Clinical trials
Weight Loss clinical trials
Below are recruiting weight loss clinical trials, each written for real people, not researchers. We’re tracking 182 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- 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 - NCT04841057Enrolling by invitation
Study of blood and stool changes after weight-loss surgery
This study looks at how your body’s metabolism changes after a specific weight-loss surgery (gastric bypass). It may help researchers better understand what to expect and how to tailor care, while requiring blood draws and stool samples before and after surgery.
Columbia, MissouriAges 18–80 - 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 - 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 - 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 - 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+ - NCT03868592Recruiting
Weight loss study in people with very high body weight
This trial looks at how to support long-term weight loss and improve how your body handles fat breakdown. It may help people who have severe obesity after bariatric (weight-loss) surgery, but it has several health and lifestyle limits.
Rochester, MinnesotaAges 18–65 - NCT02939664Enrolling by invitation
Laparoscopic gastric bypass vs banding for weight loss
This trial compares two types of minimally invasive weight-loss surgery: gastric bypass versus a gastric band. It looks at which approach works better and is safer for people who qualify for bariatric surgery and have not succeeded with supervised weight-loss programs.
Majadahonda, MadridAges 18–65 - NCT02829619Recruiting
Eating at Set Times to Help with Weight Loss
This study looks at whether changing when you eat, along with looking at your genes, can help people lose weight. It’s mainly for adults who are above a healthy weight range and don’t have certain health conditions or medicines.
Murcia, MurciaAges 18 years+ - NCT01927783Recruiting
Community weight loss program for people in Washington area
This study tests a community-based behavioral weight loss program. It may help participants learn practical habits for healthier weight by working with people in local faith communities.
Bethesda, MarylandAges 19–85 - NCT07351214Enrolling by invitation
Mindfulness support for weight regain after slimming surgery
This trial tests if motivational interviewing combined with mindfulness can help patients manage weight regain after weight loss surgery. You may qualify if you regained weight at least 6 months after surgery.
AnkaraAges Any age - NCT07299942Recruiting
Beta-glucan supplement for weight loss in women
This trial tests whether taking a beta-glucan supplement (a type of fiber) during a calorie- and carb-restricted diet helps with losing body weight and fat, controlling appetite, and managing hunger hormones. It is for healthy women who are overweight or obese and not following a special diet.
GlasgowAges 18–60 - NCT07855939Recruiting
Iron absorption and loss in women over time
This study looks at how well women absorb iron and lose it over a long period. It compares normal-weight women with overweight or obese women who have low-level inflammation. The goal is to understand iron levels in the body, which could help improve iron recommendations.
Nakhon PathomAges 40–50 - NCT07557771Recruiting
Testing Middle Ear Function with Sound Waves
This research study tests a new way to measure how well your middle ear (the tiny bones behind your eardrum) works using sound waves instead of traditional hearing tests. It involves three groups: people with normal hearing, people with conductive hearing loss, and people scheduled for cochlear implant surgery.
LeuvenAges 18 years+
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Common questions
- Are there clinical trials for weight loss?
- Yes. Clin2 currently lists 182 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.