Core: healthy volunteers
Studies for healthy volunteers recruiting now
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.
5,002 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
The Parkinson's Genetic Research Study
University of Washington
- Location
- Atlanta, GA + 4 other US sites
- Eligibility basics
- Ages 18+
- 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
Effectiveness of Dual Light Electric Toothbrush vs. Manual Toothbrush in Orthodontic Patients Undergoing Oral Surgery
Children's Hospital Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 6–20
- RecruitingHealthy volunteers
Smart Eyewear to Automatically Detect Drug Delivery Events
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Function of Biphasic Sleep in Infants
University of Massachusetts, Amherst
- Location
- Amherst, MA
- Eligibility basics
- Ages 10 mo–1
- RecruitingHealthy volunteers
Reaching Out to Distressed Medical Residents, Fellows and Faculty
Oregon Health and Science University
- Location
- Portland, OR
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
MyVHL: Patient Natural History Study
Joshua Mann, MPH
- Location
- Boston, MA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Wound Irrigation Comparative Effectiveness Study
Orthopaedic Education and Research Institute (dba Hoag Orthopedics)
- Location
- Orange, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Acoustic Stimulation During Restricted Sleep After Sleep Deprivation
Walter Reed Army Institute of Research (WRAIR)
- Location
- Silver Spring, MD
- Eligibility basics
- Ages 18–39
- RecruitingHealthy volunteers
The Preeclampsia Registry
Preeclampsia Foundation
- Location
- Melbourne, FL
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteers
Diabetes Reversal Online Program and Study (DROP Study)
Physicians Committee for Responsible Medicine
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 18+
- 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
POWERMOM, A Healthy Pregnancy Research Community
Scripps Translational Science Institute
- Location
- La Jolla, CA
- Eligibility basics
- Ages 16+ · Women only
- RecruitingHealthy volunteers
MyGeneRank: A Digital Platform for Next-Generation Genetic Studies
Scripps Translational Science Institute
- Location
- La Jolla, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Impact of Removal of Exercise on Glycemic Control and Vascular Health in Older Active Adults
Old Dominion University
- Location
- Norfolk, VA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Comparing the Stanford Letter Project Form to Traditional Advance Directives
Stanford University
- Location
- Stanford, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Total Intravenous Versus Inhalational Anesthesia- A Geriatric Anesthesia Study
Oregon Health and Science University
- Location
- Portland, OR
- Eligibility basics
- Ages 70–110
- RecruitingHealthy volunteers
Sleep and Metabolism
Oregon Health and Science University
- Location
- Portland, OR
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Human Blood Cell Disorders Tissue Bank
Northwell Health
- Location
- Manhasset, NY
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteersPhase 4
Use of Prophylactic Antibiotics Prior to OnabotulinumtoxinA
Atlantic Health System
- Location
- Morristown, NJ
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Effect of Beet-root Juice and PBM Treatments on Muscle Fatigue
Wake Forest University
- Location
- Winston-Salem, NC
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Testing Tactile Aids With Blind Subjects
University of Delaware
- Location
- Newark, DE
- Eligibility basics
- Ages 16+
- RecruitingHealthy volunteers
COMPASS Across Settings (CAST) for Improving Transition Outcomes for Students With ASD
Ball State University
- Location
- Muncie, IN
- Eligibility basics
- Ages 16–99
- RecruitingHealthy volunteers
DNA Methylation Markers in Veterans Exposed to Open Burn Pits
Central Arkansas Veterans Healthcare System
- Location
- North Little Rock, AR
- Eligibility basics
- Ages 25–70
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.