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 1,472 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - NCT06570707Recruiting
School fruit and veggie program for child & parent health
This study tests a school-based fruit and vegetable co-op to see if it improves the heart health and well-being of 1st, 2nd, and 3rd graders and their parents in communities with persistent poverty.
Houston, TexasAges 6–9 - 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 - NCT06848491Recruiting
Smartphone weight loss programs for young adult cancer survivors
This study tests two different smartphone-based programs to help young adult cancer survivors lose weight. Participants are randomly assigned to one of two programs and use an app to track their progress.
Chapel Hill, North CarolinaAges 18–39 - 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 - 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+ - NCT06828367Enrolling by invitation
Online nutrition program for families with young kids
This study tests an online nutrition education program to help families of young children eat more like a Mediterranean diet. It aims to see if the program improves healthy eating habits in kids aged 18 to 36 months.
Pamplona, NavarreAges 1.5 years–3 years - NCT06830096Recruiting
Understanding a key cell channel in type 2 diabetes
This study looks at how a specific channel in your cells (called the KATP channel) affects blood sugar control in people with and without type 2 diabetes. It aims to understand why some people develop diabetes and how to better treat it.
St Louis, MissouriAges 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+ - NCT06818500Recruiting
Body composition and blood vessel health in women with a healthy weight
This study looks at how body composition (muscle and fat) affects blood vessel health in women who have a healthy body weight. The goal is to learn more about blood vessel function in this group.
Muncie, IndianaAges 18–50 - NCT02664831Recruiting
Study of inflammation after cardiac arrest in ICU patients
This trial looks at how the body’s inflammation response behaves after someone has a cardiac arrest and was treated in the ICU. It may help doctors understand which patients could benefit from treatments that target harmful inflammation after resuscitation.
Portland, MaineAges 18 years+ - 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+ - 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 - NCT06211556Recruiting
Reducing liver fat in type 2 diabetes
This study tests whether reducing liver fat can improve health in people with type 2 diabetes. It looks at the effects of a specific medication combined with exercise, tailored for those who are not very active.
Copenhagen, Capital RegionAges 30–70 - NCT06785064Recruiting
Helping with long-term weight loss maintenance support
This study tests an extended care program designed to help people keep weight off after losing it. You would join with a buddy (friend or family member) and attend online sessions via Zoom, along with a few in-person check-ins at the university.
Birmingham, AlabamaAges 18 years+ - NCT06783751Recruiting
New surgical method to reduce acid reflux after weight loss surgery
This trial tests a modified version of sleeve gastrectomy that aims to reduce the risk of acid reflux (GERD) after surgery. It is for people aged 18–65 with a BMI between 35 and 55 who already have some degree of GERD and are planning to have weight loss surgery.
Orange, CaliforniaAges 18–65 - 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 - NCT05838950Recruiting
Short high-intensity exercise program for cardiometabolic health
This trial studies whether a structured, short high-intensity exercise program can improve health markers related to weight, blood sugar, and blood fats in young adults with obesity. It may help you see if this kind of exercise leads to measurable health improvements.
Syracuse, New YorkAges 18–25 - 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+ - NCT06776081Recruiting
Weight loss, fat cell particles, and blood vessel health
This trial looks at how weight loss changes tiny particles released from fat cells and whether that improves blood vessel function. It may help understand how losing weight can protect your heart.
Boulder, ColoradoAges 40 years+ - NCT06049420Recruiting
Lifestyle medicine for rural patients with chronic disease
This trial tests whether exercise therapy can help people with two or more chronic conditions like obesity, diabetes, or heart disease. It's designed for rural patients and requires a referral from your doctor.
Lewisburg, West VirginiaAges 18–64 - NCT06768216Recruiting
Mediterranean vs. low-fat diet for fatty liver in overweight kids
This trial compares two diets—a Mediterranean-style diet and a low-fat diet—to see which better reduces liver fat in overweight children and teens with fatty liver disease (MASLD). It aims to find a safe, effective eating plan for young people.
New Delhi, National Capital Territory of DelhiAges 8–18 - NCT06750120Recruiting
Improving nutrition during pregnancy in Guatemala
This study tests ways to improve nutrition in pregnant women in Guatemala. It aims to help both mother and baby stay healthy.
Tecpán Guatemala, Departamento de ChimaltenangoAges 16 years+ - NCT06753669Recruiting
Mothers' action project for child health
This study looks at how to help mothers from South Asian communities support their child's health and development. You and your child would join a program that provides guidance and resources over 12 months.
New York, New YorkAges 1–45
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 1,472 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.