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 Use of Risk Prediction to Identify Patients at Risk for Chronic Kidney Disease: Patient and Provider Interventions for Patients at High Risk for Chronic Kidney Disease
Kaiser Permanente
- Location
- Portland, OR
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Supplementation of Cholecalciferol and Related Active Metabolites Through Bioenhancing Layer's Eggs
Cornell University
- Location
- Ithaca, NY
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Human Movement Database
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1 mo–99
- RecruitingHealthy volunteers
Evaluation of Patients With Mood and Anxiety Disorders and Healthy Volunteers
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–99
- RecruitingHealthy volunteers
Clinical, Laboratory, and Epidemiologic Characterization of Individuals and Families at High Risk of Melanoma
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 1 mo–99
- RecruitingHealthy volunteers
Tissue Procurement for Biomedical Research
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Natural History of Bronchiectasis
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 5–100
- RecruitingHealthy volunteersPhase 4
Improving White Blood Cell Collection From Healthy Donors
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Genetic Characterization of Movement Disorders and Dementias
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Natural History, Pathogenesis and Outcome of Melorheostosis A Rare Osteosclerotic Disease
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Photoacoustic Imaging of the Breast in Patients With Breast Cancer and Healthy Subjects
Roswell Park Cancer Institute
- Location
- Buffalo, NY
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Collection of Human Biospecimens for Basic and Clinical Research Into Globin Variants
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Clinical, Genetic, and Epidemiologic Study of Children and Adults With RASopathies
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 1 mo–99
- RecruitingHealthy volunteers
Efficacy of mHealth Apps for Health in a Low-income, Type II Diabetic, Hispanic Population
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteers
Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection
Alliance for Clinical Trials in Oncology
- Location
- Anchorage, AK + 612 other US sites
- Eligibility basics
- Ages 40–75
- RecruitingHealthy volunteers
Exercise in Child Health
University of California, Irvine
- Location
- Irvine, CA
- Eligibility basics
- Ages 10–17
- RecruitingHealthy volunteers
Efficacy of Using Mobile Health Applications for Health
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteers
State-dependent Interoception, Value-based Decision-making, and Introspection
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Case Management Dyad
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Ultra-Low Field (ULF) Point-of-Care (POC) MRI System for Brain Morphology and Pathology
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–99
- RecruitingHealthy volunteers
Smoking Cessation CM for Veterans With or at Risk for Cancer
VA Office of Research and Development
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Dental Implant Healing With TNF-Alpha Inhibitors
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Promoting Physical Activity and Fitness Among Underserved Latino Families Living in U.S.-Mexico Border Regions
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 6+
- RecruitingHealthy volunteersPhase 4
Role of Menopause in Thermoregulation
Penn State University
- Location
- University Park, PA
- Eligibility basics
- Ages 42–64 · Women only
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.