Younger adults · Missouri
Studies for younger adults in Missouri
These studies accept adults from 21 or younger and set an upper age limit of 45 or below, so they are aimed at younger adults. Being in the age range does not mean you qualify; screening decides.
30 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 1
A Study to Evaluate Safety, Tolerability, and Immunogenicity of V350A and V350B in Healthy Participants (V350-001).
Merck Sharp & Dohme LLC
- Location
- Kansas City, MO + 5 other US sites
- Eligibility basics
- Ages 12–30
- RecruitingHealthy volunteersEarly Phase 1
Light Therapy for Obsessive-compulsive Disorder (OCD)
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 17–35
- RecruitingHealthy volunteersEarly Phase 1
Sex Disparities in Hypoxic Vasodilation and Impact of Obesity
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 1
Liver Adiposity Effects on Pediatric Statin
Children's Mercy Hospital Kansas City
- Location
- Kansas City, MO
- Eligibility basics
- Ages 8–21
- RecruitingPhase 3
A Study to Investigate Efficacy and Safety of Teplizumab Compared With Placebo in Participants 1 to 25 Years of Age With Stage 3 Type 1 Diabetes
Sanofi
- Location
- Kansas City, MO + 33 other US sites
- Eligibility basics
- Ages 1–25
- RecruitingPhase 2
SAFety and Efficacy of Human Anti-thymocyte ImmunoGlobUlin SAB-142 ARresting Progression of Type 1 Diabetes
SAb Biotherapeutics, Inc.
- Location
- Kansas City, MO + 20 other US sites
- Eligibility basics
- Ages 5–40
- RecruitingPhase 3
A Master Protocol (AMAZ): A Study of Mirikizumab (LY3074828) in Pediatric Participants With Ulcerative Colitis or Crohn's Disease (SHINE-ON)
Eli Lilly and Company
- Location
- St Louis, MO + 8 other US sites
- Eligibility basics
- Ages 2–19
- RecruitingPhase 1/Phase 2
CNP-103 in Adolescent and Adult Subjects Ages 12-35 With Recently Diagnosed (Within 6 Months) Stage 3 Type 1 Diabetes (T1D)
COUR Pharmaceutical Development Company, Inc.
- Location
- Kansas City, MO + 44 other US sites
- Eligibility basics
- Ages 12–35
- RecruitingPhase 1/Phase 2
Study to Evaluate Safety, Efficacy and Immunogenicity of Acne mRNA Vaccine in Adults With Moderate to Severe Acne
Sanofi Pasteur, a Sanofi Company
- Location
- Saint Joseph, MO + 78 other US sites
- Eligibility basics
- Ages 18–45
- RecruitingPhase 3
A Study to Learn About the Study Medicine Called Rimegepant in Women When Used for Intermittent Prevention of Menstrual Migraine
Pfizer
- Location
- Springfield, MO + 30 other US sites
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingPhase 1/Phase 2
A Study Exploring Changes in a Variety of Biomarkers Following Dosing With MT1988 in Participants at Clinical High Risk for Psychosis
Monument Therapeutics Limited
- Location
- St Louis, MO + 14 other US sites
- Eligibility basics
- Ages 17–30
- RecruitingPhase 3
A Trial of Etelcalcetide in Pediatric Participants With Secondary Hyperparathyroidism and Chronic Kidney Disease on Hemodialysis
Amgen
- Location
- Kansas City, MO + 4 other US sites
- Eligibility basics
- Ages 0 mo–18
- RecruitingPhase 3
Fontan Udenafil Exercise Longitudinal Assessment Trial - 2
Mezzion Pharma Co. Ltd
- Location
- Kansas City, MO + 34 other US sites
- Eligibility basics
- Ages 12–18
- 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
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
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
Impact of Sleep Restriction on Blood Pressure Reactivity
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 2
Effect of Ketone Esters on Liver Fat Content and Metabolic Function
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Endometriosis and Migraine
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 12–45 · Women only
- RecruitingHealthy volunteers
Comparison of Immediate Changes in Cervical Range of Motion Following Cervical Extension and Downslip Mobilizations.
Missouri State University
- Location
- Springfield, MO
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Growth Hormone Resistance of Beta-cells A
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Early PKD Observational Cohort Study
University of Kansas Medical Center
- Location
- Kansas City, MO + 2 other US sites
- Eligibility basics
- Ages 4–35
- 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