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Obesity clinical trials recruiting in the U.S.
480 studies for Obesity are recruiting participants at sites across the United States.
Read about the causes of obesity and find out what you can do to decrease your risk of its associated health issues.
Cities with the most studies
- Houston, TX43 studies
- Chicago, IL41 studies
- New York City, NY40 studies
- San Antonio, TX40 studies
- Washington, DC33 studies
- Orlando, FL31 studies
- Dallas, TX30 studies
- Boston, MA28 studies
- Las Vegas, NV27 studies
- Miami, FL27 studies
- Baltimore, MD25 studies
- Jacksonville, FL25 studies
- St. Louis, MO25 studies
- Atlanta, GA24 studies
- Birmingham, AL23 studies
- Los Angeles, CA23 studies
- Philadelphia, PA23 studies
- San Diego, CA23 studies
- Phoenix, AZ22 studies
- Aurora, CO21 studies
- Durham, NC20 studies
- Indianapolis, IN20 studies
- Austin, TX20 studies
- Cincinnati, OH19 studies
- Arlington, VA18 studies
- Salt Lake City, UT18 studies
- Concord, CA18 studies
- Nashville, TN17 studies
- Tucson, AZ17 studies
- Havelock, NC17 studies
- Louisville, KY17 studies
- Baton Rouge, LA16 studies
- Johns Creek, GA16 studies
- Charlotte, NC16 studies
- Wilmington, NC15 studies
- Columbus, OH15 studies
- Providence, RI14 studies
- Rochester, NY14 studies
- Seattle, WA13 studies
- Kansas City, KS13 studies
By state
- Alabama40 studies
- Arizona40 studies
- Arkansas13 studies
- California99 studies
- Colorado25 studies
- Connecticut22 studies
- District of Columbia12 studies
- Florida74 studies
- Georgia44 studies
- Hawaii13 studies
- Idaho21 studies
- Illinois56 studies
- Indiana24 studies
- Iowa9 studies
- Kansas32 studies
- Kentucky27 studies
- Louisiana33 studies
- Maine3 studies
- Maryland53 studies
- Massachusetts44 studies
- Michigan29 studies
- Minnesota29 studies
- Mississippi15 studies
- Missouri54 studies
- Montana9 studies
- Nebraska10 studies
- Nevada29 studies
- New Hampshire3 studies
- New Jersey20 studies
- New Mexico7 studies
- New York75 studies
- North Carolina60 studies
- North Dakota8 studies
- Ohio47 studies
- Oklahoma21 studies
- Oregon18 studies
- Pennsylvania48 studies
- Rhode Island19 studies
- South Carolina45 studies
- South Dakota6 studies
- Tennessee38 studies
- Texas81 studies
- Utah29 studies
- Virginia43 studies
- Washington31 studies
- West Virginia4 studies
- Wisconsin11 studies
Recently updated studies
Tirzepatide in Obesity-Driven Endometrial Cancer
RecruitingEarly phase 1
Ages 18 and older · Women · Updated Oct 2, 2026 · NCT07065552Level Up! (The Combined and Independent Effects of Exercise Training and Dietary Enhancement on Cardiometabolic Health in Adolescents With Obesity)
Recruiting
Ages 12 to 17 · All sexes · Updated Oct 2, 2026 · NCT06848478Safety and Efficacy of ABBV-295 in Adults With Obesity or Overweight With Weight-Related Comorbidities
RecruitingPhase 2
Ages 18 to 75 · All sexes · Updated Oct 2, 2026 · NCT07752979Heart Health Study in Washington D.C. to Develop a Community-Based Behavioral Weight Loss Intervention
RecruitingObservational studyHealthy volunteers welcomeMentions payment for participants
Ages 19 to 85 · All sexes · Updated Oct 2, 2026 · NCT01927783Tailoring Mobile Health Technology to Reduce Obesity and Improve Cardiovascular Health in Resource-Limited Neighborhood Environments
RecruitingHealthy volunteers welcome
Ages 21 to 75 · Women · Updated Oct 2, 2026 · NCT03288207Characterization of Patients With Uncommon Presentations and/or Uncommon Diseases Associated With the Cardiovascular System
RecruitingObservational studyHealthy volunteers welcome
