Healthy volunteers · Missouri
Studies for healthy volunteers in Missouri
176 studies have at least one recruiting site in Missouri. These studies say in their official record that they accept healthy volunteers. Many are Phase 1 studies that test how a new medicine is absorbed and tolerated; others recruit healthy people as a comparison group alongside patients.
176 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
Impact of Phenylalanine Elevations on Brain and Cognition in Adult PKU Carriers
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Whole Genome Sequencing (ChromoSeq) as an Adjunct to Conventional Genomic Profiling in AML and MDS
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cardiac Structure and Function in MPS
Children's Hospital of Orange County
- Location
- St Louis, MO + 1 other US site
- Eligibility basics
- Ages 0 mo–99
- RecruitingHealthy volunteers
Clinical and Genetic Evaluation of Individuals With Undiagnosed Disorders Through the Undiagnosed Diseases Network
National Human Genome Research Institute (NHGRI)
- Location
- St Louis, MO + 23 other US sites
- Eligibility basics
- Ages 1 mo–100
- RecruitingHealthy volunteers
Whole Genome Sequencing (ChromoSeq) as an Adjunct to Conventional Genomic Profiling in MDS
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Impact of Menthol Flavoring on Switching in Adult Menthol Smokers
Nikki Nollen, PhD, MA
- Location
- Kansas City, MO
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteersPhase 3
Switching to E-cigarettes in Smokers Not Interested in Quitting
University of Kansas Medical Center
- Location
- Kansas City, MO + 1 other US site
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Tumor Cell and DNA Detection in the Blood, Urine, and Bone Marrow
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
ARTFL LEFFTDS Longitudinal Frontotemporal Lobar Degeneration (ALLFTD)
Mayo Clinic
- Location
- St Louis, MO + 22 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Surgical Thromboprophylaxis Practices in Oncology Patients Within the NCORP Network, STOP-VTE Study
Wake Forest University Health Sciences
- Location
- Branson, MO + 101 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Vanguard Study: Testing a New Way to Screen for Cancer
National Cancer Institute (NCI)
- Location
- Kansas City, MO + 44 other US sites
- Eligibility basics
- Ages 45–75
- RecruitingHealthy volunteers
Dominantly Inherited Alzheimer Network (DIAN)
Washington University School of Medicine
- Location
- St Louis, MO + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Diaphragmatic Hernia Research & Exploration, Advancing Molecular Science
Columbia University
- Location
- St Louis, MO + 10 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Education & Mentorship of Advanced Practice Providers to Increase Community-based Research Within the NCORP Network, COACH-APP Trial
Wake Forest University Health Sciences
- Location
- Joplin, MO + 42 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cognitive Neurocomputational Task Reliability & Clinical Applications Consortium (CNTRACS): Study 1
Washington University School of Medicine
- Location
- St Louis, MO + 4 other US sites
- Eligibility basics
- Ages 18–59
- RecruitingHealthy volunteers
Effects of Pre-Run Nutritional Supplements During a Fixed-Pace 5 km Treadmill Run
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Effects of Caffeine on Chess Performance and Cognitive Function in Professional Chess Players
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Two-Week Stair-Climbing Exercise Snacks and Metabolic Health in Adults With Overweight or Obesity: A Pilot Study
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Effects of Lean Beef Consumption on Cardiometabolic Health and Gut Microbiome
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Insomnia and Insulin Resistance
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Precision Supplemental Imaging in Women With Dense Breasts
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 25–55 · Women only
- RecruitingHealthy volunteers
Sleep as a Mechanism of Change in Alcohol Use
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–49
- RecruitingHealthy volunteers
Efficacy of a Multi-level School Intervention for LGBTQ Youth
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 12–20
- RecruitingHealthy volunteers
Study to Understand Novel Biomarkers in Researching Dementia
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 60+
Who these studies look for
“Healthy” is decided at screening, not by you. Sites usually check vital signs, blood and urine tests, an ECG, your medications and sometimes your BMI or smoking status. A study can still turn you away for reasons that have nothing to do with being unwell, such as timing or a full roster.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Do healthy volunteer studies pay?
Many do, because volunteers give up time and follow strict schedules, but amounts are set by each study and are usually only confirmed by the research site. When a record states an amount we show the exact wording; otherwise we say compensation is not disclosed.
What happens at a screening visit?
Expect consent paperwork first, then a health questionnaire, vital signs, blood and urine samples and often an ECG. You can ask questions and withdraw at any time, before or after you sign.