Clinical trials
Obesity clinical trials
Excess body weight that increases the risk of many other health conditions. We’re tracking 1,434 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05404061Recruiting
Study for people who don’t lose weight after bariatric surgery
This study looks at people who have had bariatric surgery but still struggle to lose weight (or lose it poorly). It aims to better understand how to help “poor responders” and what might be interfering with weight-loss results.
LondonAges 18–70 - NCT06207110Recruiting
Family support program for children with high food responsiveness
This study tests a program for families with children ages 7–12 who have overweight or obesity and often feel strong urges to eat. The program helps parents support their child in eating healthier and being more active.
La Jolla, CaliforniaAges 7–12 - NCT07123779RecruitingPhase 1/Phase 2
Study of a new drug for heart failure with pulmonary hypertension
This study tests an investigational drug (HS235) for people who have both heart failure with preserved ejection fraction and a type of pulmonary hypertension that can happen with it. The goal is to see if the drug can improve symptoms and quality of life.
Kansas City, MissouriAges 18 years+ - NCT07119437Recruiting
Low-impact laparoscopy for weight loss surgery
This trial compares a newer, less invasive laparoscopic technique to the standard method for sleeve gastrectomy, a type of weight-loss surgery. It aims to see if the low-impact approach reduces pain and speeds recovery.
Rome, ItalyAges 18–65 - NCT07120516Recruiting
School program to boost physical activity in teens
This study tests a program designed with your school to help students become more active. You'll answer questions, get some measurements taken, and possibly wear a small activity tracker.
KaunasAges 12–16 - NCT07120802Recruiting
Better4All healthy habits pilot program
This study tests a personalized program using a wearable and an Android app to help people build healthier habits over three weeks. It's for adults who are at a normal weight or overweight and are comfortable using technology.
NicosiaAges 18–65 - NCT07118540Recruiting
Weight-loss surgery follow-up after 5 years
This trial is checking how well patients are cared for after weight-loss surgery, focusing on those who stopped coming to check-ups 5 years after their operation. If you were part of the OBESEPI study and haven't been seen recently, this research wants to understand your experience.
Nancy, LorraineAges 18–65 - NCT06682286Recruiting
Breathing patterns during nighttime NIV
This study looks at how people breathe while using their nighttime breathing machine (NIV). It helps doctors understand breathing patterns better for people with COPD or OHS.
AucklandAges 18 years+ - NCT06964880Recruiting
Peer support program for obesity and muscle loss awareness in college students
This study tests whether a peer support program (using videos and messages) can help college students become more aware of obesity and muscle loss. It is for students at one university in central Taiwan who are slightly overweight or have higher body fat, and who are otherwise healthy.
TaichungAges 18–25 - NCT07107334RecruitingPhase 2
GLP-1 drug plus hormone IUD for early endometrial cancer in obesity
This trial tests if adding a GLP-1 weight-loss drug to a hormone-releasing IUD can help treat very early endometrial cancer or a precancerous condition in women with obesity. The goal is to see if this combination is effective without surgery.
Gainesville, FloridaAges 18 years+ - NCT07107321Enrolling by invitation
Changing feeding habits in preschools
This study helps preschools improve how they feed children ages 3 to 5, testing new strategies to replace unhealthy practices with better ones.
Little Rock, ArkansasAges 3 years+ - NCT07106879Recruiting
Pre-screening for future metabolic and psychiatric studies
This study does not test a new treatment. It is a pre-screening program to see if you might qualify for future clinical trials on metabolic conditions (like diabetes or weight issues) or psychiatric health (like depression or anxiety). You will be asked some questions and may do some basic health checks to see which future trials could be a good fit for you.
Brooklyn, New YorkAges 18 years+ - NCT07114419RecruitingPhase 2
New weekly injection for weight loss in overweight or obesity
This study tests a new weekly injection, efsubaglutide alfa (a GLP-1 drug), for helping people with overweight or obesity lose weight. It is for people who have not been able to lose weight with diet and exercise alone and do not have other serious health conditions.
BrookvaleAges 18–75 - NCT07111026Recruiting
Heart health program for farmworker women
This study tests whether community health workers can help farmworker women improve their heart health. It may be a good fit if you work in farming and want to learn how to take better care of your heart.
Ellenton, GeorgiaAges 18–50 - NCT07096011Recruiting
Studying obesity risks in young infants
This study looks at very young babies to understand early signs of obesity risk. If your baby is under 4 months old and mainly drinks breastmilk, they may help researchers learn more about how body growth and feeding relate to health later in life.
Baton Rouge, LouisianaAges 2 weeks–4 months - NCT07097506RecruitingPhase 2
Ketone drink for liver fat and health
This study tests whether a daily ketone ester drink can reduce liver fat and improve metabolism in people with excess liver fat. You may join if you are 18–40, have overweight or obesity, and your liver has extra fat.
St Louis, MissouriAges 18–40 - NCT07098780RecruitingPhase 4
Tranexamic Acid to Prevent Bleeding in Weight Loss Surgery
This trial tests whether a medicine called tranexamic acid (TXA) can reduce bleeding during weight loss surgery. If you are having a sleeve gastrectomy or mini-gastric bypass, taking TXA may lower your risk of hemorrhagic events.
Karachi, SindhAges 18–60 - NCT07091032Recruiting
Building connections for better health
This study tests if helping people address obesity, cancer screenings, or mental health struggles can improve their overall health. You may qualify if you have obesity, are behind on colon or cervical cancer screening, or have depression or anxiety.
Boston, MassachusettsAges 18–75 - NCT07085923Recruiting
Heart health study for people with mental illness
This study tests a program to improve heart health in people with schizophrenia or bipolar disorder who take antipsychotic medication or lithium and have a high body weight. The goal is to help reduce heart disease risk.
OsloAges 25–70 - NCT07094568Recruiting
Comparing tirzepatide and liraglutide for bone health in severe obesity
This study compares two medicines, tirzepatide and liraglutide, to see how they affect bone health in people with severe obesity. If you have a high BMI and no major health problems, this trial could help doctors understand which treatment is better for your bones.
Athens, AtticaAges 30–65 - NCT07095166Recruiting
Studying eating habits in healthy kids ages 6-9
This study looks at how and when children eat. It uses a special scan and asks parents about their child's mealtimes to learn about healthy eating patterns.
State College, PennsylvaniaAges 6–9 - NCT07086989Recruiting
Heart health study for kids with chronic conditions
This study looks at heart disease risk in children and young adults (ages 6-25) with long-term health conditions like certain heart, kidney, or diabetes disorders. The goal is to better understand and manage heart risks early.
BudapestAges 6–25 - NCT07092228Recruiting
Virtual reality and plyometrics for teen girls with PCOS
This trial tests whether combining virtual reality with jump-training (plyometrics) helps teenage girls with PCOS improve their exercise ability. It aims to find a fun and effective way to get active.
IsmailiaAges 13–18 - NCT07095543Recruiting
Plant-based weight loss through online program
This study tests an online weight loss program based on a plant-based diet. You may be able to join if you live in the U.S., are overweight, can travel to Washington DC for a body scan, and are not using weight loss medications.
Washington D.C., District of ColumbiaAges 18 years+
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Common questions
- Are there clinical trials for obesity?
- Yes. Clin2 currently lists 1,434 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.