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
DXA Study of Precision and Reliability
Penn State University
- Location
- University Park, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Reactive Balance Training for Fall Prevention
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteersPhase 2
Longitudinal Imaging of Microglial Activation in Different Clinical Variants of Alzheimer's Disease
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Natural History, Epidemiology and Pathogenesis of Severe HPV-Related Diseases (Neptune)
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–100
- RecruitingHealthy volunteers
Immunomodulatory Effects of Fasting in Healthy Adults
University of California, Davis
- Location
- Sacramento, CA
- Eligibility basics
- Ages 20–40
- RecruitingHealthy volunteersPhase 2
Pharmaceutically-Enhanced Reinforcement for Reduced Alcohol and Smoking
Washington State University
- Location
- Spokane, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
CIMR Neuromuscular Research Biobank
Virginia Commonwealth University
- Location
- Richmond, VA
- Eligibility basics
- Up to age 75
- RecruitingHealthy volunteers
Gender Disparities in Voice Outcomes After Tracheoesophageal Puncture in Total Laryngectomy Patients (UC Davis)
University of California, Davis
- Location
- La Jolla, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effects of Breathing and Attention Training (BAT) on Pain Modulation
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Young Adult Tobacco/Nicotine and Cannabis Co-use
Medical University of South Carolina
- Location
- Charleston, SC
- Eligibility basics
- Ages 18–25
- RecruitingHealthy volunteers
An Intervention Mapping Approach to Closing the Gap in Maternal OUD and Infant NAS Care (SUPPORT)
University of Pennsylvania
- Location
- Philadelphia, PA + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Brain Blood Vessel Responses to Changes in Blood Flow: Younger Cohort
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 20–40
- RecruitingHealthy volunteers
Digitally Delivered Child Obesity Prevention for Parents in Home Visiting Programs
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 16–65
- RecruitingHealthy volunteers
Feasibility of Breathwork Intervention With Older Adults After Knee Surgery
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Kentucky - Quality Improvement Implementation Lung Cancer Screening (QUILS™) Health Services Research Intervention
Timothy Mullett
- Location
- Ashland, KY + 16 other US sites
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Upper vs Lower Extremity BP in Spinal Cesarean Using ClearSight
Ohio State University
- Location
- Columbus, OH
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Genetic and Environmental Risk Factors for Hemorrhagic Stroke
State University of New York at Buffalo
- Location
- Louisville, KY + 4 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Supportive Care Needs of Caregivers of People With Erdheim-Chester Disease and Other Histiocytic Diseases
Memorial Sloan Kettering Cancer Center
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Ocular Blood Flow Imaging for Glaucoma Assessment
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–88
- RecruitingHealthy volunteers
State of Hormones Impact Nociceptive Expression
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Neural and Metabolic Factors in Carbohydrate Reward
Virginia Polytechnic Institute and State University
- Location
- Roanoke, VA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
19F MRI in Healthy Children and Children With Mild Cystic Fibrosis Lung Disease
University of North Carolina, Chapel Hill
- Location
- Chapel Hill, NC
- Eligibility basics
- Ages 6–17
- RecruitingHealthy volunteers
Targeted Navigation in Hepatocellular Carcinoma (HCC)
University of Miami
- Location
- Miami, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Mirtazapine for the Treatment of Methamphetamine Use in Opioid Use Disorder Patients Receiving Medication Assisted Treatment
Washington State University
- Location
- Spokane, WA
- 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.