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Clinical Research Directory

Browse clinical research sites, groups, and studies.

30 clinical studies listed.

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Obese

Tundra lists 30 Obese clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.

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ACTIVE NOT RECRUITING

NCT07205900

Study to Evaluate HM15275 in Obese or Overweight Subjects Without Diabetes Mellitus

This Study is a Phase 2 Study to Evaluate Efficacy, Safety, and Tolerability of HM15275 for 36 Weeks in Obese or Overweight Subjects Without Diabetes Mellitus.

Gender: All

Ages: 18 Years - 75 Years

Updated: 2026-04-08

7 states

Obese
Obesity
NOT YET RECRUITING

NCT07479862

A Study of SA030 Injection in Overweight or Obese Participants

This study is the first time SA030 is being given to people. The goal is to understand how safe it is, how well it is tolerated, and how the body processes and responds to a single dose of SA030 in individuals who are overweight or obese. Over the last few decades, more and more people around the world have become overweight or obese, and the numbers keep rising in almost every country. From 1990 to 2021, this problem grew steadily and reached its highest point in 2021.

Gender: All

Ages: 18 Years - 55 Years

Updated: 2026-03-18

Obese
Overweight
ACTIVE NOT RECRUITING

NCT04175678

Project 1: Diet and Exercise Modulate the Sperm Epigenome in Men

This is a rigorous, controlled clinical trial designed to show that diet, exercise training, and their combination in overweight, inactive men will alter epigenetic programming to create a "healthy" sperm epigenome. Our central hypotheses are: i) overweight and inactive lifestyle results in epimutations in the sperm epigenome relative to the normal epigenetic programming in lean and active men and ii) diet and exercise modulation leads to reversal of these epimutations resulting in both a healthier "phenotype" and "epigenotype" which may persist after stopping the interventions. The study is divided into three parts: 1. We will recruit 20 healthy, active men and 20 obese and inactive Hispanic men between 18 and 40 years to determine the differences in sperm epigenome (DNA methylation, histone modifications and non-coding RNAs) in a cross-sectional study in obese inactive vs. healthy active Hispanic men. Only Hispanic men will be studied because of the high prevalence of obesity and inactivity in Hispanic younger men and to reduce the genetic variability influencing the epigenome. 2. 80 obese and inactive men will be randomized to 4 groups of 20 men: 1) No intervention (control); 2) Low fat, low caloric diet; 3) Supervised, periodized endurance and resistance training without modification of diet; and 4) Both exercise and diet modification to characterize the plasticity of the sperm epigenome in response to 12-week diet and/or exercise training interventions in obese and inactive Hispanic men. Sperm epimutations will be compared before and after intervention within each group and between groups. 3. The sperm epigenome studies in 80 men randomized to no intervention or diet and/or exercise training will be repeated at 12 and 36 weeks after cessation of interventions to Identify the persistent effects of diet and exercise training on the sperm epigenome after stopping the interventions.

Gender: MALE

Ages: 18 Years - 40 Years

Updated: 2026-03-10

1 state

Healthy Lifestyle
Obese
Men
RECRUITING

NCT06200961

Trans-nasal Endoscopy for Bariatric Patients

This study plans to learn if the EvoEndo Endoscopy system can be used to evaluate, provide and follow up care for upper gastrointestinal tract diseases in the bariatric population. The smallest current scope available for such a technique is an adult transnasal endoscope with a larger diameter, a pulmonary bronchoscope or Ear Nose and Throat (ENT) laryngoscope. This study is evaluating a newly Food and Drug Administration (FDA) cleared ultra-slim, single-use, endoscope specifically designed for transnasal endoscopy to evaluate its use in adult upper tract gastrointestinal diseases. If such a technique is successful it could improve the safety, cost, and access of endoscopic care for patients in need of an endoscopic evaluation for a bariatric medical condition.

Gender: All

Ages: 18 Years - 90 Years

Updated: 2026-03-02

1 state

Obesity
Obesity, Morbid
Obese
+2
RECRUITING

NCT07219589

A Single Ascending Dose Study of HM17321 in Healthy Adult Participants

This is a Phase 1 study to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of HM17321 after single ascending doses in healthy adult participants.

