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
Survey to Determine Incarcerated Persons' Views on Surrogate Decision Making
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Mechanistic Validation of Human Multipolar TES-TI: Amplitude Modulation, Frequency, and Benchmarking
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Metabolic Impact of VLCPUFA-Rich Fish Oil: A Clinical Study on Omega-3 Index Enhancement in Healthy Individuals
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Neural Mechanisms of Real-world Emotions and Internalizing
University of Miami
- Location
- Coral Gables, FL
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Fathers and Babies (FAB) Research Study
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Comprehensive Clinical, Microbiological and Immunological Assessment of Patients With Suspected Post Treatment Lyme Disease Syndrome and Selected Control Populations
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 13–99
- RecruitingHealthy volunteers
A Longitudinal Investigation of the Endocrine and Neurobiologic Events Accompanying Puberty
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 7–35
- RecruitingHealthy volunteers
Clinical and Genetic Studies of Li-Fraumeni Syndrome
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Studies of the Natural History, Pathogenesis, and Outcome of Idiopathic Systemic Vasculitis
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3+
- RecruitingHealthy volunteers
Maternal Cancer Diagnosis and Treatment During Pregnancy:a Database for Maternal, Fetal, and Neonatal Outcomes
The Cooper Health System
- Location
- Camden, NJ
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteers
Characterization and Treatment of Adolescent Depression
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 11–25
- RecruitingHealthy volunteers
Improving Glycemic Control With Electrical Stimulation
University of Texas, El Paso
- Location
- El Paso, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
ChangeGradients: Promoting Adolescent Health Behavior Change
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 15–17
- RecruitingHealthy volunteers
Connect for Cancer Prevention Study (Connect)
National Cancer Institute (NCI)
- Location
- Denver, CO + 8 other US sites
- Eligibility basics
- Ages 30–70
- RecruitingHealthy volunteers
MATAspire: Mental Health Awareness Tailored App for Substance Prevention and Integrated Resilience Education
California State University, Northridge
- Location
- Northridge, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
STEPS: Substance Use Trial of E-cigarettes or Pharmacotherapy for Smoking
Medical University of South Carolina
- Location
- Charleston, SC + 3 other US sites
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Acute Cryotherapy on Musculoskeletal Function and Biomarkers
University of Texas, El Paso
- Location
- El Paso, TX
- Eligibility basics
- Ages 18–30
- RecruitingHealthy volunteers
Impact of Phenylalanine Elevations on Brain and Cognition in Adult PKU Carriers
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
NIRS Monitoring in the NICU and AKI
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 6 mo–7 mo
- RecruitingHealthy volunteers
Coaching and Leadership in Autism Support Settings
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteers
Palatal Wound Healing After Free Gingival Graft Harvest in Diabetic Patients: A Clinical Trial
Mauro Santamaria
- Location
- Lexington, KY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Rise & Thrive: Community-Engagement Intervention for Stress and Depression in Youth.
Ann & Robert H Lurie Children's Hospital of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 15–20
- RecruitingHealthy volunteers
Repetitive Transcranial Magnetic Stimulation on Motor Function and Meta-Plasticity in Cerebral Palsy: TMS-EEG Study
Cook Children's Health Care System
- Location
- Fort Worth, TX
- Eligibility basics
- Ages 6–20
- RecruitingHealthy volunteers
Developing and Implementing HPV SCREENED
Rutgers, The State University of New Jersey
- Location
- New Brunswick, NJ
- Eligibility basics
- Ages 30–65 · 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.