Clinical trials
Obese clinical trials
Below are recruiting obese clinical trials, each written for real people, not researchers. We’re tracking 1,496 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04634591Recruiting
Weight-loss surgery study for people with severe obesity
This trial studies bariatric (weight-loss) surgery and how well it helps people reach and keep a healthier weight. You may qualify if you have severe obesity and have not been able to maintain weight loss with other attempts, and if you can safely follow the study plan.
Bialystok, Podlaskie VoivodeshipAges 18 years+ - NCT04657367Recruiting
Diabetes and prediabetes health tracking registry study
This study is a registry that collects information from people with diabetes, prediabetes, or normal blood sugar to better understand these conditions over time. It may help researchers learn which factors are linked to health changes, including future diabetes risk.
Bialystok, Podlaskie VoivodeshipAges Any age - NCT04735835Recruiting
Personalized diet testing using ZOE app and blood samples
This trial studies how different food compositions affect your body, using the ZOE testing program plus meals you eat and blood samples you collect. It may help you learn more about what foods work best for you, especially if you have a long-term health condition.
Needham, MassachusettsAges 18 years+ - NCT04752293Recruiting
Study of a kidney blood-pressure system in kids
This study looks at how a kidney-related blood-pressure system works in children and teenagers, comparing those with newly diagnosed primary (no known cause) high blood pressure to those with normal blood pressure. It may help doctors better understand childhood blood-pressure changes and guide future care.
Winston-Salem, North CarolinaAges 7–18 - NCT04755062Recruiting
Native-focused plant diet study for adults with BMI over 24
This trial tests whether a culturally relevant, plant-rich, micronutrient-dense diet can improve health for Native American adults. It may help with weight-related goals, but it requires weekly group coaching and specific medical and workplace criteria.
Flagstaff, ArizonaAges 18 years+ - NCT04791371Recruiting
Study how fitness and insulin resistance relate to diabetes
This study looks at how low physical activity, insulin resistance in small blood vessels, and cardiorespiratory fitness connect to diabetes and blood sugar control. You may be eligible if you are generally sedentary and fit within the weight range, and if you do not have certain heart, lung, nerve, or medication factors.
Aurora, ColoradoAges 30–55 - NCT04805762Recruiting
Coach program for kids with overweight or obesity
This study tests a lifestyle coaching program delivered through “Your COACH Next Door” for children. It may help with weight and healthy habits by providing support to help kids adopt healthier routines.
Maastricht, LimburgAges Up to 18 years - NCT04812132Recruiting
Compare two types of weight-loss stomach surgery
This study compares two surgical methods used for weight loss: OAGB and a longer-limb Roux gastric bypass. It may help find which option works best for people with severe obesity and obesity-related health problems.
TartuAges 18–60 - NCT04812314Recruiting
Study how exercise changes body fat and metabolism
This study looks at how starting exercise changes the structure and function of body fat. It may help you understand how exercise affects things like cholesterol and blood sugar, even if you’re not currently exercising regularly.
Ann Arbor, MichiganAges 18–40 - NCT04824248Recruiting
Weight-loss program for chronic low back pain
This trial studies whether weight loss can improve long-lasting, non-specific low back pain. It may help people whose back pain is partly related to extra weight by testing a structured approach over time.
BrusselsAges 18–65 - NCT04851470Recruiting
Dental gum check in adults with obesity
This study looks at gum health in adults with obesity. It may help researchers understand how weight and related health factors affect periodontal (gum) status and what to monitor in bariatric care populations.
LondonAges 18 years+ - NCT04873011RecruitingPhase 1
Quinine in overweight women to change hunger and gut hormones
This early study tests whether quinine affects hunger and digestion-related gut hormones in women who are mildly overweight. It may help researchers understand how the body controls appetite, but it is mainly to check effects and safety.
Leuven, Vlaams-BrabantAges 18–65 - NCT04894838Recruiting
Testing a bypass revision surgery for weight regain
This study looks at whether a specific stomach bypass revision (a “distal gastric bypass”) can improve outcomes after Roux-en-Y gastric bypass when weight loss was not enough or weight was regained. You may be considered if you meet weight-loss goals criteria and can join follow-up and possibly surgery.
Arnhem, GelderlandAges 18–65 - 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+ - NCT04913064Recruiting
White button mushroom supplement for inflammation in high-risk breast cancer
This trial tests whether a white button mushroom powder supplement can lower inflammation in postmenopausal women who have a high risk of breast cancer. If it helps, it could improve early prevention strategies for people at higher risk.
Duarte, CaliforniaAges 21 years+ - NCT04930029Recruiting
Long-term follow-up after gastric bypass with an omega limb
This study looks at long-term side effects years after gastric bypass surgery done in a specific way. If you had this type of surgery and agree to an endoscopy with small tissue samples at 10 years, you may help doctors understand longer-term outcomes.
LilleAges 18 years+ - NCT06325722Recruiting
Low fat vs. low carb diet order and body fat change
This study compares how the order of low fat versus low carb diets affects body fat changes. It may help you understand which diet sequence works best for weight loss.
Bethesda, MarylandAges 18–50 - NCT07698132Recruiting
Psychotherapy for binge eating disorder
This trial tests three levels of psychotherapy (high, medium, and low intensity) to find which works best for binge eating disorder. It aims to help you stop binge episodes and improve your relationship with food.
Ballerup Municipality, Capital RegionAges 18–65 - NCT06007404Recruiting
Understanding metabolism and inflammation in teens
This study looks at how metabolism and inflammation relate to diabetes risk in teenagers. It may help researchers understand why some teens develop type 2 diabetes.
Ann Arbor, MichiganAges 14–18 - 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 - NCT04940962Recruiting
Study of fat tissue in obesity and type 2 diabetes
This study looks at a specific receptor (CB1) in abdominal fat tissue to understand how it affects fat-related chemicals in the body. Your participation would involve giving consent and having a tissue sample taken during planned internal (visceral) surgery.
DijonAges 18–80 - NCT04943926Recruiting
Diet changes to help put type 2 diabetes into remission
This study tests whether specific dietary strategies can help people with type 2 diabetes reach remission (better blood sugar without ongoing high medication needs). You may be a good candidate if your diabetes is relatively recent, your weight is above a certain threshold, and your heart and other health conditions are stable.
Bergen, VestlandAges 24–70 - NCT04945473Recruiting
Testing weight-loss surgery follow-up and gastric “recalibration”
This trial studies what happens after a weight-loss procedure called endoscopic sleeve gastroplasty (ESG) and whether a “recalibration” approach can improve results. You may be considered if you have long-term obesity that did not improve with lifestyle/medical treatment.
StrasbourgAges 18–75 - NCT04949451Recruiting
Testing time-restricted eating for muscle and metabolism
This study looks at whether eating only during certain hours can improve muscle and metabolism in adults with higher body weight. You may be asked to follow a specific eating schedule and avoid things that could affect the results.
Fayetteville, ArkansasAges 25–50
Hear when a new Obese 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 obese?
- Yes. Clin2 currently lists 1,496 recruiting obese 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 obese 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 obese 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.