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
ED Medicaid Support
Hackensack Meridian Health
- Location
- Hackensack, NJ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
PCOS and Brain Health
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Measurement and Determinants of Diet Quality in Older Adults
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteers
Limited Ankle Dorsiflexion and Effect on Single Limb Squats in Individuals With Patellofemoral Pain
Loma Linda University
- Location
- Loma Linda, CA
- Eligibility basics
- Ages 18–59 · Women only
- RecruitingHealthy volunteers
Improving the Mental Health of Home Health Aides
Weill Medical College of Cornell University
- Location
- New York, NY + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Tool for Improving the Shared Decision-making Process in Patients With Non-small Cell Lung Cancer
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Validation of DNA Methylation Markers for Universal and Site-specific Guided Cancer Detection, VANGUARD Study
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
NOrthwestern Tempus AI-enaBLed Electrocardiography (NOTABLE) Trial
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Evaluation of Low and High Nicotine Tobacco Free Nicotine Pouches
Medical University of South Carolina
- Location
- Charleston, SC
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Medical Marijuana and Open Road Driving Task
Florida State University
- Location
- Gainesville, FL + 1 other US site
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Improving the Heart Health of Home Health Aides
Weill Medical College of Cornell University
- Location
- New York, NY + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluation of Toothbrush Bristles
State University of New York at Buffalo
- Location
- Buffalo, NY
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Exercise Cardiovascular Magnetic Resonance In Heart Failure With Preserved Ejection Fraction
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Caring for Dementia Caregivers in Ethnic Immigrant Communities
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Ejaculatory-Sparing HoLEP vs Standard HoLEP
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–100 · Men only
- RecruitingHealthy volunteers
Active Versus Passive Sitting, Cognition and Energy
University of Miami
- Location
- Coral Gables, FL
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
AI-Based Personalized Exercise Prescription Through Mobile Health on Physical Activity and Health Outcomes in Older Adults: A Feasibility Study
The University of Tennessee, Knoxville
- Location
- Knoxville, TN
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Cerebrovascular Reactivity Measurements With High-Density Diffuse Optical Tomography
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 6–70
- RecruitingHealthy volunteersPhase 4
Evaluation of Filler Injection for Chin Profile Enhancement
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 22–55
- RecruitingHealthy volunteersPhase 4
Pimavanserin vs. Quetiapine for Treatment of Parkinson's Psychosis
VA Office of Research and Development
- Location
- Loma Linda, CA + 8 other US sites
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Dysfunctional Myelopoiesis and Myeloid-Derived Suppressor Cells in Sepsis
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Pain Processing in Inflammatory and Non-Inflammatory Chronic Pain Syndromes
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Ketone Ester and Salt (KEAS) in Young Adults
Indiana University
- Location
- Bloomington, IN
- Eligibility basics
- Ages 19–39
- RecruitingHealthy volunteers
Brain Organization, Development, and Response to Intervention in Individual Neonates
Washington University School of Medicine
- Location
- Minneapolis, MN + 1 other US site
- Eligibility basics
- Any age listed
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.