Clinical trials
Weight Loss clinical trials
Below are recruiting weight loss clinical trials, each written for real people, not researchers. We’re tracking 193 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT03840733Enrolling by invitation
Study linking meal timing and habits to weight loss
This study looks at how timing of daily behaviors (like eating) relates to how much weight people lose during a behavioral weight loss program. You may be asked to track your activity with wearable devices and to do body-metabolism testing using urine samples and special water.
Aurora, ColoradoAges 18–60 - NCT07461701Recruiting
Comparing two squat intensities for strength in young women
This study compares two ways of doing bodyweight squats (stopping when you lose 15% vs 30% of your speed) to see which is better for building leg strength and endurance in young women who are not very active. It may help find a simple, safe way to improve fitness at home.
Lahore, Punjab ProvinceAges 18–25 - NCT04907396Recruiting
Registry for adults trying to lose weight
This study is a registry that collects information from adults (18+) who are considering, currently working on, or have tried weight loss in the past. It may help researchers better understand weight-loss experiences and what strategies people use.
Birmingham, AlabamaAges 18 years+ - NCT05880108Recruiting
Behavior program to help COVID recovery in Veterans
This study tests whether a behavioral (lifestyle) program can improve recovery from COVID-19, especially for Veterans with different body weights. It looks at people who either have never had COVID before or had COVID more than 90 days ago.
Baltimore, MarylandAges Up to 80 years - NCT06989177Recruiting
Can a probiotic help with body weight?
This trial tests whether taking a probiotic (a good bacteria supplement) can help with body weight. It is for healthy adults, and also for overweight or obese people who have certain weight-related health issues.
Hangzhou, ZhejiangAges 20–50 - NCT07503210RecruitingPhase 3
Study of a new medicine to maintain weight loss
This study tests an investigational medicine to help people who have lost weight keep it off. It's for adults without diabetes who haven't used similar weight-loss drugs before.
Anniston, AlabamaAges 18 years+ - NCT06209996Recruiting
Weight management program for Chinese cancer survivors
This trial is for Chinese cancer survivors who are overweight. It offers a weight management program to help you live healthier after treatment.
Hong KongAges 18 years+ - NCT07419854RecruitingPhase 4
Restoring facial fullness after GLP-1 weight loss with Radiesse
This trial tests whether a facial filler called Radiesse can restore volume lost during weight loss from GLP-1 medications (like Wegovy or Mounjaro). It's for adults just starting GLP-1 therapy who expect to lose 20 pounds or more and want to see if fillers can help their face look fuller.
Pasadena, CaliforniaAges 21–65 - NCT06193577Recruiting
White kidney bean extract for weight and metabolism
This trial tests whether a dry extract from white kidney beans (Phaseolus vulgaris) can help men with overweight or mild obesity lose weight and improve metabolic health. Participants will follow a diet and take the extract or a placebo for a few weeks.
Catania, CataniaAges 18–60 - NCT02043457Recruiting
Study factors that predict long-term weight loss success
This study looks for traits (like health measurements or medical factors) that can help predict who will successfully lose weight and keep it off. It may help researchers personalize weight-loss plans in the future.
Ann Arbor, MichiganAges 15–75 - NCT03123835Enrolling by invitation
Testing POEM and other procedures for reflux and swallowing problems
This trial studies how well POEM and other endoscopy-based (through-the mouth) treatments work for conditions like acid reflux, achalasia (trouble moving food), and Barrett’s esophagus. It may help doctors compare outcomes and choose the safest, most effective procedure for your situation.
Sacramento, CaliforniaAges 18–80 - NCT07239167Enrolling by invitation
Weight change study for adults with obesity
This study looks at how weight changes affect health in adults with obesity. You may qualify if you have a high BMI and are willing to try a weight loss program.
