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 807 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT03885245RecruitingPhase 2
L-citrulline supplement for overweight adults with later-onset asthma
This Phase 2 trial tests whether adding L-citrulline can improve asthma control in overweight adults whose asthma started later in life. It compares your asthma symptoms and lung testing results to see if the supplement helps when asthma is already being treated.
Durham, North CarolinaAges 18–65 - NCT03947697Recruiting
Electrical stimulation to help improve blood sugar control
This study tests whether electrical stimulation can improve blood sugar control in people who are overweight and not very active. It’s designed for people with low exercise habits and will compare how your blood sugar responds to the intervention.
El Paso, TexasAges 18 years+ - NCT04603859Recruiting
When to induce labor for people with higher weight
This study looks at the best timing to start labor (induction) during pregnancy for people with a higher body weight. It may help reduce risks by comparing earlier vs later induction in otherwise eligible pregnancies.
AarhusAges 18 years+ - NCT07702461Recruiting
Resistance training survey for people on weight loss meds
This trial is an online survey to understand how people taking GLP-1 medications (like Ozempic or Wegovy) are doing with resistance training. If you're an adult on a stable dose of a GLP-1 med for weight or diabetes, your input can help shape better exercise advice.
Columbus, OhioAges 18 years+ - NCT07703371Recruiting
Kodo millet porridge and its effect on gut health and metabolic syndrome
This study tests whether eating Kodo millet porridge every day for 12 weeks can improve gut health and reduce risk factors for metabolic syndrome (like being overweight). If you are between 20 and 60 years old, are overweight or obese, and are willing to eat the porridge daily without changing your diet or exercise, you may be able to join.
Mysore, KarnatakaAges 20–60 - NCT04453072Recruiting
iPhone weight-loss app for teens and young adults after transplant
This study tests whether an iPhone weight-management app can help adolescents and young adults lose weight after a stem cell transplant. If you qualify, you’ll use the app and the team will track changes in weight.
Los Angeles, CaliforniaAges 13–30 - NCT04496895Recruiting
Orange peel drink study for reducing body fat
This trial looks at whether a fermented orange peel product can lower body fat in adults. It may help if you have higher body fat and/or fatty liver, and you meet safety and health limits.
Taipei, TaiwanAges 20–65 - NCT04583514Recruiting
Overfeeding study to see how body fat can expand
This trial studies how your body’s fat tissue changes when you eat extra food for 8 weeks. It may help researchers understand why some people gain more weight than others.
Baton Rouge, LouisianaAges 18–42 - NCT04791371Recruiting
Study how fitness and insulin resistance relate to diabetes
This study looks at how low physical activity, insulin resistance in small blood vessels, and cardiorespiratory fitness connect to diabetes and blood sugar control. You may be eligible if you are generally sedentary and fit within the weight range, and if you do not have certain heart, lung, nerve, or medication factors.
Aurora, ColoradoAges 30–55 - NCT04873011RecruitingPhase 1
Quinine in overweight women to change hunger and gut hormones
This early study tests whether quinine affects hunger and digestion-related gut hormones in women who are mildly overweight. It may help researchers understand how the body controls appetite, but it is mainly to check effects and safety.
Leuven, Vlaams-BrabantAges 18–65 - NCT04907396Recruiting
Registry for adults trying to lose weight
This study is a registry that collects information from adults (18+) who are considering, currently working on, or have tried weight loss in the past. It may help researchers better understand weight-loss experiences and what strategies people use.
Birmingham, AlabamaAges 18 years+ - NCT06325722Recruiting
Low fat vs. low carb diet order and body fat change
This study compares how the order of low fat versus low carb diets affects body fat changes. It may help you understand which diet sequence works best for weight loss.
Bethesda, MarylandAges 18–50 - NCT04943926Recruiting
Diet changes to help put type 2 diabetes into remission
This study tests whether specific dietary strategies can help people with type 2 diabetes reach remission (better blood sugar without ongoing high medication needs). You may be a good candidate if your diabetes is relatively recent, your weight is above a certain threshold, and your heart and other health conditions are stable.
Bergen, VestlandAges 24–70 - NCT04949451Recruiting
Testing time-restricted eating for muscle and metabolism
This study looks at whether eating only during certain hours can improve muscle and metabolism in adults with higher body weight. You may be asked to follow a specific eating schedule and avoid things that could affect the results.
Fayetteville, ArkansasAges 25–50 - NCT05143931Recruiting
Avoid and resist habits to manage weight
This study looks at strategies to help people manage their weight by changing how they respond to food-related cues and habits. It tests whether these approaches can be used over time with regular, brief check-ins.
Los Angeles, CaliforniaAges 14 years+ - NCT05301413RecruitingPhase 2
Diabetes prevention program tailored for Black adults at risk
This Phase 2 study tests a diabetes-prevention program designed for Black/African American adults, focusing on social factors that can affect health and weight. It aims to help participants lower their chances of developing type 2 diabetes through structured education and tracking.
Kansas City, MissouriAges 18 years+ - NCT05309395RecruitingPhase 3
Food prescriptions to help Latino families eat affordably
This trial tests whether giving free/covered “food prescriptions” helps multigenerational Latino households lose weight by improving diet within a budget. It may help families who want to eat healthier without worrying as much about grocery costs.
Pasadena, CaliforniaAges 2 years+ - NCT05316493RecruitingPhase 2/Phase 3
Weight-loss and progesterone treatments for early uterine lining disease
This trial studies a weight-management approach plus a progesterone-releasing IUD (LNG-IUS) and megestrol to treat endometrial atypical hyperplasia, a high-risk precancer of the uterine lining. It may help shrink or control the abnormal cells while supporting fertility or keeping the uterus.
ShanghaiAges 18–45 - NCT05353504Recruiting
Testing how gut changes affect food choices
This study looks at whether interventions that change your gut bacteria can change how you decide what to eat. It may help researchers understand the gut–brain link behind eating behavior.
LeipzigAges 18–60 - NCT05530538Recruiting
Phone app program to help teens manage weight
This study tests a weight-management app (the BrainWeighve app) for teens. It looks at whether the app is workable and helpful for teens who are motivated to change weight habits.
Los Angeles, CaliforniaAges 14–21 - 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+ - 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 - 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 - 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
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Common questions
- Are there clinical trials for overweight or obese adults?
- Yes. Clin2 currently lists 807 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.