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Obesity clinical trials in O'Fallon, MO
11 studies for Obesity are looking for participants at sites in and around O'Fallon (within about 30 miles). Open a study to see who can join and how to contact the study team.
Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →
Safety and Efficacy of ABBV-295 in Adults With Obesity or Overweight With Weight-Related Comorbidities
RecruitingPhase 2
- Studymetrix Research /ID# 282163, City of Saint Peters · 4 mi away
AMAZE 9: A Research Study Investigating How Well Zenagamtide Tablets Help People With Excess Body Weight Lose Weight
RecruitingPhase 3
- StudyMetrix Research LLC, City of Saint Peters · 4 mi away
AMAZE 1: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight Lose Weight
RecruitingPhase 3
- StudyMetrix Research LLC, City of Saint Peters · 4 mi away
A Study of Eloralintide (LY3841136) in Participants With Obesity or Overweight, and Type 2 Diabetes
RecruitingPhase 3
- Clinical Research Professionals, Chesterfield · 12 mi away
A Study of Eloralintide (LY3841136) in Participants With Persistent Obesity Who Are Treated With a Weekly Incretin
RecruitingPhase 3
- Clinical Research Professionals, Chesterfield · 12 mi away
Evaluating the Impact of Maridebart Cafraglutide on Cardiovascular Outcomes in Participants With Atherosclerotic Cardiovascular Disease and Overweight or Obesity
RecruitingPhase 3
- StudyMetrix Research, City of Saint Peters · 4 mi away
A Study to Investigate Weight Management With Macupatide and Eloralintide, Alone or in Combination, in Adult Participants With Obesity or Overweight
RecruitingPhase 2
- StudyMetrix Research, City of Saint Peters · 4 mi away
A Study of Aleniglipron in Adults With Obesity or Overweight and Type 2 Diabetes Mellitus (ACCOMPLISH-2)
RecruitingPhase 3Healthy volunteers welcome
- ACCOMPLISH-2 Research Site, City of Saint Peters · 4 mi away
- ACCOMPLISH-2 Research Site, Chesterfield · 12 mi away
Research Study on How Well Oral Semaglutide Works for Weight Loss in Adults With Excess Body Weight
RecruitingPhase 3
- StudyMetrix Research LLC, City of Saint Peters · 4 mi away
A Master Protocol Study (LY900038) of Multiple Intervention-Specific-Appendices (ISAs) in Adult Participants With Obesity or Overweight
RecruitingPhase 2
- StudyMetrix Research, City of Saint Peters · 4 mi away
Efficacy and Safety of Aleniglipron in Participants With Obesity or Overweight With a Weight-Related Comorbidity (ACCOMPLISH-1)
RecruitingPhase 3
- ACCOMPLISH-1 Research Site, Chesterfield · 12 mi away
About Obesity
Read about the causes of obesity and find out what you can do to decrease your risk of its associated health issues.
More about Obesity on MedlinePlus
Obesity trials in other cities
- 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
Other studies in O'Fallon
- Overweight10 studies
- Prostate Cancer9 studies
- Major Depressive Disorder9 studies
- Non-Small Cell Lung Cancer8 studies
- Lung Cancer7 studies
- Acute Myeloid Leukemia6 studies
- Breast Cancer6 studies
- Kidney Cancer (Renal Cell Carcinoma)5 studies
- Melanoma5 studies
- Depression5 studies
- Colorectal Cancer5 studies
- Laryngeal Cancer4 studies
From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.