Healthy living program for rural children
This study tests a program called iAmHealthy to help children ages 6 to 11 who live in rural areas and are overweight. The program will help families make healthy changes at home and in their daily routine.
Kansas City, KansasAges 6–11
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Common questions
- Are there clinical trials for overweight or obese?
- Yes. Clin2 currently lists 1,529 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.