Location · Denver, CO
Clinical trials in Denver, CO
493 recruiting studies have a site in the Denver area, and 165 of them accept healthy volunteers. The area includes Aurora, Lakewood, Englewood, Littleton, Centennial, Lone Tree and nearby cities.
493 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
PREVENT ALL ALS Study
St. Joseph's Hospital and Medical Center, Phoenix
- Location
- Birmingham, AL + 30 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Registry of Asthma Characterization and Recruitment 3 (RACR3)
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Aurora, CO + 4 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 4
Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis
VA Office of Research and Development
- Location
- Loma Linda, CA + 8 other US sites
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Novel Couple-Based Mindfulness Intervention for Metastatic Colorectal Cancer
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteersPhase 4
Etonogestrel Implant as Emergency Contraception
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteers
PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort
Michael J. Fox Foundation for Parkinson's Research
- Location
- Birmingham, AL + 29 other US sites
- Eligibility basics
- Ages 30+
- RecruitingHealthy volunteers
Effects of GLP-1 RAs on Human Lactation Outcomes
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteersPhase 2
Convergent Mechanisms Underlying Reprometabolic Syndrome in Women
University of Colorado, Denver
- Location
- Aurora, CO + 1 other US site
- Eligibility basics
- Ages 18–38 · Women only
- RecruitingHealthy volunteersPhase 2/Phase 3
Focusing on the Menopausal Transition to Improve Mid-Life Women's Health
University of Colorado, Denver
- Location
- Aurora, CO + 2 other US sites
- Eligibility basics
- Ages 45–55 · Women only
- RecruitingHealthy volunteers
Deep Functional Phenotyping of the ALA Lung Health Cohort
Johns Hopkins University
- Location
- Birmingham, AL + 11 other US sites
- Eligibility basics
- Ages 25–35
- RecruitingHealthy volunteers
Comprehensive HHT Outcomes Registry of the United States (CHORUS)
Cure HHT
- Location
- Birmingham, AL + 15 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 4
Oral Contraceptive Pill (OCP) Pharmacogenomics
Yale University
- Location
- Aurora, CO + 1 other US site
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Protocol CAUSE-03 / CHEETAH
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Aurora, CO + 7 other US sites
- Eligibility basics
- Ages 6–17
- RecruitingHealthy volunteers
Cannabis Observations on Brain Waves, Retrieval, and Attention: Experiment 4
L. Cinnamon Bidwell
- Location
- Boulder, CO
- Eligibility basics
- Ages 21–40
- RecruitingHealthy volunteers
Integrated Cancer Repository for Cancer Research
University of Nebraska
- Location
- Greenwood Village, CO + 41 other US sites
- Eligibility basics
- Ages 19–110
- RecruitingHealthy volunteers
UNderstanding the Causes Of Idiopathic Scoliosis Through the Longitudinal Analysis of Proteomic Markers: the UNCOIL Study
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 10–17
- RecruitingHealthy volunteers
Advanced SPinal Innovations With Robotics and Enabling Technology Registry
Boston Children's Hospital
- Location
- Aurora, CO + 6 other US sites
- Eligibility basics
- Ages 0 mo–21
- RecruitingHealthy volunteers
Childhood Cancer Survivor Study
St. Jude Children's Research Hospital
- Location
- Birmingham, AL + 26 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Biomarkers for Peripheral Circadian Clocks in Humans
University of Colorado, Boulder
- Location
- Boulder, CO
- Eligibility basics
- Ages 17–35
- RecruitingHealthy volunteers
Pathophysiology of Circadian Rhythm Delayed Sleep Wake Phase Disorder
University of Colorado, Boulder
- Location
- Boulder, CO + 1 other US site
- Eligibility basics
- Ages 16–40
- RecruitingHealthy volunteers
Testing the Impact of the MOHR Follow-up Support
University of Colorado, Denver
- Location
- Aurora, CO + 5 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Exercise Adherence and Cognitive Decline: Phase 2
University of Colorado, Boulder
- Location
- Aurora, CO + 1 other US site
- Eligibility basics
- Ages 45–65
- RecruitingHealthy volunteers
The Society for Obstetric Anesthesia and Perinatology Research Network General Anesthesia Registry
Yale University
- Location
- Little Rock, AR + 32 other US sites
- Eligibility basics
- Ages 15–55 · Women only
- RecruitingHealthy volunteers
SPIROMICS Study of Early COPD Progression (SOURCE)
University of Massachusetts, Worcester
- Location
- Birmingham, AL + 13 other US sites
- Eligibility basics
- Ages 30–55