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
Comparison of Ultrasound and Anatomic Landmark Techniques of the Ulnar and Posterior Tibial Nerves
Mayo Clinic
- Location
- Jacksonville, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Fall Prevention Pathways
Emory University
- Location
- Atlanta, GA
- Eligibility basics
- Ages 65–85
- RecruitingHealthy volunteers
Magnetic Resonance Imaging (MRI) to Evaluate Activity of Multiple Sclerosis (MS)
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
A Longitudinal Study of Familial Hypereosinophilia (FE): Natural History and Markers of Disease Progression
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1–100
- RecruitingHealthy volunteers
Apheresis to Obtain Plasma or White Blood Cells for Laboratory Studies
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Personalized Environment and Genes Study
National Institute of Environmental Health Sciences (NIEHS)
- Location
- Chapel Hill, NC + 1 other US site
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Clinical Applications of Advanced Ophthalmic Imaging
University of Miami
- Location
- Miami, FL
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Taste Bud-Derived Stem Cells in Humans
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Fully Automated High-Throughput Quantitative MRI of the Liver
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 7+
- RecruitingHealthy volunteers
Home Exercise for Individuals With Neurodegenerative Disease
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
- Location
- Baltimore, MD
- Eligibility basics
- Ages 5–75
- RecruitingHealthy volunteers
Cerebrovascular Health and Resilience in Midlife
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 40–59
- RecruitingHealthy volunteers
Controlling Locomotion Over Continuously Varying Activities for Agile Powered Prosthetic Legs
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Cross-Sectional Evaluation of Persistence of SARS-CoV-2 Remnants After Recovery From Acute Infection
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–110
- RecruitingHealthy volunteers
Multilevel Action Toward Colorectal Cancer and Hepatitis C Education and Screening
H. Lee Moffitt Cancer Center and Research Institute
- Location
- Tampa, FL
- Eligibility basics
- Ages 45–75
- RecruitingHealthy volunteers
A Study of Breast Cancer Risk Factors and Outcomes of People in Florida
Memorial Sloan Kettering Cancer Center
- Location
- Miami, FL + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Kentucky Women's Justice Community Overdose Innovation Network - Phase II
Michele Staton
- Location
- Barbourville, KY + 2 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Precision Supplemental Imaging in Women With Dense Breasts
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 25–55 · Women only
- RecruitingHealthy volunteers
Muscle Aging Phenotypes in Childhood Cancer Survivors
St. Jude Children's Research Hospital
- Location
- Memphis, TN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cooking Health-Oriented Meals to Prevent Dementia and Diabetes
Virginia Polytechnic Institute and State University
- Location
- Blacksburg, VA
- Eligibility basics
- Ages 50–75
- RecruitingHealthy volunteers
PROSPECT Registry for Individuals at Risk for Genetic Prion Disease
Brian Appleby
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effects of Beef-Forward Ready-to-Eat Meals on Recovery Following Simulated Fire Suppression Activities
Sam Houston State University
- Location
- Fort Worth, TX + 1 other US site
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
A Study Of Augmented Reality Real-Time Guidance With In-situ Feedback
Mayo Clinic
- Location
- Jacksonville, FL
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Imaging Assessment of Swallowing and Speech Muscles in Inclusion Body Myositis
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Transdiagnostic Cognitive Biomarkers
University of Minnesota
- Location
- Minneapolis, MN
- 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.