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
- 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
- RecruitingPhase 1/Phase 2
A Clinical Study to Evaluate the Safety and Efficacy of ETX101 in Infants and Children With SCN1A-Positive Dravet Syndrome
Encoded Therapeutics
- Location
- Aurora, CO + 9 other US sites
- Eligibility basics
- Ages 6 mo–17
- RecruitingPhase 3
Study to Evaluate Safety, Efficacy and Pharmacokinetics (PK) of a Modified Regimen of Ublituximab
TG Therapeutics, Inc.
- Location
- Fort Collins, CO + 35 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 3
A Long-Term Study of Elafibranor in Adult Participants With Primary Biliary Cholangitis
Ipsen
- Location
- Aurora, CO + 26 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Study Evaluating the Efficacy and Safety of Pegozafermin in Participants With MASH and Fibrosis (ENLIGHTEN-Fibrosis)
Hoffmann-La Roche
- Location
- Littleton, CO + 121 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Pegozafermin in Participants With Compensated Cirrhosis Due to MASH
Hoffmann-La Roche
- Location
- Littleton, CO + 112 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Tulisokibart (MK-7240) in Participants With Moderate to Severe Crohn's Disease (MK-7240-008)
Merck Sharp & Dohme LLC
- Location
- Aurora, CO + 70 other US sites
- Eligibility basics
- Ages 16–80
- RecruitingPhase 3
Study to Assess the Injection Burden, Adverse Events, Change in Disease Activity, and Long-Term Preservation of Visual Acuity of Surabgene Lomparvovec in Adult Participants With Neovascular Age-Related Macular…
AbbVie
- Location
- Colorado Springs, CO + 54 other US sites
- Eligibility basics
- Ages 50+
- RecruitingPhase 2
A Clinical Study of Tulisokibart (MK-7240) to Treat Radiographic Axial Spondyloarthritis (MK-7240-013)
Merck Sharp & Dohme LLC
- Location
- Denver, CO + 35 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingPhase 3
An Induction Study to Investigate the Efficacy and Safety of Duvakitug in Participants With Moderately to Severely Active Ulcerative Colitis
Sanofi
- Location
- Aurora, CO + 118 other US sites
- Eligibility basics
- Ages 16–80
- RecruitingPhase 3
Efficacy, Safety, and Tolerability Study of Lunsekimig Compared With Placebo in Adult Participants With Inadequately Controlled Chronic Obstructive Pulmonary Disease (COPD), Characterized by an Eosinophilic Phenotype
Sanofi
- Location
- Boulder, CO + 70 other US sites
- Eligibility basics
- Ages 40–80
- RecruitingPhase 2
A Study to Learn About the Effects of Felzartamab Infusions in Adults With Kidney Transplants Who Have Late Isolated Microvascular Inflammation
Biogen
- Location
- Aurora, CO + 24 other US sites
- Eligibility basics
- Ages 18–74
- RecruitingPhase 3
A Study to Evaluate the Efficacy and Safety of Veverimer for the Treatment of Metabolic Acidosis
Renibus Therapeutics, Inc.
- Location
- Aurora, CO + 26 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
A Phase 3 Study of Pelabresib (DAK539) and Ruxolitinib in Myelofibrosis (MF)
Novartis Pharmaceuticals
- Location
- Denver, CO + 19 other US sites
- Eligibility basics
- Ages 18+