Clinical trials
Weight Loss clinical trials
Below are recruiting weight loss clinical trials, each written for real people, not researchers. We’re tracking 194 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04174755Recruiting
Semaglutide for weight loss in adults with HIV
This trial studies whether semaglutide (a diabetes-type weight-loss injection) helps adults with HIV lose weight. It also checks that it’s safe for people whose HIV is well controlled on regular treatment.
Dublin, DublinAges 18 years+ - NCT04320264Recruiting
Study tests muscle fuel patterns in adults with BMI 25–30
This study looks at how your muscles use fuel during exercise by measuring blood lactate. It may help researchers understand “metabolic inflexibility” and why some people rely more on fast, short-lasting energy during activity.
Greenville, North CarolinaAges 18–50 - NCT04431232Recruiting
Gastric banding during endoscopy to help with weight loss
This trial studies an endoscopic procedure that places a band inside the stomach to help reduce weight. You may be considered if your body weight is above a certain level and you’re able to safely undergo an endoscopy.
Giza, DokkiAges 18–65 - NCT04494048Recruiting
Registry for people considering endoscopic weight-loss procedures
This study keeps a record of people who are planning or recently had an endoscopic (camera-based) weight-loss procedure. The goal is to learn how these procedures work in real life and help doctors improve care.
New York, New YorkAges 18–89 - NCT04551482RecruitingPhase 2
Oxytocin to help teens lose weight
This study tests whether the hormone oxytocin can help adolescents with obesity lose weight. You may be asked to stay on your usual diet and routines during the 18-week study to see how well the treatment works.
Boston, MassachusettsAges 10–18 - NCT04721873RecruitingPhase 2
Weight-loss medicine for people with ulcerative colitis
This study tests whether a weight-loss medication, along with usual ulcerative colitis care, can help people who have both ulcerative colitis and obesity. It focuses on people with active symptoms or who need ongoing steroid medicine, and it also checks safety with heart, blood, infection, and mental-health screenings.
La Jolla, CaliforniaAges 18–80 - NCT04990024Recruiting
Diet trial for people with obesity using semaglutide
This study compares different diets to see how they affect “arterial stiffness” (how hard the blood vessels are) in people with obesity who are starting semaglutide for weight management. It may help find a diet approach that improves heart and blood-vessel health while you use semaglutide.
Beirut, Riad El SolhAges 18–49 - NCT04997473Recruiting
Mobile app weight-loss program for young transplant patients
This trial tests whether a phone app can help young people who previously had a stem cell transplant lose weight. It’s designed for people who are at least 100 days out from transplant and who meet weight criteria.
Los Angeles, CaliforniaAges 13–30 - NCT05309863Recruiting
Compare home versus clinic weight programs for fatty liver
This study compares two weight-loss programs for children with fatty liver disease related to weight, to see which helps the liver and health better. You may be eligible if your child is already enrolled in a lifestyle program for childhood obesity and meets key safety checks.
Ghent, East-FlandersAges 8–18 - NCT05326477Recruiting
Study factors that predict how well behavioral weight plans work
This study looks at which personal and health factors help or hurt how well behavioral obesity treatments work. It may help doctors better tailor weight-treatment plans for people with obesity.
Chicago, IllinoisAges 18 years+ - NCT05530538Recruiting
Phone app program to help teens manage weight
This study tests a weight-management app (the BrainWeighve app) for teens. It looks at whether the app is workable and helpful for teens who are motivated to change weight habits.
Los Angeles, CaliforniaAges 14–21 - NCT05707442RecruitingPhase 3
Stent or standard treatment for idiopathic intracranial hypertension
This Phase 3 trial compares putting in a venous sinus stent versus using medicine alone for idiopathic intracranial hypertension (IIH). It aims to see which approach better protects vision and lowers pressure in the brain.
Beijing, Beijing MunicipalityAges 18–60 - NCT05711758Recruiting
Endoscopic stomach muscle cut for weight loss
This trial tests whether an endoscopic procedure that cuts a stomach outlet muscle can help with weight loss and be safe. You would be screened to make sure you don’t have certain stomach, heart/lung, or pregnancy-related conditions that could make the procedure unsafe.
Boston, MassachusettsAges 18–70 - NCT05859867Recruiting
Studying newborn and early-childhood community health
This study looks at how babies and young children (ages 0–5) in two local communities develop over time. It may help researchers understand community health needs and what supports work best for families.
NovaraAges 2 days–5 years - NCT05861973Recruiting
Smartphone program to support weight loss
This study tests a smartphone app (“SMARTer”) to help adults manage weight. You may be able to join if you have overweight and are not already in a structured weight loss program.
Tallahassee, FloridaAges 18 years+ - NCT05878912Recruiting
Obesity and weight loss in certain heart failure patients
This study looks at how higher body weight and weight loss affect people who have heart failure with preserved pumping strength. It uses heart scans to measure how the heart and body change, which may help guide future treatment plans.
OxfordAges 18–85 - NCT05901675Recruiting
Weight loss and exercise after stroke in walking recovery
This trial studies whether a weight-loss plan combined with exercise can improve walking and leg movement after stroke. It may help if you have ongoing leg weakness but can still walk without devices for testing.
Charleston, South CarolinaAges 35–85 - NCT05919797RecruitingPhase 4
Weight loss genetics study with naltrexone and bupropion
This trial studies how your genetic makeup and body response may affect weight loss with a medication combination called naltrexone and bupropion. If you qualify, you’ll likely take these medicines and be monitored for safety and changes in weight over time.
New York, New YorkAges 18–65 - NCT05942287Recruiting
Weight and weight loss study in heart failure with weak pumping
This study looks at how obesity and weight loss affect people living with heart failure where the heart pumping strength is reduced. It uses heart imaging (MRI) to measure the heart and may help clarify what weight changes do for symptoms and heart function.
Jersey, JerseyAges 18–85 - NCT05987631Recruiting
Predicting weight loss and health after weight loss surgery
This study looks at why some people lose more weight and improve their health more than others after bariatric surgery. It also has a subgroup that specifically studies people who are insulin resistant (a sign of prediabetes) to see how surgery affects their metabolism.
Gouda, South HollandAges 18–75 - NCT06044571Recruiting
Weight loss program for older adults via telehealth
This trial tests a weight loss program delivered through video calls to help adults aged 65-85 with obesity lose weight. It is designed for those with at least two other health conditions and who are ready to make changes.
Chapel Hill, North CarolinaAges 65–85 - NCT06067906Recruiting
Weight loss diet after pre-eclampsia in overweight women
This trial tests whether a special diet (either a low-calorie or a 'dissociated' diet) helps women who have had pre-eclampsia lose weight. It may help you reduce future health risks.
Le MansAges 18–45 - NCT06105957Recruiting
Digital weight loss program for rural adults
This study tests a digital weight loss program designed for adults living in rural areas. It uses a smartphone app, website, and video group sessions to help you lose weight through diet and physical activity.
Columbia, South CarolinaAges 18 years+ - NCT06138821Recruiting
Endoscopic sleeve gastroplasty for obesity and MASH
This study tests if a procedure called endoscopic sleeve gastroplasty helps people with obesity and a liver condition called MASH lose weight and improve their liver health. It might be an option if you have both obesity and MASH and haven't had weight-loss surgery before.
Boston, MassachusettsAges 18 years+
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Common questions
- Are there clinical trials for weight loss?
- Yes. Clin2 currently lists 194 recruiting weight loss 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 weight loss 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 weight loss 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.