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
Pancreas Ultrasound Imaging in type1 Diabetes
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Timing of Energy Availability on Menstrual Cycle Function
University of Colorado, Colorado Springs
- Location
- Colorado Springs, CO
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteers
Adipocyte-Derived Extracellular Vesicles, Weight Loss, and Endothelial Function
University of Colorado, Boulder
- Location
- Boulder, CO
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
HDClarity: a Multi-site Cerebrospinal Fluid Collection Initiative to Facilitate Therapeutic Development for Huntington's Disease
University College, London
- Location
- Englewood, CO + 4 other US sites
- Eligibility basics
- Ages 11–75
- RecruitingHealthy volunteers
Exogenous and Endogenous Risk Factors for Early-onset Colorectal Cancer
San Raffaele University
- Location
- Denver, CO + 1 other US site
- Eligibility basics
- Ages 18–49
- RecruitingHealthy volunteers
Improving Socket Fit in Female and Male Veterans With Transtibial and Transfemoral Amputation
VA Office of Research and Development
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Cognitive-Behavioral Therapy and Exercise Training in Adolescents At-Risk for Type 2 Diabetes
Colorado State University
- Location
- Aurora, CO + 1 other US site
- Eligibility basics
- Ages 12–17 · Women only
- RecruitingHealthy volunteers
Hybrid Effectiveness-Implementation Trial of an Executive Functioning Intervention for Children's Mental Health Services
San Diego State University
- Location
- Aurora, CO + 1 other US site
- Eligibility basics
- Ages 6–99
- RecruitingHealthy volunteers
Early Intervention to Promote Cardiovascular Health of Mothers and Children
JHSPH Center for Clinical Trials
- Location
- Aurora, CO + 8 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
A Global Study of the PETAL Consortium
Massachusetts General Hospital
- Location
- Denver, CO + 9 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Brain Stimulation Effects on Cognitive Task Performance
Colorado State University
- Location
- Fort Collins, CO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 3
Evaluating Whether an Educational Website Called Current Together After Cancer (CTAC) Improves Follow-up Care for Colorectal Cancer Survivors
SWOG Cancer Research Network
- Location
- Colorado Springs, CO + 374 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Understanding Practices of Lactation and Infant Feeding Together With Women With HIV in the United States
International Maternal Pediatric Adolescent AIDS Clinical Trials Group
- Location
- Aurora, CO + 1 other US site
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Neonatal Platelet Transfusion Threshold Trial
NICHD Neonatal Research Network
- Location
- Aurora, CO + 19 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Role of Microvascular Insulin Resistance and Cardiorespiratory Fitness Diabetes
University of Colorado, Denver
- Location
- Aurora, CO + 1 other US site
- Eligibility basics
- Ages 30–55
- RecruitingHealthy volunteers
PPROM Registry (Preterm Premature Rupture of Membranes)
American Alliance for pProm Support
- Location
- Denver, CO
- Eligibility basics
- Ages 14–55 · Women only
- RecruitingHealthy volunteers
Implementation of a ColoRectal Cancer Screening Tool in US Primary Care Practices - Usual Quality Improvement (10 Clinics) vs Normalization Process Theory-Participatory Learning in Action (10 Clinics)
University of Kansas Medical Center
- Location
- Aurora, CO
- Eligibility basics
- Ages 45–75
- RecruitingHealthy volunteers
Colorado Community Engagement Alliance
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
The Effectiveness of Emergency Room Protocols for Treating Hyperthermia
University of Colorado, Colorado Springs
- Location
- Colorado Springs, CO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Triple EIT (Electrical Impedance Tomography)
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 0 mo–25
- RecruitingHealthy volunteers
An Investigation of Attentional and Inhibitory Processes During Active Visual Search in Humans
University of Colorado, Denver
- Location
- Denver, CO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Knee Osteoarthritis Rehabilitation Through Rotational Inertia
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 40–70
- RecruitingHealthy volunteers
Study to Investigate Vagus Nerve Stimulation to Augment Executive Function in Healthy and Cognitively Impaired Populations
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 2
Computerized Cognitive Behavioral Therapies for Suicide Prevention and Depression
VA Eastern Colorado Health Care System
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–65