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 Weizmannia (Bacillus) Coagulans JBI-YZ6.3 on Gut Health and Fecal Microbiome Changes
Lindenwood University
- Location
- Saint Charles, MO
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Beat Childhood Cancer Specimen Banking and Data Registry
Giselle Sholler
- Location
- Kansas City, MO + 16 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Montalcino Aortic Consortium: Precision Medicine for Heritable Thoracic Aortic Disease
The University of Texas Health Science Center, Houston
- Location
- St Louis, MO + 12 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 3
Geriatric Evaluation and Management With Survivorship Health Education for Older Survivors of Cancer, GEM-S Trial
University of Rochester
- Location
- Osage Beach, MO + 43 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Investigating Phenotypic, Epigenetic, and NeuroGenetic Traits in Rare and Ultra-rare Neurodevelopmental Disorders (Project PENGUIN)
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Up to age 99
- RecruitingHealthy volunteers
The Role of Oxytocin in the Second Stage of Labor
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteers
Brain Health in Youth With Normal Weight, Overweight and Obesity at Risk for Type 2 Diabetes (T2D)
Washington University School of Medicine
- Location
- St Louis, MO + 1 other US site
- Eligibility basics
- Ages 12–17
- RecruitingHealthy volunteers
High Intensity Interval Training (HIIT) to Reduce Frailty and Enhance Resilience in Older Veterans
VA Office of Research and Development
- Location
- Kansas City, MO
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Dose-Response Impact of Glucosyl-Hesperidin (CitraPeak) on Exercise Performance, Blood Flow, Stress, Cognition, and Other Perceptual Indicators
Lindenwood University
- Location
- Saint Charles, MO
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Brain Blood Flow and Lactate in Non-obese and Obese Subjects
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Target ALS Biomarker Study; Longitudinal Biofluids, Clinical Measures, and At Home Measures
Target ALS Foundation, Inc.
- Location
- St Louis, MO + 9 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Evaluating Injection With the Use of Brimonidine Tartrate Ophthalmic 0.025% on Patients Using Netarsudil 0.02%/Latanoprost 0.005% to Treat Glaucoma
Insight Eyecare Specialties, Inc. dba Vision Source Eyecare,
- Location
- Kansas City, MO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Role of the Gut Microbiome in Complex Regional Pain Syndrome
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
PTSD Screening in Pregnant Black Women
Emory University
- Location
- Kansas City, MO + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
CAT BITE Antibiotic Prophylaxis for the Hand/Forearm (CATBITE)
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
MAP for Coaches: Translating Sports Injury Prevention Knowledge to Youth Sport Coaches
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Mindfulness in Endometrial and Cervical Cancer
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–90 · Women only
- RecruitingHealthy volunteers
Studying Health Outcomes After Treatment in Patients With Retinoblastoma
Vanderbilt-Ingram Cancer Center
- Location
- St Louis, MO + 9 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 4
Characterizing the Human Airway Immune Response to FluMist Vaccination
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Cerebral Oxygen Metabolism in Children
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 3–50
- RecruitingHealthy volunteers
Remote Sensing for ADRD-Specific Activities Identification in Older Adults
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
TrialNet Pathway to Prevention of T1D
University of South Florida
- Location
- Kansas City, MO + 16 other US sites
- Eligibility basics
- Ages 2–45
- RecruitingHealthy volunteers
Dietary Fiber Effects on the Microbiome and Satiety
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 20–55
- RecruitingHealthy volunteers
Implementation Supports for Improving Identification and Delivery of School-based Mental Health Supports for Middle Schools Students
University of Virginia
- Location
- Columbia, MO + 2 other US sites
- Eligibility basics
- Ages 10–99
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.