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
- NCT07402031Recruiting
Predicting weight loss from obesity treatments
This study looks at how people lose weight after medication or surgery for obesity. It helps predict which treatment might work best for you.
Brussels, Brussels CapitalAges 18–65 - NCT07448090Recruiting
Obesity treatment real-world study
This study looks at how obesity treatments work in real life for adults with a high body mass index. It aims to help doctors understand what works best for different people.
Wuhan, HubeiAges 18–75 - NCT07539766Recruiting
Obesity Surgery Study to Prevent Heart Problems
This study follows people with obesity who are having weight-loss surgery to see if the surgery can help prevent a specific type of heart problem (HFpEF) that sometimes develops in people carrying excess weight. Researchers will track your heart health and metabolism before and after surgery.
Heerlen, LimburgAges 35 years+ - NCT07578584RecruitingPhase 1
Safety study of NNC0497-0040 in healthy and overweight adults
This early-stage study tests a new investigational medication in three groups: healthy adults with normal weight, adults who are overweight or obese, and men with type 1 diabetes who are also overweight. The research aims to understand how safe the medication is and how the body processes it.
NeussAges 18–55 - NCT07614464Recruiting
How obesity affects movement and daily living in older adults
This study compares how obesity impacts physical abilities and everyday activities in people over 65. Researchers will measure strength, movement, and how well people manage daily tasks to better understand obesity's effects on aging.
OggebbioAges 65 years+ - NCT07616232Recruiting
School and family program to prevent obesity in Pakistani children
This study tests whether a program combining school activities and family involvement can help prevent obesity in children ages 6–12. Your child would participate in physical activities at school and your family would receive guidance on healthy habits.
Lahore, Punjab ProvinceAges 6–12 - NCT07636395Recruiting
How obesity medication affects your eating habits
This study tracks how your eating behavior changes when you take obesity medication. Researchers want to understand what happens to your appetite and food choices before, during, and after treatment to help improve how these medications work.
DublinAges 16–80 - NCT07650149Recruiting
Genetic and Lifestyle Factors in Weight Management
This study explores how genetics, gut bacteria, and behaviors influence weight gain and obesity. Researchers will examine these factors in adults who are overweight or obese to better understand what drives weight changes.
KrakowAges 18–60 - NCT07666425Recruiting
Understanding obesity types and treatment response
This study is following people with obesity to better understand different types of obesity and what affects treatment success. By joining, you help researchers learn which treatments work best for which people.
Bologna, BolognaAges 18 years+ - 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+ - NCT07041983Enrolling by invitation
Measuring energy use in obesity treatment
This study looks at how certain anti-obesity medications affect your body's energy use over 24 hours to help you lose weight more effectively.
PisaAges 18–80 - NCT07028814Enrolling by invitation
Risk-Informed Weight Care Plan for Children
This trial tests a personalized care plan for children with overweight or obesity. If your child qualifies, you'll work with their doctor on a plan to help manage their weight.
Boston, MassachusettsAges 2–12 - NCT06914765Enrolling by invitation
Endoscopic sleeve gastroplasty for teens with obesity
This study tests a new, non-surgical procedure called Endoscopic Sleeve Gastroplasty (ESG) to help teenagers with severe obesity lose weight. The goal is to see if it can improve their health and help them reach a healthier weight.
Philadelphia, PennsylvaniaAges 12–17 - NCT06735573Enrolling by invitation
Protein, muscle loss, obesity, and COPD study
This study tests whether a protein intervention can help women over 55 with COPD who also have muscle loss and obesity. It aims to improve their strength and health.
Aberdeen, ScotlandAges 55 years+ - NCT06722443Enrolling by invitation
Probiotics and Prebiotics for Obesity
This trial tests whether adding probiotics and prebiotics to your diet can help with obesity and related health problems like prediabetes, diabetes, high cholesterol, or high blood pressure.
Granada, SpainAges 18–75 - NCT06512818Enrolling by invitationPhase 1/Phase 2
Testing Psiguavin for weight loss in obesity
This study tests a natural supplement made from guava (called Psiguavin) to see if it helps with weight loss in people who are overweight or have obesity. Participants will take the supplement and be monitored for weight changes and safety.
MurciaAges 18–65 - NCT05122936Enrolling by invitation
Watching obesity in people using XOWI
This study observes how obesity changes during the use of a treatment called XOWI. It may help researchers understand whether it’s safe and potentially helpful for people with higher body weight.
Shanghai, Shanghai MunicipalityAges 18–70 - NCT07776678Recruiting
Body fat and muscle measurement study
This study uses advanced body scans (like MRI and DXA) to better measure body fat and muscle. It may help improve how obesity is diagnosed and treated.
Phoenix, ArizonaAges 18 years+ - NCT07392190RecruitingPhase 3
Study of eloralintide for people with persistent obesity
This trial tests if adding eloralintide helps people who are still obese or overweight while taking weekly incretin therapy. It aims to support additional weight loss for those who haven't reached their goals.
Birmingham, AlabamaAges 18 years+ - NCT06309238Recruiting
Intensive diet vs. surgery for severe obesity
This study compares two programs for people with severe obesity: an intensive weight-loss diet and a weight-loss surgery (bariatric surgery). It aims to see which approach works better for long-term health.
AarhusAges 18–60 - NCT06937086RecruitingPhase 3
Mirikizumab plus tirzepatide for UC with obesity
This study tests whether adding mirikizumab to the weight-loss drug tirzepatide helps people with moderate-to-severe ulcerative colitis who also have obesity or overweight. It aims to see if the combination reduces bowel inflammation and helps with weight management.
Dothan, AlabamaAges 18–70 - NCT07693608Enrolling by invitationPhase 2
Tirzepatide for weight loss in stimulant use disorder
This trial tests whether a weekly injection called tirzepatide (a diabetes and weight-loss medication) can help people with obesity and stimulant use disorder reduce stimulant use and lose weight. It aims to see if treating both conditions together improves outcomes.
Dallas, TexasAges 18–65 - NCT06937099RecruitingPhase 3
Testing two drugs for Crohn's with weight issues
This trial tests two study drugs, mirikizumab and tirzepatide, in people with moderate to severe Crohn's disease who also have overweight or obesity. The goal is to see if these treatments can help control Crohn's symptoms and inflammation.
Dothan, AlabamaAges 18–70 - NCT07662122RecruitingPhase 2
Testing a new weight loss medication in adults with obesity or overweight
This trial tests an investigational drug called BI 3034701 to see if it helps people lose weight. It is for adults who are obese or overweight with at least one weight-related health problem.
Birmingham, AlabamaAges 18–74
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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.