Healthy volunteer studies in Boulder, CO
16 studies at sites in and around Boulder accept healthy volunteers — people without the condition being studied. Many studies pay participants for their time and travel; the amount is set by each study, so ask the study team.
Longevity Metrics AI/ML Development Study
RecruitingObservational studyHealthy volunteers welcome
- Longevity Metrics, Boulder
100-Year Human Aging Study
RecruitingObservational studyHealthy volunteers welcome
- Longevity Metrics, Boulder
Health Ahead Comparative Effectiveness Study
RecruitingHealthy volunteers welcome
- Longevity Metrics, Boulder
Human Observatory Study
RecruitingObservational studyHealthy volunteers welcome
- Longevity Metrics, Boulder
The Vanguard Study: Testing a New Way to Screen for Cancer
RecruitingHealthy volunteers welcome
- Kaiser Permanente-Rock Creek, Lafayette · 10 mi away
Data Collection Study Using CS (CardiacSense) BP (Blood Pressure) Watch and Pillow Systems
RecruitingHealthy volunteers welcome
- Element Boulder Avista Adventist Hospital Plaza, Louisville · 8 mi away
Cannabis Observations on Brain Waves, Retrieval, and Attention: Experiment 4
RecruitingObservational studyHealthy volunteers welcome
- Center for Innovation and Creativity (CINC), Boulder
Pathophysiology of Circadian Rhythm Delayed Sleep Wake Phase Disorder
RecruitingHealthy volunteers welcome
- University of Colorado, Boulder
Biomarkers for Peripheral Circadian Clocks in Humans
RecruitingHealthy volunteers welcome
- Sleep and Chronobiology Laboratory, Boulder
Exercise Adherence and Cognitive Decline: Phase 2
RecruitingHealthy volunteers welcome
- Recreation Centers in the Boulder Area, Boulder
Studies of Human Inference Using On-line Testing
RecruitingHealthy volunteers welcome
- University of Colorado Boulder, Boulder
Adipocyte-Derived Extracellular Vesicles, Weight Loss, and Endothelial Function
RecruitingHealthy volunteers welcome
- University of Colorado Boulder Clinical and Translational Research Center (CTRC), Boulder
Inspiratory Muscle Strength Training for Lowering Blood Pressure and Improving Endothelial Function in Postmenopausal Women: Comparison With "Standard of Care" Aerobic Exercise
RecruitingHealthy volunteers welcome
- Integrative Physiology of Aging Laboratory, Boulder
Perceptual Influences From Smoking Cannabis: an Experimental Study
RecruitingHealthy volunteers welcome
- University of Colorado at Boulder, Boulder
Passive Heat Therapy for Lowering Systolic Blood Pressure and Improving Vascular Function in Mid-life and Older Adults
RecruitingHealthy volunteers welcome
- University of Colorado Boulder, Boulder
Evaluation of SUMMIT BRUSH in Treatment of Blepharitis
RecruitingHealthy volunteers welcome
- University of Colorado, Boulder
From ClinicalTrials.gov, data retrieved Oct 5, 2026. Each study sets its own eligibility; the study team decides who can join.