Clinical trials
Overweight or Obesity clinical trials
Below are recruiting overweight or obesity clinical trials, each written for real people, not researchers. We’re tracking 1,536 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07247084RecruitingPhase 4
Tirzepatide for weight loss in adults with obesity
This trial tests if tirzepatide is more effective than standard obesity treatments for adults who have a BMI between 30 and 35 and one weight-related health condition, but do not have diabetes. The goal is to help you lose weight.
AltrinchamAges 18 years+ - NCT07037459RecruitingPhase 3
A study of a new drug for heart failure with obesity
This trial tests a medication called maridebart cafraglutide for people with heart failure (where the heart doesn't pump as well as it should) and obesity. The goal is to see if it can help improve symptoms and outcomes.
Birmingham, AlabamaAges 18–99 - NCT07315659Recruiting
Time-restricted eating for weight loss maintenance in obesity
This study tests whether eating only during a set window of hours each day can help people with obesity keep weight off after losing it. You would follow a specific meal schedule and get all your food provided for a period.
Granada, GranadaAges 18–70 - NCT07332273RecruitingPhase 3
Levothyroxine for weight loss in obesity
This trial tests whether adding levothyroxine (a thyroid hormone) to a low-calorie diet helps people with obesity lose more weight. It is for adults aged 25-60 with a BMI of 30-39.9 who have either mild underactive thyroid or normal thyroid but higher thyroid hormone levels in the normal range.
CadizAges 25–60 - NCT07373834Recruiting
Tirzepatide and muscle health in women with obesity
This study tests whether tirzepatide, a medication for weight management, affects muscle health in women with obesity. It may help if you are looking for a treatment that preserves muscle while losing weight.
LjubljanaAges 18–50 - NCT07387094RecruitingPhase 3
A study of XW003 for obesity with sleep apnea (no CPAP)
This trial tests an investigational weekly injection called XW003 for weight loss in people who have obesity and moderate-to-severe sleep apnea but do not use a CPAP machine. It aims to see if the drug can help with weight loss and improve sleep apnea without the need for a breathing machine.
Beijing, Beijing MunicipalityAges 18–75 - NCT07392905Recruiting
How the brain and body respond to food in obesity
This study looks at how your brain and body respond to food based on your weight. You'll eat a standard meal and have brain scans (MRI) to see how your brain reacts.
Nanjing, JiangsuAges 18–40 - NCT07396896Recruiting
A study on brain tumors and weight gain after treatment
This trial tests a diet therapy for young people who have gained a lot of weight after treatment for a certain type of brain tumor. The goal is to see if the diet can help manage obesity related to the tumor or its treatment.
Florence, FlorenceAges 7–30 - NCT01998750Recruiting
Study of genes in severe early childhood obesity
This study looks for genetic (inherited) reasons for severe obesity that starts in very early childhood. It may help doctors better understand the cause of your child’s weight gain and guide future treatment.
Boston, MassachusettsAges Up to 80 years - NCT01515904Recruiting
Test of a teen obesity program team approach
This study evaluates the SickKids Team Obesity Management Program (STOMP) for teens with obesity. It looks to see how well this structured program and team support can help compared with typical participation.
Toronto, OntarioAges 12–18 - NCT01129297Recruiting
Severe obesity tissue study during surgery
This study collects small tissue samples during certain abdominal surgeries to better understand what drives severe obesity and related blood-sugar patterns. If you agree to the extra sampling, your information and samples may help researchers build a “biological atlas” that could guide future treatments.
Lille, NordAges 18–65 - NCT01084967Recruiting
Study genes behind obesity in young people from East China
This study looks at how genes may contribute to obesity in young people living in East China. If you meet the weight and background criteria and can consent, you may be able to help researchers learn more and improve care for obesity.
Shanghai, Shanghai MunicipalityAges 14–30 - NCT01344525Recruiting
Study of team-based therapy for obesity and weight loss
This study looks at an interdisciplinary, team-based obesity treatment plan and how well it helps people lose significant weight over time. You might be a candidate if you are an adult with obesity who already achieved more than 10% weight loss within about 6 months from a lifestyle program or weight-loss surgery.
HeidelbergAges 18–65 - NCT02583646Recruiting
Study how weight affects puberty in girls
This study looks at how a girl’s body weight may affect the start and development of puberty. It may help researchers understand what influences puberty timing and development in girls who are not yet having periods.
Research Triangle Park, North CarolinaAges 8–14 - NCT02602769Recruiting
Testing blood traits in children with ROHHAD syndrome
This trial studies children with ROHHAD syndrome to better understand their body chemistry and other blood features. The results may help researchers learn what drives the condition and how it might be tracked over time.
Boston, New YorkAges 2–20 - NCT02674230Recruiting
Obesity and body clock registry for healthy aging
This study is a registry that collects health information to better understand how weight and your body’s daily rhythm may affect healthy aging. It may help researchers identify patterns linked to aging and future health risks.
TaoyuanAges 20 years+ - NCT02902198Recruiting
Study of taste changes before and after bariatric surgery
This study looks at how your sense of taste works before and after bariatric weight-loss surgery. It may help doctors understand why eating patterns change after surgery.
BaselAges 18–55 - NCT03215836Recruiting
Study obesity and metabolism in adults with asthma
This study looks at how weight and blood-sugar/fat changes in the body may affect the airways in people with asthma. You may be asked to complete breathing tests and possibly an airway procedure (bronchoscopy) to help researchers compare groups.
Aurora, ColoradoAges 18–65 - NCT03296605Enrolling by invitation
Study of obesity treatment after bariatric or belly surgery
This trial looks at obesity care in people who have already had bariatric (weight-loss) surgery or certain abdominal surgery. It may help researchers understand what treatments or follow-up care could work best for you after surgery.
Nanjing, JiangsuAges 18–75 - NCT01267591Recruiting
Check blood-flow pressure in teens with diabetes or obesity
This study uses a special noninvasive test to measure blood-flow pressure in children and teens. It aims to see how these measurements differ in teens with type 1 diabetes and in teens with obesity, which may help improve understanding and care.
LeuvenAges 12–19 - NCT07429136Recruiting
Plant-based diet study for weight loss in older adults with obesity
This study tests whether a plant-based, protein-rich diet can help adults aged 55 and older with obesity lose weight. It is designed to see if this diet is both safe and effective for this group.
Amsterdam, South HollandAges 55 years+ - NCT07434050RecruitingPhase 3
Study of XW003 for obesity with sleep apnea on CPAP therapy
This trial tests an investigational drug called XW003 to see if it helps people with obesity and obstructive sleep apnea who are already using a positive airway pressure (PAP) machine, like CPAP. It aims to improve weight loss and sleep apnea symptoms.
Shanghai, Shanghai MunicipalityAges 18–75 - NCT07437430Recruiting
Study on food additives and weight in adults with obesity
This study looks at how certain food additives might affect weight. If you have obesity, you may be able to join to help understand how these additives play a role.
Hamilton, OntarioAges 20–80 - NCT07447440Recruiting
Study on natural fats linked to obesity-related diseases
This trial explores how certain natural fats in the body might affect diseases linked to obesity, such as breast cancer. It aims to see if these fats can reduce inflammation and improve health.
Pamplona, NavarreAges Any age
Hear when a new Overweight or Obesity 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 overweight or obesity?
- Yes. Clin2 currently lists 1,536 recruiting overweight or 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 overweight or 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 overweight or 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.