Location · Missouri
Clinical trials recruiting in Missouri
620 recruiting studies have at least one site in Missouri; 176 accept healthy volunteers. Studies that need a specific condition are included too, so check each listing.
Want the research companies that run paid Phase 1 studies for healthy volunteers? Paid clinical trial companies in Missouri.
620 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
- Recruiting
Assessment of CCM in HF With Higher Ejection Fraction
Impulse Dynamics
- Location
- Kansas City, MO + 64 other US sites
- Eligibility basics
- Ages 18+