Ages 1 to 100 · All sexes · Updated Oct 2, 2026 · NCT01143454Efficacy of mHealth Apps for Health in a Low-income, Type II Diabetic, Hispanic Population
RecruitingHealthy volunteers welcome
Ages 18 to 64 · All sexes · Updated Oct 2, 2026 · NCT05279729Effects of Pistachios on Postprandial Metabolic Responses in Adults With Overweight or Obesity
Recruiting
Ages 18 to 35 · All sexes · Updated Oct 2, 2026 · NCT07853898Efficacy of Using Mobile Health Applications for Health
RecruitingHealthy volunteers welcome
Ages 18 to 64 · All sexes · Updated Oct 2, 2026 · NCT05589155A Study to Evaluate Safety, Tolerability and Pharmacokinetics of Orally Administered TIX100 in Healthy Subjects
RecruitingPhase 1Healthy volunteers welcome
Ages 18 to 70 · All sexes · Updated Oct 2, 2026 · NCT07675590Hydration Intervention to Decrease Side Effects Associated With GLP - 1 RA Therapy
Recruiting
Ages 18 to 60 · All sexes · Updated Oct 2, 2026 · NCT07641361New Heart Imaging Techniques to Evaluate Possible Heart Disease
RecruitingHealthy volunteers welcome
Ages 18 to 100 · All sexes · Updated Oct 2, 2026 · NCT01399385Comparing the Efficacy and Safety of the EndoZip System and Apollo ESG in Obese Patients
Recruiting
Ages 21 to 65 · All sexes · Updated Oct 1, 2026 · NCT07090005Partnership to Reduce Obesity in Community Health Center Patients (SMARTLife Utah)
Recruiting
Ages 18 and older · All sexes · Updated Oct 1, 2026 · NCT07582016A Study to Evaluate the Impact of Renal Impairment on the Pharmacokinetics (PK) of Ribupatide
RecruitingPhase 1Healthy volunteers welcome
Ages 18 to 85 · All sexes · Updated Oct 1, 2026 · NCT07793929A Study of Clazakizumab (LY5724886) in Adults With Elevated hsCRP and at Increased Risk for Cardiovascular Event
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Sep 30, 2026 · NCT07783802Spinal Cord Injury Model Systems (SCIMS) - Education Module
Recruiting
Ages 18 to 70 · All sexes · Updated Sep 30, 2026 · NCT06003686Two-Week Stair-Climbing Exercise Snacks and Metabolic Health in Adults With Overweight or Obesity: A Pilot Study
RecruitingHealthy volunteers welcome
Ages 18 to 35 · All sexes · Updated Sep 30, 2026 · NCT07849439AMAZE 2: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Type 2 Diabetes Lose Weight
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 30, 2026 · NCT07533175A Research Study to Look at How Two Different Doses of CagriSema and One Dose of Semaglutide Help People Living With Obesity With or Without Type 2 Diabetes Lose Weight
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 30, 2026 · NCT07564414A Research Study on How Well Cagrilintide and CagriSema Work in Children and Adolescents With Excess Body Weight
RecruitingPhase 3
Ages 8 to 18 · All sexes · Updated Sep 30, 2026 · NCT07253285FAMily-centered WEight Loss for Black Adults (FAM WEL B-ing)
Recruiting
Ages 18 to 75 · All sexes · Updated Sep 29, 2026 · NCT06724406A Study to Learn About the Monthly Dosing Study Medicine Called Berobenatide in Adults With Breathing Problems During Sleep and Overweight or Obesity Who Use a Breathing Machine (PAP) (VESPER-OSA 1)
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 29, 2026 · NCT07823608Study of Olatorepatide in Adult Participants Living With Overweight or Obesity Without Diabetes
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Sep 29, 2026 · NCT07685808Study to Assess the Effect and Safety of ALV-100 on Maintenance of Weight Loss
RecruitingPhase 2
Ages 18 to 75 · All sexes · Updated Sep 28, 2026 · NCT07837973From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.