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 volunteersPhase 2
Effects of THC on Alcohol Consumption and Neural Correlates of Reward
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 21–40
- RecruitingHealthy volunteers
Intervention to Collect and Utilize Sexual Orientation and Gender Identity (SOGI) Information in Hospice
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Cardiometabolic Consequences of the Loss of Ovarian Function
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 20–45 · Women only
- RecruitingHealthy volunteers
A Pilot Factorial Trial of an Integrated Lifestyle Intervention
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Generating Advancements Through Longitudinal Analysis in X and Y Variations (GALAXY)
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 0 mo–100
- RecruitingHealthy volunteers
A Prospective Study of a Mosaic Embryo Transfer
Colorado Center for Reproductive Medicine
- Location
- Lone Tree, CO
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Enroll -HD: A Prospective Registry Study in a Global Huntington's Disease Cohort
CHDI Foundation, Inc.
- Location
- Englewood, CO + 51 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Bioenergetic Effects of Aging and Menopause (BEAM)
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 40–65 · Women only
- RecruitingHealthy volunteers
Parenting Skills Group for Mothers With Postpartum Depression
University of Colorado, Denver
- Location
- Denver, CO
- Eligibility basics
- Ages 18–50 · Women only
- RecruitingHealthy volunteers
PRenatal and Obstetric Maternal Exposures and ISlet Autoantibodies in Early Life
University of Colorado, Denver
- Location
- Aurora, CO + 2 other US sites
- Eligibility basics
- Ages 0 mo–99
- RecruitingHealthy volunteers
Open Access Database of Standing Full Body Radiographs in Asymptomatic Volunteers
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 21–85
- RecruitingHealthy volunteers
Activity Restrictions After Inguinal Hernia Repair
VA Eastern Colorado Health Care System
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Blood Samples for the Study of Peanut, Tree Nut and Other Food Allergies
University of Colorado, Denver
- Location
- Denver, CO
- Eligibility basics
- Ages 1–75
- RecruitingHealthy volunteers
Evaluation of SUMMIT BRUSH in Treatment of Blepharitis
University of Notre Dame
- Location
- Boulder, CO + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cardiovascular Innovation & Research Institute 's NEXUS Registry, the Whole is Greater Than the Parts.
Cardiovascular Innovation and Research Institute
- Location
- Glenwood Springs, CO
- 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.