Clinical trials
Obese clinical trials
Below are recruiting obese clinical trials, each written for real people, not researchers. We’re tracking 1,434 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06309563Recruiting
Essential amino acid diet for severe obesity
This study tests whether replacing some foods with essential amino acids (protein building blocks) can improve metabolism in people with severe obesity. It aims to find a non-surgical way to boost weight loss.
Oggebbio, VerbaniaAges 45–65 - NCT06277232Recruiting
Nutrition care for chronic pain patients
This trial tests a nutrition care program for people with chronic pain who are also overweight. You will receive support to improve your diet while attending a pain rehabilitation program.
Linköping, Östergötland CountyAges 18 years+ - NCT06292936Recruiting
Remi for weight regain after weight loss surgery
This study tests if the medication Remi can help people who have gained back at least 5% of their lowest weight after gastric bypass or sleeve gastrectomy. It is meant for those who are not currently using other weight loss drugs and are otherwise healthy enough to participate.
Chicago, IllinoisAges 18–70 - NCT06278285Recruiting
GLP-1 drug effect on fat tissue before bariatric surgery
This study looks at how taking a GLP-1 medicine (like Ozempic or Wegovy) affects your fat tissue before bariatric surgery. It compares people who have taken a GLP-1 for at least 3 months to those who never have.
Nice, Alpes-maritimesAges 18 years+ - NCT06286761Recruiting
Validation of lab tests for metabolism research
This study checks how reliable routine lab tests and research techniques are for metabolism research. It may help you if you are a healthy adult with a stable weight and no major health conditions.
Columbia, MissouriAges 18–75 - NCT06293703Recruiting
Leg length ratio and weight loss after gastric bypass
This study looks at how the length of different parts of your small intestine affects weight loss after Roux-en-Y gastric bypass surgery. It may help doctors tailor the surgery for better results.
Cleveland, OhioAges 18–70 - NCT06292728Recruiting
Study of the ENDOPLY System for Weight Loss
This trial tests a new device called the ENDOPLY system, which is placed inside the stomach through a tube in the mouth to help with weight loss. It is for people who have struggled with dieting and have a BMI between 30 and 40.
BrnoAges 18–60 - NCT06282952Recruiting
Stool transplant for C-section babies' health
This trial tests whether giving a special stool transplant (fecal microbiota) to healthy babies born by C-section can improve their health. It aims to see if this treatment helps replace good bacteria that are normally passed during a vaginal birth.
OuluAges birth–6 hours - NCT06271317Recruiting
Complications after sleeve gastrectomy study
This study looks at complications after a type of weight-loss surgery called sleeve gastrectomy (removing part of the stomach). If you are considering this surgery and meet the weight/health guidelines, you may be able to join to help doctors learn more about risks and recovery.
Nantes, NantesAges 18 years+ - NCT06234332Recruiting
Peking University Birth Cohort in Weifang
This study follows pregnant women and their families in Weifang to learn about health during pregnancy, birth, and early childhood. If you join, you, your husband, and your baby will be part of a long-term research project that tracks your health and development.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06230510Recruiting
Whole vs. low-fat milk study for toddlers
This study compares the health effects of drinking whole milk versus 1% low-fat milk for one year in children aged 23 to 48 months. Researchers want to see which type of milk is better for growth and overall health.
Oakland, CaliforniaAges 1.9 years–4 years - NCT06223555Recruiting
Mixed meal energy study in healthy adults
This study looks at how your body responds to a mixed meal (a test drink or meal) when the calories are either fixed or adjusted to your energy needs. It may help researchers understand how to measure metabolism more accurately.
Phoenix, ArizonaAges 18–99 - NCT06206954Enrolling by invitation
Supporting healthy lifestyle changes for weight loss
This study tests whether a simple lifestyle program helps people lose weight. It involves regular check-ins with your doctor and using a smart scale at home.
Gainesville, FloridaAges 18 years+ - NCT06226077RecruitingPhase 1/Phase 2
Sleep health program for African American adults
This study is testing a culturally tailored program to help African American adults who are overweight and sleep poorly get more sleep. If you join, you'll work with a coach to improve your sleep habits and health.
Minneapolis, MinnesotaAges 21–75 - NCT05777928Recruiting
Tests satiety changes after bariatric surgery revision
This study looks at how feelings of fullness (satiety) change in people getting bariatric surgery—either a sleeve gastrectomy or a revision procedure. It may help improve how well weight-loss stays on track after surgery.
MilanAges 18–65 - NCT06055036Recruiting
Stress reduction for heart health in Black men
This study looks at how reducing stress can improve cardiovascular health in Black men. It involves lifestyle changes and support to help lower your risk of heart disease.
Columbus, OhioAges 18 years+ - NCT06173778RecruitingPhase 2
Semaglutide for weight management after quitting smoking
This study tests whether the drug semaglutide (often used for weight loss) can help people who quit smoking avoid gaining weight. It's for people who are overweight or have weight-related health issues and want to stop smoking.
Austin, TexasAges 18–75 - NCT05338944Recruiting
Dialectal behavior therapy for teens with obesity and low mood
This study tests whether Dialectal Behavior Therapy (DBT)—a structured skills-based counseling program—can help teens make healthier behavior changes. It is for teens who have obesity and mild to moderate symptoms of depression, and it checks whether they can follow the study plan.
Calgary, AlbertaAges 14–17 - NCT05963971Recruiting
Bilingual online program to prevent weight gain in childhood leukemia
This trial tests a bilingual, online program to help children and teens who have ALL (a type of leukemia) stay at a healthy weight during the maintenance phase of treatment. It may help lower the chance of gaining too much weight while on chemotherapy.
New York, New YorkAges 5–21 - NCT06131281Recruiting
Comparing two endoscopic procedures for weight regain after gastric bypass
This study compares two endoscopic procedures used to help people who have regained weight after gastric bypass surgery. The goal is to see which procedure is more effective at reducing the size of the connection between the stomach and intestine to help with weight loss.
Cleveland, OhioAges 18 years+ - NCT06132477RecruitingPhase 4
Study of GLP-1 medicines after weight loss surgery
This study looks at what happens when people taking a GLP-1 medication (like Ozempic) either stop or continue it after weight loss surgery. The goal is to learn whether staying on the medicine helps with long-term weight control.
Columbia, MissouriAges 18 years+ - NCT06147973Recruiting
Healthy lifestyle program for teen girls
This study tests a healthy lifestyle program that helps teen girls accept their bodies and make positive changes. It aims to see if this approach can improve weight-related health and well-being.
Philadelphia, PennsylvaniaAges 14–19 - NCT06153056Recruiting
Predicting success of stomach sleeve procedure
This study looks at factors that predict weight loss success after a non-surgical stomach reduction procedure (endoscopic sleeve gastroplasty). It may help if you have obesity-related health problems and have not succeeded with diet or lifestyle changes.
ParisAges 18 years+ - NCT06105164Recruiting
Brain's Fullness Circuit Study
This study uses brain imaging and mild magnetic stimulation to explore how a brain circuit helps you feel full after eating. It may help us understand eating behaviors and weight regulation.
Belmont, MassachusettsAges 18–65
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Common questions
- Are there clinical trials for obese?
- Yes. Clin2 currently lists 1,434 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.