Gender: All

Ages: 18 Years - 65 Years

Updated: 2026-02-25

1 state

Obesity
Obese
NOT YET RECRUITING

NCT07411560

A Study Looking at How Weekly Injections of Two Hormones - GIP and Amylin - Affect Stomach-related Side Effects in People Who Are Overweight or Obese

This trial is being done to look at the safety and effect of combining cagrilintide and NNC0480-0389 in people living with overweight and obesity compared to taking cagrilintide alone. In one period participants will get two medicines: cagrilintide and NNC0480-0389. In the other period, participants will get cagrilintide together with a placebo version of NNC0480-0389.The placebo looks like the real treatment but does not have any active medicine in it. Cagrilintide and NNC0480-0389 is a new medicine being tested to help people with type 2 diabetes and/or overweight or obesity. The trial medicines is not yet approved for use outside of clinical trials. Participants will receive the trial medicines the way the trial doctor has described. The study will last for about 4.5 months.

Gender: FEMALE

Ages: 18 Years - 64 Years

Updated: 2026-02-17

1 state

Overweight
Obese
RECRUITING

NCT07400588

Aleniglipron Phase 2 in Type 2 Diabetes Mellitus

The purpose of this study is to assess the safety and tolerability of aleniglipron at doses up to 240 mg once daily (QD) in participants with T2DM who are living with obesity (body mass index \[BMI\] ≥ 30 kg/m2) or overweight (BMI ≥ 27 kg/m2).

Gender: All

Ages: 18 Years - 79 Years

Updated: 2026-02-10

7 states

Obese
Obesity
Obesity Type 2 Diabetes Mellitus
+1
ACTIVE NOT RECRUITING

NCT04149288

Olive Oil Polyphenols and Cardiovascular Health Biomarkers

The purpose of this research is to investigate whether consuming two different kinds of olive oil will change risk factors related to cardiovascular disease, including levels of good and bad cholesterol, levels of inflammation, and levels of gene expression.

Gender: All

Ages: 20 Years - 45 Years

Updated: 2026-01-29

1 state

Healthy
Normal Weight
Overweight
+1
NOT YET RECRUITING

NCT07363148

A Clinical Trial to Investigate the Safety and Efficacy of MB-1 on Metabolic Health in Overweight and Obese Adults

The goal of this clinical trial is to investigate the safety and efficacy of MB-1 on metabolic health in overweight and obese adults. The main question it aims to answer is: What is the difference in change in body weight and body mass index (BMI) from baseline at Day 84 between MB-1 and placebo? Participants will be provided MB-1 or placebo and be assessed for anthropometric measurements, blood pressure, heart rate, and asked to complete appetite and satiety questionnaires and undergo a DEXA scan.

Gender: All

Ages: 18 Years - 65 Years

Updated: 2026-01-26

1 state

Obese
Overweight Adults
Obese Adults
+2
RECRUITING

NCT05770570

Taxi ROADmAP (Realizing Optimization Around Diet And Physical Activity)

The researchers will conduct 'Taxi ROADmAP (Realizing Optimization Around Diet And Physical activity)', which also utilizes MOST, and the same 4 obesity intervention components as in SANOS, but targets the overweight/obesity crisis in another at-risk, low socioeconomic status (SES) population, taxi and for-hire vehicle (FHV) drivers (Lyft, Uber, etc.). ROADMAP also utilizes an effectiveness- implementation hybrid type 1 design. Hybrid trials, which blend effectiveness and implementation studies, can lead to more rapid translational uptake and more effective implementation. Taxi and FHV drivers are a growing, multilingual, hard-to-reach, predominantly immigrant and minority essential worker population. There are over 750,000 licensed taxi and FHV drivers in in the U.S. and over 185,000 in New York City (NYC). They have higher rates of overweight/obese range body mass index (BMI) than New Yorkers in general (77% vs 56%) and have high rates of elevated waist circumference, sedentary behavior, poor diets, and health care services underutilization. ROADmAP will test 4 evidence- and theory-based (Social Cognitive Theory \[SCT\]) behavior change intervention components. We will use MOST to identify which of the 4 components contribute most significantly and cost-effectively to weight loss among NYC drivers recruited at workplace health fairs (HFs) and virtually. Objectives are to apply MOST to design an optimized version of a scalable, lifestyle intervention for taxi/FHV drivers, and then to conduct a mixed methods multistakeholder process evaluation to facilitate widespread intervention implementation.

