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 1/Phase 2
A Study of BLB-201 RSV Vaccine in Infants and Children
Blue Lake Biotechnology Inc.
- Location
- Aurora, CO + 13 other US sites
- Eligibility basics
- Ages 6 mo–5
- RecruitingHealthy volunteersPhase 1
Study to Evaluate the Safety, Pharmacokinetic, and Pharmacodynamic Effects of MY006 in Healthy Volunteers and Patients With Peanut Allergy
Mabylon AG
- Location
- Aurora, CO + 7 other US sites
- Eligibility basics
- Ages 12–55
- RecruitingHealthy volunteersPhase 1
A Research Study Looking at How Different Doses of Study Medicine (Inno8) Work in the Body of People With Haemophilia A
Novo Nordisk A/S
- Location
- Aurora, CO + 4 other US sites
- Eligibility basics
- Ages 18–64 · Men only
- RecruitingHealthy volunteersPhase 1/Phase 2
A Study to Learn About the Treatment LTP001 in Healthy Participants (Part A) and in Participants With PAH (Part B)
Novartis Pharmaceuticals
- Location
- Aurora, CO + 18 other US sites
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteersPhase 1
A Study of GSK4527363 in Healthy Participants, Systemic Lupus Erythematosus (SLE) Participants, Healthy Chinese, and Japanese Participants and CTD-ILD Participants
GlaxoSmithKline
- Location
- Aurora, CO + 2 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1/Phase 2
Study of ENP-501 in Peanut-Allergic and Non-Allergic Participants
N-Fold, LLC
- Location
- Aurora, CO
- Eligibility basics
- Ages 14–50
- RecruitingHealthy volunteersPhase 1/Phase 2
Study of VGA039 in Healthy Volunteers and Patients With Von Willebrand Disease (VIVID)
Vega Therapeutics, Inc
- Location
- Aurora, CO + 9 other US sites
- Eligibility basics
- Ages 12–60
- RecruitingHealthy volunteersPhase 1
Use of Pulsatile Intravenous FSH to Mitigate Reprometabolic Syndrome
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 19–37 · Women only
- RecruitingHealthy volunteersPhase 1
Safety and Tolerability Trial of Psilocybin in Healthy Older Adults
University of Colorado, Denver
- Location
- Aurora, CO + 5 other US sites
- Eligibility basics
- Ages 65–85
- RecruitingHealthy volunteersPhase 1
Safety and Pharmacokinetics Study of PGT121.414.LS Alone and in Combination With VRC07-523LS in Infants Exposed to HIV-1
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Aurora, CO + 4 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersEarly Phase 1
Efficacy of Combined Ibuprofen and Acetaminophen Therapy Versus Ibuprofen Alone Versus Placebo Alone for Pain Management
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 12–80
- RecruitingHealthy volunteersPhase 1/Phase 2
Advair HFA in Healthy and HAPE Predisposed Subjects
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 1
Maternal Choline Supplementation and Cannabis Use During Pregnancy: Impact on Early Brain Development
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteersPhase 3
A Study to Learn About How a New Pneumococcal Vaccine Works in Infants.
Pfizer
- Location
- Aurora, CO + 101 other US sites
- Eligibility basics
- Ages 1 mo–7 mo
- RecruitingHealthy volunteers
Nellcor™ Investigational Device Sitting-Walking Study
Medtronic - MITG
- Location
- Denver, CO
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 3
A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose
Pfizer
- Location
- Aurora, CO + 76 other US sites
- Eligibility basics
- Ages 0 mo+
- RecruitingHealthy volunteers
ProACT Post-Approval Study
Uromedica
- Location
- Denver, CO + 13 other US sites
- Eligibility basics
- Ages 50+ · Men only
- RecruitingHealthy volunteers
Observational Study of Decentralized Urine Optical Interaction Patterns Associated With Environmental Microplastic and Nanoplastic Exposure
Ecotera Health LLC
- Location
- Denver, CO + 50 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Randomized Comparison of Stage-Based Care Versus Risk Factor-Based Care for Prevention of Cardiovascular Events
Cleerly, Inc.
- Location
- Aurora, CO + 121 other US sites
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteersPhase 3
BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies
Pfizer
- Location
- Aurora, CO + 111 other US sites
- Eligibility basics
- Ages 0 mo–49
- RecruitingHealthy volunteersPhase 3
A Study on the Efficacy of a Vaccine Against Influenza in Adults ≥65 Years of Age
GlaxoSmithKline
- Location
- Aurora, CO + 130 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
OBPM_PANDA2026: Evaluation of the Performance and Safety of the Aktiia Periodic Optical Blood Pressure Monitoring Device
Aktiia SA
- Location
- Broomfield, CO
- Eligibility basics
- Ages 22–59
- RecruitingHealthy volunteers
Longevity Metrics AI/ML Development Study
Longevity Metrics, Inc.
- Location
- Boulder, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
100-Year Human Aging Study
Longevity Metrics, Inc.
- Location
- Boulder, 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.