Overweight and Obesity Clinical Trials

99 recruitingLast updated: June 18, 2026

There are 99 actively recruiting overweight and obesity clinical trials across 27 countries. Studies span Not Applicable, Phase 2, Phase 1, Phase 3, Early Phase 1, Phase 4. Top locations include Baltimore, Maryland, United States, Aurora, Colorado, United States, Athens, Georgia, United States. Updated daily from ClinicalTrials.gov.


Overweight and Obesity Trials at a Glance

99 actively recruiting trials for overweight and obesity are listed on ClinicalTrialsFinder across 6 cities in 27 countries. The largest study group is Not Applicable with 67 trials, with the heaviest enrollment activity in Baltimore, Aurora, and Athens. Lead sponsors running overweight and obesity studies include University of Colorado, Denver, University of Georgia, and Johns Hopkins University.

Browse overweight and obesity trials by phase

Treatments under study

About Overweight and Obesity Clinical Trials

Looking for clinical trials for Overweight and Obesity? There are currently 102 studies actively recruiting participants. Clinical trials offer access to new treatments before they are widely available, and every approved therapy in use today was first tested through a clinical trial.

Below you can browse trials, sign up for alerts when new Overweight and Obesity trials open, and view eligibility criteria for each study. Each listing includes the study phase, locations, and enrollment details.

Frequently Asked Questions

Common questions about Overweight and Obesity clinical trials

A clinical trial is a carefully designed research study that tests new medical treatments, drugs, devices, or approaches in human volunteers. Every approved medication and treatment available today was proven safe and effective through clinical trials.

All clinical trials are reviewed and approved by Institutional Review Boards (IRBs) — independent committees that evaluate patient safety. Trials follow strict protocols, and your health is monitored closely throughout. You can withdraw at any time.

Not necessarily. Many trials compare the new treatment against the current standard of care, meaning all participants receive active treatment. When placebos are used, they are typically combined with standard treatment, not given alone. The trial description will always specify the design.

Under the Affordable Care Act, most private insurers are required to cover routine patient care costs during a clinical trial. The sponsor typically covers the investigational treatment itself. Medicare also covers routine costs for qualifying trials.

Yes. Participation is completely voluntary. You can withdraw at any time, for any reason, without it affecting your access to standard medical care.

Each trial has specific eligibility criteria — including age, diagnosis, disease stage, prior treatments, and general health. Browse the trials listed above and check their eligibility sections. You can also contact the trial site directly to discuss your situation.

Showing 120 of 99 trials

Recruiting

Validity and Reliability of Mixed Reality-Based Performance Tests in Overweight and Obese Adults

Overweight and Obesity
Selcuk University119 enrolled1 locationNCT07654439
Recruiting
Not Applicable

Healthy for Two-Home Visiting (H42-HV): Health Coaching for Pregnant Women

Overweight and ObesityBehavior, HealthPregnancy weight gain+1 more
Johns Hopkins University360 enrolled1 locationNCT05619705
Recruiting
Phase 2Phase 3

Weight Management Plus LNG-IUS/Megestrol Acetate in Endometrial Atypical Hyperplasia

Overweight and ObesityAtypical Endometrial HyperplasiaFertility Issues
Xiaojun Chen172 enrolled1 locationNCT05316493
Recruiting
Not Applicable

Pregnancy Exercise Mode Effect on Childhood Obesity

PregnancyOverweight and Obesity
East Carolina University300 enrolled1 locationNCT04805502
Recruiting
Phase 1Phase 2

A Phase 1/2a Study of WVE-007 in Adults Living With Overweight or Obesity

Overweight and Obesity
Wave Life Sciences USA, Inc.296 enrolled6 locationsNCT06842186
Recruiting
Phase 1Phase 2

A Trial to Learn How Safe AZD9550 Monotherapy and Combined With AZD6234 is in People With or Without Type 2 Diabetes Who Are Living With Obesity and Overweight

Overweight and Obesity
AstraZeneca160 enrolled15 locationsNCT06151964
Recruiting

Prognostic Value of SII and SIRI in Obesity-Related Metabolic Complications

Metabolic SyndromeInflammationOverweight and Obesity
University of Rijeka200 enrolled1 locationNCT07431593
Recruiting
Early Phase 1

ABUNDANCE of A NATURAL ODOUR in HUMAN CEREBROSPINAL FLUID AFTER OLFACTORY EXPOSURE - the OLFO-Brain Study

Overweight and Obesity
University Hospital, Basel, Switzerland32 enrolled2 locationsNCT06370845
Recruiting
Not Applicable

Effects of Physical Exercise and a Nutritional Supplement on Body Composition, Metabolic Function, and Overall Health in Adults With a Metabolically Challenging Profile

ExerciseSupplementationAging+1 more
University of Valencia70 enrolled1 locationNCT07504068
Recruiting
Not Applicable

WB-EMS Effects on Cardiometabolic Risk Factors

Metabolic SyndromeHypertensionOverweight and Obesity+2 more
University of Erlangen-Nürnberg Medical School42 enrolled2 locationsNCT07406191
Recruiting
Phase 1

Human Models of Selective Insulin Resistance: Alpelisib, Part I

Insulin ResistanceNon-Alcoholic Fatty Liver DiseaseOverweight and Obesity+1 more
Columbia University32 enrolled1 locationNCT06354088
Recruiting
Not Applicable

Testing the Adipose Expandability Hypothesis In Vivo During Overfeeding

Metabolic SyndromeOverweight and Obesity
Pennington Biomedical Research Center58 enrolled1 locationNCT04583514
Recruiting

Lille Study for Childhood Health Promotion

Overweight and ObesityOverweight, ChildhoodOverweight, Infant
University Hospital, Lille460 enrolled1 locationNCT05121090
Recruiting
Not Applicable

Health Outcomes in C-Section Infants With Fecal Microbiota Transplantation

Fecal Microbiota TransplantationOverweight and ObesityCesarean Section
Oulu University Hospital534 enrolled1 locationNCT06282952
Recruiting
Not Applicable

Role of Microvascular Insulin Resistance and Cardiorespiratory Fitness Diabetes

Type 2 DiabetesOverweight and Obesity
University of Colorado, Denver150 enrolled2 locationsNCT04791371
Recruiting
Phase 1

Understanding the Health Effect of a Bioactive Peptide From Egg: A Pilot Study

High Blood SugarOverweight and ObesityHigh Blood Pressure
University of Alberta28 enrolled1 locationNCT06555393
Recruiting
Not Applicable

'Ai Pono Cooking Demonstrations

HypertensionType 2 DiabetesOverweight and Obesity+1 more
University of Hawaii1,780 enrolled2 locationsNCT06526650
Recruiting
Not Applicable

PILI 'Āina Household

HypertensionType 2 DiabetesOverweight and Obesity+1 more
University of Hawaii210 enrolled2 locationsNCT06526273
Recruiting
Not Applicable

Effect of a Postbiotic Supplementation in Overweight and Obese Subjects: A Randomized Controlled Trial (PARABIOTICS-2).

Weight LossNutrition, HealthyOverweight and Obesity
Clinica Universidad de Navarra, Universidad de Navarra114 enrolled1 locationNCT07165431
Recruiting
Not Applicable

Nutrition Care in Patients Living With Chronic Pain

Pain, ChronicOverweight and ObesityMobile Phone Use+1 more
Linkoeping University200 enrolled1 locationNCT06277232