Gender: All

Ages: 21 Years - Any

Updated: 2026-01-26

1 state

Overweight
Overweight and Obesity
Overweight or Obesity
+2
ACTIVE NOT RECRUITING

NCT03386396

Brain Fuel - Morning Nutrition and Cognitive Function

This study will help us learn more about how what a child eats can affect how their brain works.

Gender: All

Ages: 9 Years - 10 Years

Updated: 2025-10-20

1 state

Obese
Healthy
ENROLLING BY INVITATION

NCT05408728

Dietary Sugar Absorptive Phenotype for Prediction of Weight Loss Outcome

This study is trying to determine whether the success of bariatric surgery can be predicted by evaluating the dietary sugar absorptive characteristics in the small intestine and if there is any gene expression change on the dietary sugar absorptive characteristics.

Gender: All

Ages: 18 Years - Any

Updated: 2025-09-10

1 state

Obese
Healthy
Bariatric Surgery Candidate
RECRUITING

NCT05857150

Exercise Response in Humans With Obesity

This study is being done to understand how chronic inflammation affects muscle function and responses to exercise.

Gender: All

Ages: 20 Years - 45 Years

Updated: 2025-08-29

1 state

Obese
RECRUITING

NCT05819853

Role of Semaglutide in Restoring Ovulation in Youth and Adults With Polycystic Ovary Syndrome

Girls and women 12-35 years old with obesity and polycystic ovarian syndrome who are on or off metformin, will receive a glucagon like peptide-1 receptor agonist intervention for 10 months to induce metabolic changes, weight loss and improve reproductive abnormalities.

Gender: FEMALE

Ages: 12 Years - 35 Years

Updated: 2025-08-28

1 state

PCOS (Polycystic Ovary Syndrome) of Bilateral Ovaries
Obese
RECRUITING

NCT05316467

Weight Management Plus Megestrol Acetate in Early-stage Endometrioid Carcinoma

To investigate the efficacy of weight management plus megestrol acetate in obese patients with early endometrioid carcinoma(EEC)asking for fertility-sparing treatment

Gender: FEMALE

Ages: 18 Years - 45 Years

Updated: 2025-08-11

1 state

Endometrial Carcinoma
Obese
Overweight
+1
RECRUITING

NCT01736748

Dynamo: a Tailored Lifestyle Promotion Intervention Among Pediatric Patients With Cardiometabolic Risk Factors

The Dyn@mo lifestyle intervention (CHU Sainte-Justine, Quebec, Canada) targets children and adolescents aged 6 to 17 years old with cardiometabolic risk factors, such as obesity, hypertension, disorders in glucose regulation or dyslipidemia. Its primary goal is to promote physical activity and reduce sedentary time to improve childrens' cardiometabolic profile. To do so, the intervention relies on gathering data on mobility and physical activity using wearable sensors. These data provide a detailed picture of real-life conditions and physical activity levels, improving the health care professional's ability to tailor counseling. The investigators are presently in the implementation phase of this intervention.

Gender: All

Ages: 6 Years - 18 Years

Updated: 2025-05-25

1 state

Obese
RECRUITING

NCT04255264

Adipose Inflammation and Diabetes (FAB)

The study investigates whether the addition of resolution molecules can inhibit inflammation and insulin resistance in human tissue taken from obese individuals, and whether the results of these studies correlate with patient-specific resolution phenotypes.

Gender: All

Ages: 18 Years - 60 Years

Updated: 2025-05-06

1 state

Obese
NOT YET RECRUITING

NCT06943651

Empowering Healthy Lifestyle Behavior to Prevent and Control Obesity in Young Adults

