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
A Repository to Study Host-Microbiome Interactions in Health and Disease
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Prognostic Value of Hyperpolarized 13C MRI for Clinical Myocardial Viability
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 20–80
- RecruitingHealthy volunteers
Physical Activity to Mitigate PreEclampsia Risk
East Carolina University
- Location
- Greenville, NC
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteers
Study to Understand Novel Biomarkers in Researching Dementia
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteersPhase 2
A Phase 2 Study Evaluating Olutasidenib in Patients With IDH1-mutated Clonal Cytopenia of Undetermined Significance and Lower-risk Myelodysplastic/Syndromes/Chronic Myelomonocytic Leukemia.
M.D. Anderson Cancer Center
- Location
- Miami, FL + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
MAMA Tot - Healthy Weight Parallel Study
East Carolina University
- Location
- Greenville, NC
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteers
A Neurosensory Account of Anxiety and Stress (Study 2)
The University of Texas Health Science Center, Houston
- Location
- Houston, TX
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Temporal Interference Methods for Addiction Treatment
Indiana University
- Location
- Bloomington, IN + 1 other US site
- Eligibility basics
- Ages 21–50
- RecruitingHealthy volunteers
Designing a Spatial Navigation Intervention Protocol Informed by Region-specific Brain Activation for Mild Cognitive Impairment
Albert Einstein College of Medicine
- Location
- Manhattan, NY + 1 other US site
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Validation of NAD+ Measurements for Human Clinical Studies
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18–110
- RecruitingHealthy volunteers
Randomized Controlld Trial of Dementia Education Resources for Action
George Mason University
- Location
- Fairfax, VA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Temporal Interference Methods for Non-invasive Deep Brain Stimulation, Study 1.3
Indiana University
- Location
- Bloomington, IN
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Phase Resolved Functional Lung MRI and Oscillometry for the Observation of Healthy Lung Function
University of Rochester
- Location
- Rochester, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Impact of Peanut Consumption on Stress, Immune Function, Inflammation, and Cardiovascular Health in High-Stress Individuals
USDA, Western Human Nutrition Research Center
- Location
- Davis, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Project SHIELD 2.0: Police Education to Support Public Health in Kentucky
Johns Hopkins Bloomberg School of Public Health
- Location
- Lexington, KY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Immune Monitoring and Assay Development in Organ Transplant Recipients
Emory University
- Location
- Atlanta, GA + 1 other US site
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Acute Infection in Mitochondrial Disease: Metabolism, Infection and Immunity
National Human Genome Research Institute (NHGRI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2 mo–115
- RecruitingHealthy volunteers
The Effects of Terrain Variation on Intrinsic Foot Musculature in Healthy Individuals and Individuals With Plantar Fasciitis
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Personalized Perioperative Analgesia Platform (PPAP) for Cesarean Section
Senthil Sadhasivam
- Location
- Indianapolis, IN + 2 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
The Effects of Medicaid Policy Interventions on Severe Maternal Morbidity
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
The Early Childhood Friendship Project - Phase 3
State University of New York at Buffalo
- Location
- Buffalo, NY
- Eligibility basics
- Ages 4–6
- RecruitingHealthy volunteers
Families Moving Forward (FMF) Connect Pro for Mental Health Providers
University of Rochester
- Location
- Rochester, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effect of Visual Retraining After Stroke
University of Rochester
- Location
- Rochester, NY
- Eligibility basics
- Ages 21–80
- RecruitingHealthy volunteers
Increasing Equity in Lung Cancer Screening
Indiana University
- Location
- Indianapolis, IN
- Eligibility basics
- Ages 50–80
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.