Location · St. Louis, MO
Clinical trials in St. Louis, MO
424 recruiting studies have a site in the St. Louis area, and 110 of them accept healthy volunteers. The area includes Saint Louis, Chesterfield, Creve Coeur, Florissant, Kirkwood, Ballwin and nearby cities.
424 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Endometriosis and Migraine
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 12–45 · Women only
- RecruitingHealthy volunteers
Vagus Nerve Stimulation for Myelopathy
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Childhood Cancer Survivor Study
St. Jude Children's Research Hospital
- Location
- Birmingham, AL + 26 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Investigation of Inflammation in Alzheimer's Disease and Related Dementias (ADRD) Using [11C]-CS1P1
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Beta Amyloid PET Imaging for Alzheimer Disease With [18F]-Fluselenamyl
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Society for Obstetric Anesthesia and Perinatology Research Network General Anesthesia Registry
Yale University
- Location
- Little Rock, AR + 32 other US sites
- Eligibility basics
- Ages 15–55 · Women only
- RecruitingHealthy volunteers
Late Onset Alzheimer's Disease
Columbia University
- Location
- Washington D.C., DC + 11 other US sites
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
Parathyroid Tumor Clonal Status
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–80 · Women only
- RecruitingHealthy volunteers
Alzheimer"s Imaging Biomarkers in Obesity
Cyrus A Raji
- Location
- St Louis, MO
- Eligibility basics
- Ages 40–60
- RecruitingHealthy volunteers
Mindfulness to Enhance Cognitive Health in Latino Older Adults
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Investigations of Dementia in Parkinson Disease
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Rejection Sensitivity and Puberty in Mental Health Vulnerability to Social Media Experiences in Early Adolescent Girls
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 10+ · Women only
- RecruitingHealthy volunteers
A Pilot Study to Evaluate the Ability of Lactoferrin to Modulate Iron Homeostasis and Exercise Performance in Exercising Females
Lindenwood University
- Location
- Saint Charles, MO
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteersPhase 3
Local Bisphosphonate Effect on Recurrence Rate in Extremity Giant Cell Tumor of Bone
St. Louis University
- Location
- Los Angeles, CA + 10 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Early Intervention to Promote Cardiovascular Health of Mothers and Children
JHSPH Center for Clinical Trials
- Location
- Birmingham, AL + 8 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Neuroimaging of Parkinson's
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Spinal Cord Stimulation and Training
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 16–65
- RecruitingHealthy volunteers
Dose-Response Impact of Geranylgeraniol (GG) Supplementation on Muscle Health
Lindenwood University
- Location
- Saint Charles, MO
- Eligibility basics
- Ages 30–60
- RecruitingHealthy volunteers
Mechanism of Ketogenic Diet-Induced Hypercholesterolemia
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–39
- RecruitingHealthy volunteers
Dissecting Human Immune Responses to Infection With Influenza or SARS-CoV-2
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Black and African Americans Connections to Parkinson's Disease (BLAAC PD)
Michael J. Fox Foundation for Parkinson's Research
- Location
- Birmingham, AL + 10 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Circulating Tumor DNA (ctDNA) for Early Treatment Response Assessment of Solid Tumors
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Intermuscular Coherence as a Biomarker for ALS
University of Chicago
- Location
- Miami, FL + 2 other US sites
- Eligibility basics
- Ages 20–90
- RecruitingHealthy volunteers
Impact of Weizmannia (Bacillus) Coagulans JBI-YZ6.3 on Gut Health and Fecal Microbiome Changes
Lindenwood University
- Location
- Saint Charles, MO
- Eligibility basics
- Ages 18–50