Taipei, Zhongzheng DistAges 18 years+ - NCT04453072Recruiting
iPhone weight-loss app for teens and young adults after transplant
This study tests whether an iPhone weight-management app can help adolescents and young adults lose weight after a stem cell transplant. If you qualify, you’ll use the app and the team will track changes in weight.
Los Angeles, CaliforniaAges 13–30 - NCT07163455Recruiting
Time-restricted eating for keeping weight off
This study tests if eating only during certain hours of the day helps people maintain weight loss after a structured program. It may be a good fit if you are overweight or have related health issues and want a simple eating schedule to follow.
Beijing, Beijing MunicipalityAges 18–65 - NCT07736547Enrolling by invitation
AI-guided supplement for weight loss
This study tests a nutritional supplement (guided by your gut bacteria) to help with weight loss, along with lifestyle advice. It might be a good fit if you are overweight but not diabetic and have not used weight-loss medications recently.
IstanbulAges 18–65 - NCT06339840Recruiting
Lifestyle change for weight and fertility in obese men
This study tests whether a lifestyle program (diet and exercise) can help men with obesity lose weight and improve their chances of fathering a child through fertility treatment. You and your partner can join if you are an obese male, your partner has a healthy weight and regular periods, and you are both planning treatment at our center.
Zhengzhou, HenanAges 22–40 - NCT07513168RecruitingPhase 4
Low-dose semaglutide for weight loss in obese adults
This study tests whether a low dose of semaglutide (a once-weekly injection) can help obese adults without diabetes lose weight. Semaglutide works by reducing appetite and helping your body use food differently.
Hyderābād, SindhAges 18 years+ - NCT05925959Recruiting
Weight loss before abdominal hernia surgery
This trial studies whether losing weight before open abdominal wall hernia repair is safe and helpful for recovery. It may help your surgeon plan the operation more effectively, especially when a complex technique (with mesh and muscle release) is expected.
Chicago, IllinoisAges 18 years+ - NCT05780814Recruiting
Treating insomnia to improve weight loss after breast cancer
This study looks at whether improving insomnia (trouble falling asleep or staying asleep) can help survivors of breast cancer lose weight more successfully through a structured behavioral weight loss program. It may help if sleep problems are making it harder to change eating and activity habits.
Washington D.C., District of ColumbiaAges 18 years+ - NCT06184633RecruitingPhase 4
Weight control in atrial fibrillation study
This study tests if a weight management program helps people with a new type of irregular heartbeat (atrial fibrillation) and obesity. It aims to see if losing weight can improve heart rhythm and reduce the need for further treatment.
Arnhem, GelderlandAges 18 years+ - NCT06455878Recruiting
Mobile app for weight loss in heart failure patients
This trial tests a mobile app that helps you track your diet to manage your weight. It is designed for people with heart failure who are overweight and have recently been in the hospital for their condition.
Beijing, Beijing MunicipalityAges 18 years+ - NCT05170919Enrolling by invitationPhase 2
Olanzapine vs mirtazapine for weight loss in advanced cancer
This Phase 2 study tests whether the medicines olanzapine or mirtazapine can help people with advanced cancer who are losing weight without trying. It looks at improving unintentional weight loss when standard cancer care is also ongoing.
Englewood, New JerseyAges 18 years+ - NCT07446998RecruitingPhase 2
Study on enobosarm for weight loss in older adults on semaglutide
This trial tests if adding enobosarm (a muscle-preserving drug) to semaglutide (a weight-loss medication) can help older adults maintain muscle and improve physical function while losing weight. It may be an option for people who are already taking semaglutide and want to prevent muscle loss.
Phoenix, ArizonaAges 65–100 - NCT06244888RecruitingPhase 2
Using new strategies to help maintain weight loss
This study tests a method to help people who have already lost weight keep it off. It uses a control systems engineering approach to provide personalized support.
Providence, Rhode IslandAges 18–70
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Common questions
- Are there clinical trials for weight loss?
- Yes. Clin2 currently lists 193 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.