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 volunteersEarly Phase 1
Sympathetic Vascular Transduction Across the Menopause Transition: Contributing Mechanisms
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–70 · Women only
- RecruitingHealthy volunteersPhase 1
PET Detection of CCR2 in Human Atherosclerosis
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–89
- RecruitingHealthy volunteersPhase 3
A Study to Learn About How a New Pneumococcal Vaccine Works in Infants.
Pfizer
- Location
- Columbia, MO + 101 other US sites
- Eligibility basics
- Ages 1 mo–7 mo
- RecruitingHealthy volunteersPhase 3
A Study of Aleniglipron in Adults With Obesity or Overweight and Type 2 Diabetes Mellitus (ACCOMPLISH-2)
Gasherbrum Bio, Inc., a wholly owned subsidiary of Structure Therapeutics
- Location
- Chesterfield, MO + 55 other US sites
- Eligibility basics
- Ages 18–79
- RecruitingHealthy volunteers
Galleri® in the Medicare Population.
GRAIL, Inc.
- Location
- Joplin, MO + 70 other US sites
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteersPhase 3
A Study to Assess the Safety, Tolerability, and Immunogenicity of 3 Lots of a Multivalent Pneumococcal Conjugate Vaccine Administered to Adults
Pfizer
- Location
- Chesterfield, MO + 36 other US sites
- Eligibility basics
- Ages 18–49
- RecruitingHealthy volunteersPhase 3
A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older
Pfizer
- Location
- St Louis, MO + 138 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
BoxX-NoAF Clinical Trial
AtriCure, Inc.
- Location
- St Louis, MO + 30 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Observational Study of Decentralized Urine Optical Interaction Patterns Associated With Environmental Microplastic and Nanoplastic Exposure
Ecotera Health LLC
- Location
- St Louis, MO + 50 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Comparison of ACUVUE® OASYS MAX 1-Day Multifocal and DAILIES® AquaComfort Plus® Multifocal
Johnson & Johnson Vision Care, Inc.
- Location
- St Louis, MO + 9 other US sites
- Eligibility basics
- Ages 40–70
- RecruitingHealthy volunteers
A Randomized Comparison of Stage-Based Care Versus Risk Factor-Based Care for Prevention of Cardiovascular Events
Cleerly, Inc.
- Location
- St Louis, MO + 121 other US sites
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteersPhase 3
A Study on the Efficacy of a Vaccine Against Influenza in Adults ≥65 Years of Age
GlaxoSmithKline
- Location
- Chesterfield, MO + 130 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
(CIRRUS-2023-1) CLINICAL CLIN Assessment of PathFinder 1.0 on the CIRRUS 6000 and the CIRRUS 5000
Carl Zeiss Meditec-Dublin CoCe
- Location
- Kansas City, MO + 4 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Motiva Implants® Post-Approval Study
Motiva USA LLC
- Location
- St Louis, MO + 32 other US sites
- Eligibility basics
- Ages 22+ · Women only
- RecruitingHealthy volunteers
A Study to Determine the Effects of ENDS Flavor Availability on Abstinence Within Smokers
RAI Services Company
- Location
- St Louis, MO + 6 other US sites
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteersPhase 3
A Study on the Immune Response and Safety of an Investigational Chickenpox Vaccine When Given to Healthy Children 12 to 15 Months of Age
GlaxoSmithKline
- Location
- Jefferson City, MO + 46 other US sites
- Eligibility basics
- Ages 1–1
- RecruitingHealthy volunteersPhase 2
A Study to Learn About mRNA Vaccines Against Influenza in Adults
Pfizer
- Location
- Kansas City, MO + 14 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Acellular Dermal Matrix Investigation in Breast Reconstruction
RTI Surgical
- Location
- St Louis, MO + 11 other US sites
- Eligibility basics
- Ages 22+ · Women only
- RecruitingHealthy volunteers
A Study Evaluating the Safety and Efficacy of the 3M™ V.A.C. Peel and Place Dressing
Solventum US LLC
- Location
- St Louis, MO + 2 other US sites
- Eligibility basics
- Ages 22+
- RecruitingHealthy volunteers
Efficacy in Controlling Myopia in Young Children Using a Novel Spectacle Lens
SightGlass Vision, Inc.
- Location
- Raytown, MO + 13 other US sites
- Eligibility basics
- Ages 6–8
- RecruitingHealthy volunteers
ColoSense Post-Approval Study
Geneoscopy, Inc.
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The DistaSense VITALS Study
Life Detection Technologies
- Location
- St Louis, MO + 1 other US site
- Eligibility basics
- Ages 22+
- RecruitingHealthy volunteers
Outcomes Following Combined Adductoplasty™ and Lapiplasty® (MTA3D)
Treace Medical Concepts, Inc.
- Location
- Jefferson City, MO + 8 other US sites
- Eligibility basics
- Ages 14–65
- RecruitingHealthy volunteers
Comparing Telephone Symptom Monitoring Interventions for Managing Symptoms and Psychological Distress During Oral Anti-Cancer Treatment
NRG Oncology
- Location
- Osage Beach, MO + 29 other US sites
- Eligibility basics
- Ages 18+
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.