Clinical trials
Obesity clinical trials
Excess body weight that increases the risk of many other health conditions. We’re tracking 1,500 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT04917601Recruiting
Digital coaching for childhood obesity with family app support
This study tests a digital support system (a mobile app) to help children and families with obesity treatment. You may be able to use the app alongside the usual care plan if you meet the study’s age, health, and communication requirements.
MessinaAges 4–17 - NCT05176132Recruiting
Obesity screening to find hidden weight-related health issues
This study screens adults of different body sizes to find “unrecognized” weight-related health problems. It may help doctors spot issues earlier and understand how common they are across weight groups.
EsbjergAges 18–60 - NCT05277558Recruiting
MRI and brain testing in teens at risk for type 2 diabetes
This study looks at brain health in teens with normal weight, overweight, or obesity who are at risk for type 2 diabetes. It may help researchers understand how weight and diabetes risk affect the brain, using MRI scans and learning/memory tests.
St Louis, MissouriAges 12–17 - NCT05606731Recruiting
Family coaching to help prevent childhood weight gain
This study offers a family-focused program for Latino adult caregivers of young children to help prevent childhood obesity. If your child is already overweight, the program may help you learn practical ways to support healthier habits as a family.
Los Angeles, CaliforniaAges 2 years+ - 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 - NCT06013592Recruiting
Gut hormone and eating behavior meal study
This study looks at how a natural gut hormone called LEAP2 affects appetite and eating behavior. You will eat a fixed meal and have blood samples taken to understand how your body responds.
LondonAges 18–60 - NCT06028113RecruitingPhase 2
A weight gain prevention program for high-risk babies in primary care
This study tests a program to help prevent unhealthy weight gain in babies at higher risk for obesity. Families will get extra support during regular check-ups at a pediatric clinic.
Cincinnati, OhioAges 1 day+ - NCT06200961Recruiting
Trans-nasal endoscopy for bariatric patients
This study tests a thinner, more comfortable endoscope that goes through the nose instead of the mouth for patients who need an upper GI exam. It may be a gentler option for weight-loss surgery patients.
Boston, MassachusettsAges 18–90 - NCT06236932Recruiting
Infection risk in obesity study
This study looks at how obesity and related conditions affect your body's ability to fight infections. It may help find ways to prevent illness in people with obesity.
NaplesAges 18–65 - NCT07653412Recruiting
Genetic test for predicting weight loss drug response
This trial looks at whether your genes can predict how well you will respond to weight loss medications like semaglutide (Wegovy/Ozempic) or tirzepatide (Mounjaro). It may help doctors choose the right drug for you based on your DNA.
AthensAges 18 years+ - NCT06359418Recruiting
Acupuncture for prediabetes and obesity
This study tests whether acupuncture can help people with prediabetes and obesity manage their condition. If you have both higher-than-normal blood sugar and excess weight, this trial may offer a non-medication approach to improve your health.
BeijingAges 18–64 - NCT06411210RecruitingPhase 2
Weight loss medication for young adults with type 1 diabetes
This study tests whether a GLP-1 medication (a type of drug that helps with weight loss) can safely and effectively help young adults with type 1 diabetes who also have obesity. It aims to see if adding this treatment to insulin can improve weight and blood sugar control.
New Haven, ConnecticutAges 18–30 - NCT06457412Recruiting
Program for Helping Children with Severe Obesity
This study tests a program designed to help children ages 6 to 12 with severe obesity. It focuses on lifestyle changes like healthy eating and physical activity to improve your child's health.
CórdobaAges 6–12 - NCT06549062Recruiting
Paracetamol dosing in obese vs non-obese surgery patients
This trial studies how the body processes intravenous paracetamol (Tylenol) in people with and without obesity. It aims to find the right dose for safety and effectiveness during laparoscopic surgery.
Ghent, Oost-VlaanderenAges 18–70 - NCT06694012Recruiting
Ohtori Study Part 2 heart health
This study looks at heart and metabolic health in the general population. It helps researchers understand how to prevent conditions like diabetes and heart disease.
Sakai, OsakaAges 20 years+ - NCT07685483Recruiting
Drama therapy for well-being in obesity and weight-loss care
This trial tests whether drama therapy can improve psychological and social well-being for people with obesity or those in bariatric care. It compares drama therapy sessions with standard care to see if it helps with emotional health and social connections.
Blendecques, Hauts-de-FranceAges 18 years+ - NCT07686601Enrolling by invitation
Shockwave therapy for belly fat
This study tests whether a sound-wave device (shockwave therapy) applied to your belly can help shrink fat and improve body measurements. It is for adults who have stubborn belly fat and are otherwise healthy.
Shibīn al Kawm, MenofyiaAges 18 years+ - NCT06714058Recruiting
Heart risk in people with obesity
This study looks at heart health risks in people with obesity who have not had heart disease before. It aims to understand how obesity affects cardiometabolic risk factors.
Bologna, BOAges 18 years+ - NCT06755827RecruitingPhase 1/Phase 2
Online weight program for teens 11–14
This study tests a new online program to help teenagers ages 11–14 with overweight or obesity. It uses group meetings and brain scans (MRI) to understand how the program works and if it helps.
Lubbock, TexasAges 11–14 - NCT06785233Recruiting
Stomach balloon for weight loss in overweight adults
This trial tests a temporary balloon placed in your stomach (the Orbera365 balloon) to help you lose weight. It's for people who are overweight or mildly obese and want a non-surgical option.
Santo André, São PauloAges 18 years+ - NCT06791837Recruiting
Brain blood flow and lactate in obesity study
This study looks at how blood flow and lactate (a chemical your body makes) in the brain differ between people with a healthy weight and those with obesity. It may help researchers understand how weight affects brain function.
Columbia, MissouriAges 18–45 - NCT06799897Recruiting
Healthy obesity natural course study
This study follows people who have obesity but are otherwise metabolically healthy, to see how their health changes over time. You may qualify if your blood pressure, blood sugar, and cholesterol are normal.
BadenAges 18–60 - NCT06810557Recruiting
Better sleep intervention to prevent obesity in kids
This trial tests a brief sleep program for children ages 6 to 11 who sleep less than 9 hours a night. The goal is to see if improving sleep can help prevent unhealthy weight gain. Eligible families will be randomly assigned to the sleep program or to a comparison group.
Philadelphia, PennsylvaniaAges 6–11 - NCT06836284Recruiting
Extra support for teens in obesity treatment
This study is for teens aged 12–17 who are already being offered weight-loss medications. It adds extra support to see if that helps them do better with treatment.
LinköpingAges 12–17
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Common questions
- Are there clinical trials for obesity?
- Yes. Clin2 currently lists 1,500 recruiting obesity 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 obesity 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 obesity 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.