Healthy volunteers · Colorado
Studies for healthy volunteers in Colorado
183 studies have at least one recruiting site in Colorado. 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.
183 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Human Observatory Study
Longevity Metrics, Inc.
- Location
- Boulder, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Health Ahead Comparative Effectiveness Study
William Brandenburg, MD
- Location
- Boulder, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 3
Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents
Pfizer
- Location
- Aurora, CO + 49 other US sites
- Eligibility basics
- Ages 1–17
- RecruitingHealthy volunteers
Data Collection Study Using CS (CardiacSense) BP (Blood Pressure) Watch and Pillow Systems
CardiacSense Ltd.
- Location
- Louisville, CO
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
Motiva Implants® Post-Approval Study
Motiva USA LLC
- Location
- Denver, CO + 32 other US sites
- Eligibility basics
- Ages 22+ · Women only
- RecruitingHealthy volunteers
The Impact of Enhanced Music & Natural Visuals on Emotional Health
soundBrilliance LLC
- Location
- Fort Collins, CO + 2 other US sites
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteers
Acellular Dermal Matrix Investigation in Breast Reconstruction
RTI Surgical
- Location
- Aurora, CO + 11 other US sites
- Eligibility basics
- Ages 22+ · Women only
- RecruitingHealthy volunteersPhase 3
REVEAL Study - Diagnostic Testing for PTSD Using the Senseye Diagnostic Tool
Senseye, Inc.
- Location
- Aurora, CO + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Using CTA Measures to Define Cardiac Risk In NFL Alumni
HeartFlow, Inc.
- Location
- Greenwood Village, CO
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
InSpace Accelerated Rehabilitation Study
Stryker Endoscopy
- Location
- Englewood, CO + 10 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Outcomes Following Combined Adductoplasty™ and Lapiplasty® (MTA3D)
Treace Medical Concepts, Inc.
- Location
- Greeley, CO + 8 other US sites
- Eligibility basics
- Ages 14–65
- RecruitingHealthy volunteers
Connect for Cancer Prevention Study (Connect)
National Cancer Institute (NCI)
- Location
- Denver, CO + 8 other US sites
- Eligibility basics
- Ages 30–70
- RecruitingHealthy volunteers
Natural History Evaluation of Charcot Marie Tooth Disease (CMT) Types CMT1B, CMT2A, CMT4A, CMT4C, and Others
Michael Shy
- Location
- Aurora, CO + 17 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Genetics of Charcot Marie Tooth (CMT) - Modifiers of CMT1A, New Causes of CMT2
University of Iowa
- Location
- Aurora, CO + 17 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 3
Exploring Sympathetic Nervous System Function in Individuals With Down Syndrome
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
NightWare and Cardiovascular Health in Veterans With PTSD
VA Office of Research and Development
- Location
- Aurora, CO
- Eligibility basics
- Ages 22–88
- RecruitingHealthy volunteers
Phage-based Control and Limitation of Pathobionts for Microbiome Equilibrium and Resilience
Colorado State University
- Location
- Fort Collins, CO
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
ARTFL LEFFTDS Longitudinal Frontotemporal Lobar Degeneration (ALLFTD)
Mayo Clinic
- Location
- Denver, CO + 22 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Long Term Evaluation of Scapular-inserted Contraceptive Implants
Yale University
- Location
- Aurora, CO + 1 other US site
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
The Vanguard Study: Testing a New Way to Screen for Cancer
National Cancer Institute (NCI)
- Location
- Cheyenne Wells, CO + 44 other US sites
- Eligibility basics
- Ages 45–75
- RecruitingHealthy volunteers
Exercise Effects on the Neurobiology Underlying Stress-related Eating Behaviors in Veterans
VA Office of Research and Development
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection
Alliance for Clinical Trials in Oncology
- Location
- Aurora, CO + 612 other US sites
- Eligibility basics
- Ages 40–75
- RecruitingHealthy volunteers
Testing an Enhanced Digital Delivery Model for Inherited Cancer Genetic Testing in Young Adults With Cancer
Alliance for Clinical Trials in Oncology
- Location
- Colorado Springs, CO + 319 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Family Communications After Genetic Testing
Alliance for Clinical Trials in Oncology
- Location
- Colorado Springs, CO + 347 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.