This human study will be a pilot trial that will precede a planned more long-term intervention trial. It will focus on young adults (age 18 to 25 y). The main purpose is to study whether the healthy lifestyle recommender solution, reflecting a multi-portfolio intervention and developed within this project, is well accepted by the participants, has a decent adherence (i.e. user time of the app), and whether the overall design is well suited to the participants, in order that they will improve dietary habits. This study will be of longitudinal design without a control group. At present, numbers of persons with overweight and obesity continue to grow in most countries worldwide. Young adults are at risk since in in this period of life most people start to be independent from their families, with the consequent decisions about their food and lifestyle choices. It is frequent that at this time an increase in irregularity of meals and unhealthy food choices, occurs, together with changes in physical activity habits and social or individual pressures. Because of this, it is essential to give tools to these individuals that will allow them to make healthy choices and to have healthy habits, since they will be the future adult population that will raise and inspire the next generation. As solutions to combat the trend toward increasing overweight and obesity are much in need, the present study aims to intervene with the developed healthy lifestyle recommender solution to address various factors known to constitute a risk for developing obesity, including socio-demographic aspects, psychological/behavioural ones, physical activity, dietary patterns, among other. Such a multi-dimensional portfolio approach is believed to be very much needed for the prevention of obesity and co-morbidities, and the personalization of the solution, as well as the nudging/gamification.

Gender: All

Ages: 18 Years - 25 Years

Updated: 2025-04-24

Obese
Overweight
ACTIVE NOT RECRUITING

NCT01399177

Influence of Changes in Food Group Variety on Food Cravings, Energy Intake, and Weight Loss After Bariatric Surgery

The purpose of this study is to find out if there is any change in diet on food cravings and weight loss in the 12 months following bariatric surgery.

Gender: All

Ages: 18 Years - 65 Years

Updated: 2025-04-03

1 state

Obese
ACTIVE NOT RECRUITING

NCT02125149

The Expecting Study

The purpose of the study is to determine how a mother's health and physical activity may influence her child's growth and development.

Gender: FEMALE

Ages: 18 Years - Any

Updated: 2025-02-14

1 state

Pregnancy
Obese
NOT YET RECRUITING

NCT06779383

Pilates Mat Exercises Training on Functional Performance in Middle Age Obese Women

• Aim of the study: This study will aim to investigate the effects of a 12-week Pilates-mat exercise program on the functional performance in middle age obese women. Materials and Methods: sixty obese women patients (ages 45-55 years old) with a body mass index (BMI) 30 -34.9 kg/m2.Women will be randomly assigned into experimental group(Pilates) or control group, (3 times/week, 60 min/session) their age from 45 to 55 yrs. The Pilates exercises were performed on mats. The functional performance on one-leg stance (OLS), five-times-sit-to-stand (STS) and 6-min walk (6 MW) tests was evaluated before and after the 12-week Pilates training or control follow-up period.

Gender: FEMALE

Ages: 45 Years - 55 Years

Updated: 2025-01-16

Obese
ACTIVE NOT RECRUITING

NCT03636243

Comparative Evaluation of the Evolution of Arterial and Microcirculatory Endothelial Function in Obese Patients With Type-2 Diabetes Versus Non-diabetic Obese Patients After a First Bariatric Surgery

The weight reduction obtained after a first bariatric surgery would improve the vascular (correction of endothelial dysfunction, improvement of arterial wall compliance and evolution of the atherothrombotic process) and microcirculatory function in obese patients with type-2 diabetes.

Gender: All

Ages: 18 Years - 70 Years

Updated: 2025-01-07

Bariatric Surgery
Obese
Type2 Diabetes
ACTIVE NOT RECRUITING

NCT06719466

Diet Intervention on Obesity Related Complication

Obesity has become a global epidemic, with more than 4 billion people expected to be overweight/obese by 2035, accounting for more than half of the world's population. Currently, there are sixteen recognized complications directly related to obesity, including gastroesophageal reflux disease. In recent years, people have increasingly paid attention to the damage caused by obesity to the stomach. In addition to gastroesophageal reflux disease, obesity also leads to various forms of gastric mucosal damage related diseases, such as gastric ulcers, chronic gastritis, intestinal metaplasia, and so on. This stuty aimed to observe the diet intervention on obesity related stomach.

Gender: All

Ages: 18 Years - 65 Years

Updated: 2024-12-05

Obese
Stomach Diseases
ACTIVE NOT RECRUITING

NCT05385978

A Study of Distal Jejunal-release Dextrose in Obese Participants

The primary purpose of the study is to evaluate the efficacy and safety of APHD-012 (distal jejunal-release dextrose \[Aphaia technology, AT\]) in obese participants.

Gender: All

Ages: 18 Years - 70 Years

Updated: 2024-10-16

Obese