Location · Colorado
Clinical trials recruiting in Colorado
591 recruiting studies have at least one site in Colorado; 183 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 Colorado.
591 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingPhase 3
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Esophagus
GIE Medical
- Location
- Aurora, CO + 32 other US sites
- Eligibility basics
- Ages 22+
- RecruitingPhase 3
Paclitaxel Coated Balloon for the Treatment of Chronic bEnigN sTricture- Bowel
GIE Medical
- Location
- Aurora, CO + 30 other US sites
- Eligibility basics
- Ages 22+
- RecruitingPhase 1/Phase 2
A Study of Andecaliximab in People With Spinal Cord Injury at Risk for Bone Growth Outside of the Normal Skeleton.
Ashibio Inc
- Location
- Denver, CO
- Eligibility basics
- Ages 18–89
- Recruiting
PIvotal Trial of the KARDION Cory P4 MechANical Circulatory SupporT SystEm
Kardion Inc
- Location
- Thornton, CO + 16 other US sites
- Eligibility basics
- Ages 18–90
- RecruitingPhase 1/Phase 2
A Phase 1/2, First-in-Human Dose Escalation/Expansion Study to Evaluate the Safety, Tolerability and Preliminary Efficacy of a Subretinal Injection of SB-007 in Subjects With Stargardt Disease (STGD1)
Splice Bio
- Location
- Aurora, CO + 4 other US sites
- Eligibility basics
- Ages 12–65
- Recruiting
Use of Bone Marrow Concentrate for Treatment of Alar, Accessory, and Transverse Ligament Injuries
Regenexx, LLC
- Location
- Broomfield, CO
- Eligibility basics
- Ages 18–65
- Recruiting
Trial for Treating Painful Degenerative Disc Disease
Regenexx, LLC
- Location
- Broomfield, CO + 1 other US site
- Eligibility basics
- Ages 25–65
- RecruitingPhase 2
Trial of the Impact of Sibeprenlimab on Immunoglobulin A Nephropathy Kidney Tissue
Otsuka Pharmaceutical Development & Commercialization, Inc.
- Location
- Denver, CO + 3 other US sites
- Eligibility basics
- Ages 16+
- Recruiting
Freedom-1 Study for Chronic Knee Pain
Curonix LLC
- Location
- Denver, CO + 12 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 1
Open-label, Dose Escalation Study of Safety and Preliminary Efficacy of TN-401 in Adults With PKP2 Mutation-associated ARVC
Tenaya Therapeutics
- Location
- Aurora, CO + 6 other US sites
- Eligibility basics
- Ages 18–65
- Recruiting
PARTNER 3 Trial - Aortic Valve-in-Valve
Edwards Lifesciences
- Location
- Loveland, CO + 28 other US sites
- Eligibility basics
- Any age listed
- 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+