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
- NCT06308757Recruiting
Studying a very low calorie keto diet for fatty liver disease with scarring
This trial tests whether a very low calorie ketogenic diet (a strict low-carb, high-fat diet) can help people with non-alcoholic steatohepatitis (NASH) who have liver scarring. Participants will follow this diet for a year and have two liver biopsies to see if their liver health improves.
BolognaAges 18 years+ - NCT06241144Recruiting
Supporting healthy habits after childbirth
This trial helps women who had a high body weight before pregnancy make lasting lifestyle changes after giving birth. It uses a smartphone program to support healthier eating and physical activity.
OuluAges 18 years+ - NCT05775627Recruiting
Study how sleep affects metabolism in healthy adults
This trial studies how changes in sleep and the body’s daily rhythm may affect metabolism (how your body handles energy and sugar). It is for generally healthy, medication-free young adults who follow a controlled diet and sleep schedule.
Portland, OregonAges 18–40 - NCT04040413Recruiting
Database update for bariatric weight-loss surgery
This trial is a “database maintenance” study related to bariatric (weight-loss) surgery. It helps keep the records up to date and may support future care by organizing information about patients who get surgery.
Ramat GanAges Any age - NCT06396871Recruiting
Blood cell study in metabolic diseases
This study looks at blood cells and factors in people with metabolic diseases like fatty liver, prediabetes, or type 2 diabetes. It aims to better understand these conditions by comparing them with healthy volunteers.
Dresden, SaxonyAges 18 years+ - NCT06420700Recruiting
Stomach Lining Ablation with Sleeve Gastroplasty for Weight Loss
This study combines two endoscopic procedures to help you lose weight: one that reduces the size of your stomach and one that alters the stomach lining. It is designed for people who are ready to commit to long-term diet changes.
Atlanta, GeorgiaAges 18–65 - NCT07844616Recruiting
Eggs, gut health, and metabolism study
This study looks at how eating whole eggs versus egg whites affects your gut bacteria, metabolism, and immune system. It aims to understand how eggs may influence health markers in people of different weight ranges.
Storrs, ConnecticutAges 18–50 - NCT04040777Recruiting
Cardiometabolic risk registry for adults
This study is a health registry that collects information about risk factors for heart and metabolic problems in adults. It may help doctors better understand who is at higher risk and guide future prevention strategies.
Pilar, Buenos AiresAges 18 years+ - NCT06409962Recruiting
New school program for childhood obesity and prediabetes
This study tests a new program to help children with obesity, focusing on those with slightly higher blood sugar (prediabetes). It takes place at a school and requires both parent and child consent.
CórdobaAges 6–16 - NCT07836088Recruiting
Ultrasound muscle check for metabolic health
This study uses ultrasound scans to measure muscle mass in people with metabolic conditions like type 2 diabetes and obesity. It may help doctors understand how these conditions affect muscles and could lead to better care.
Zhangzhou, FujianAges 18 years+ - NCT07839832Recruiting
Healthy goals study for teens with obesity
This study looks at healthy lifestyle programs for children ages 10-15 who are overweight. You and your child will be involved together in activities to help improve health.
Stanford, CaliforniaAges 10–15 - NCT06302803Recruiting
Modified intermittent eating for weight loss trial
This trial tests a modified intermittent eating plan to help people with obesity lose weight and keep it off. It compares different eating schedules to see which works best for long-term weight control.
Guangzhou, GuangdongAges 18–75 - NCT07833592Recruiting
Liver-targeted treatment for genetic leptin-related obesity
This study is for people with a rare genetic condition that causes severe obesity and high appetite, called leptin receptor deficiency or related leptin problems. The trial tests a new approach that targets the liver to help with weight control, and it aims to see if this can improve their condition.
Novara, ItalyAges Any age - NCT05197738Recruiting
Study using a sleep health app to improve sleep
This study tests a “sleep health” app (REFRESH) to see how it may help people track and improve sleep. You may be eligible if you’re an adult in the U.S. who can use the app on your own phone.
La Jolla, CaliforniaAges 18 years+ - NCT06390189Recruiting
Inflammation resolution in heart and metabolic health
This study examines how your body naturally resolves inflammation, which is important for heart health and conditions like diabetes. It involves blood draws and tests to understand how inflammation works.
AarhusAges 18–75 - NCT07817849Recruiting
Online ACT program for overweight women with low income
This study tests an online program that combines acceptance and commitment therapy (ACT) with physical activity coaching to help women with overweight feel better and move more. It is designed for women who face financial and educational barriers and may not have access to other resources.
Istanbul, AvcilarAges 18–64 - NCT07815678RecruitingPhase 1/Phase 2
Safety study of an oral medication in people with normal or higher weight
This study tests a new oral medication called ACCG-2671 to see how safe it is and how your body handles it. It's an early-stage trial, so the main focus is on safety and tolerability. The study has different parts: one for people with normal weight and one for people with higher weight who are already taking a GLP-1 injection for weight loss.
Cypress, CaliforniaAges 25–75 - NCT07813429Recruiting
Neck posture and pain changes after sleeve gastrectomy
This study looks at how weight-loss surgery (sleeve gastrectomy) may affect the position of your neck, how well your neck moves, and any neck pain you might have. You will be followed for a year to see if losing weight helps improve your neck health.
Istanbul, IstanbulAges 18–65 - NCT07809425Recruiting
Pain relief options for gastric bypass surgery
This study compares two ways to manage pain after gastric bypass surgery: a nerve block alone versus a nerve block plus a lidocaine drip. The goal is to see which approach provides better pain relief and fewer side effects.
AlexandriaAges 18–60 - NCT07810283Enrolling by invitation
Using a new imaging belt to guide breathing support
This study tests a new belt that takes pictures of your lungs to help doctors adjust your breathing support. It may help make non-invasive ventilation (a mask that helps you breathe) more comfortable and effective for people with chronic breathing problems.
LondonAges 18 years+ - NCT07806383Enrolling by invitation
Effects of a sugar-based supplement on heart and gut health in overweight adults
This study tests a sugar-based supplement (a synbiotic) to see if it improves heart and metabolic health markers as well as gut health in people who are overweight but otherwise healthy. You will take the supplement for a period of time, and your health will be monitored.
NaplesAges 20–70 - NCT07803185Recruiting
Emotional eating and anhedonia with weight loss medications
This study looks at how GLP-1 weight loss medications affect emotional eating (eating in response to feelings) and anhedonia (loss of interest or pleasure). If you're starting one of these drugs for weight loss, your participation may help understand these side effects.
Kayseri, MelikgaziAges 18 years+ - NCT07792837Recruiting
Online intuitive eating program for pregnant women with obesity
This study tests an online program that helps pregnant women with obesity learn to eat intuitively, which means listening to their body's hunger and fullness signals instead of dieting. The goal is to support their well-being during pregnancy.
San Diego, CaliforniaAges 18 years+ - NCT07797374Recruiting
Nausea, vomiting, and pain after weight-loss surgery
This study looks at how patients feel after weight-loss surgery, specifically nausea, vomiting, and pain. It uses national registry data to understand these symptoms better, which may help improve care for future patients.
SundsvallAges 18 years+
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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.