Clinical trials
Overweight or Obese Adults clinical trials
Below are recruiting overweight or obese adults clinical trials, each written for real people, not researchers. We’re tracking 800 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06323070Recruiting
Watermelon vs. low-fat cookies for wellness
This trial compares eating watermelon or low-fat cookies to see how they affect your overall wellness. It will help determine if one snack is better for your health.
San Diego, CaliforniaAges 18–50 - 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+ - 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 - 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 - 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 - 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 - NCT06105957Recruiting
Digital weight loss program for rural adults
This study tests a digital weight loss program designed for adults living in rural areas. It uses a smartphone app, website, and video group sessions to help you lose weight through diet and physical activity.
Columbia, South CarolinaAges 18 years+ - NCT06069622Recruiting
How a gene affects weight-loss treatment response
This study looks at how a weight-loss medication affects people with obesity who may have a specific gene difference (caveolin-1). It aims to understand why some people respond differently to GLP-1 treatments like semaglutide.
Boston, MassachusettsAges 18 years+ - NCT06044935Recruiting
Nicotinamide riboside for fat burning and metabolism
This study tests whether a supplement called nicotinamide riboside (a form of vitamin B3) helps the body burn fat more efficiently during exercise. It may be a good option if you are overweight or have a specific type of diabetes (MODY2) and want to see if a natural supplement can boost your metabolism.
Bethesda, MarylandAges 18–65 - NCT06044571Recruiting
Weight loss program for older adults via telehealth
This trial tests a weight loss program delivered through video calls to help adults aged 65-85 with obesity lose weight. It is designed for those with at least two other health conditions and who are ready to make changes.
Chapel Hill, North CarolinaAges 65–85 - NCT06009276Recruiting
Gut bacteria, muscle blood flow, and fitness study
This study looks at how the bacteria in your gut affect blood flow to your muscles and your overall fitness. You will provide samples and do some exercise tests to help researchers understand this link.
Charlottesville, VirginiaAges 18 years+ - NCT05943626Recruiting
Sleep timing changes to improve heart and blood sugar health
This study tests whether changing your sleep habits can improve heart-related health and blood sugar control. You may be asked to follow a sleep schedule and other routines, and outcomes will be measured over time.
Salt Lake City, UtahAges 18–45 - NCT05872022Enrolling by invitation
Safety study of Wegovy exposure during pregnancy
This study tracks the safety of taking Wegovy during pregnancy. Researchers want to understand potential risks and outcomes when people are exposed to Wegovy in early or any stage of pregnancy.
Princeton, New JerseyAges 15–50 - NCT05826379Enrolling by invitation
Daily goal setting to boost movement and brain health
This trial tests whether a daily goal-setting program and activity tracking can increase everyday physical activity and support thinking/brain health in midlife. You may be asked to wear devices and meet activity-monitoring requirements during the study.
Hershey, PennsylvaniaAges 30–70 - NCT05819853RecruitingPhase 3
Semaglutide to help restart periods in PCOS
This Phase 3 study tests whether semaglutide can help people with polycystic ovary syndrome (PCOS) start ovulating and having more regular periods. You may join with or without metformin, and contraception rules are important because the medicine must not be used during pregnancy.
Aurora, ColoradoAges 12–35 - NCT05807594Recruiting
Online program to help manage weight gain during pregnancy
This trial tests an at-home (online) coaching program to help pregnant people gain weight at a healthier rate. It may help you stay on track during pregnancy and understand what changes work best for you.
University Park, PennsylvaniaAges 18–45 - NCT05811624Recruiting
Lifestyle program for weight and chronic low back pain
This trial studies whether a lifestyle change program (often diet and activity habits) can reduce long-lasting low back pain in overweight or obese adults. It also aims to see if people can keep their usual care while adding the lifestyle program.
BrusselsAges 18–65 - NCT05748158Recruiting
Study of why weight returns after behavioral weight loss
This study looks at what makes some people regain weight after losing weight in a behavioral weight loss program. You may help researchers understand the role of habits, metabolism, and energy use so better prevention strategies can be developed.
New York, New YorkAges 25–59 - NCT05744479RecruitingPhase 4
Metformin to reduce weight gain from antipsychotic medicines
This trial tests whether metformin can help adults with intellectual disability who gained weight from long-term antipsychotic medicines. If you qualify, you may be assigned metformin to improve weight and related health measures.
Toronto, OntarioAges 16–65 - NCT05706155Recruiting
Switching some animal protein to plant protein for Type 2 diabetes
This study tests whether replacing part of your animal protein with plant-based protein can improve Type 2 diabetes control. It may help your blood sugar and weight management without changing everything about your diet.
Porto Alegre, Rio Grande do SulAges 18–65 - NCT05681468Recruiting
Ketogenic diet trial for blood sugar and inflammation outcomes
This study compares two versions of a ketogenic (very low-carb) diet to see how they affect blood sugar control and inflammation. It may help people with overweight or obesity who have pre-diabetes-level blood sugar understand which fat sources work better.
Edmonton, AlbertaAges 18–70 - NCT05632406Recruiting
Breathing training to improve breathing and blood pressure
This study tests whether a breathing device training program can improve breathing and blood pressure. It may help people who have higher blood pressure and may feel out of breath, especially those who have weight-related breathing strain.
Tallahassee, FloridaAges 18–45 - NCT05619705Recruiting
Health coaching for pregnant women through home visits
This trial tests a structured health-coaching program delivered during home visits to help pregnant people improve health habits during pregnancy. It may help you with support like tracking weight and following a planned coaching routine.
Baltimore, MarylandAges 18 years+
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Common questions
- Are there clinical trials for overweight or obese adults?
- Yes. Clin2 currently lists 800 recruiting overweight or obese adults 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 obese adults 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 obese adults 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.