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 volunteersPhase 2/Phase 3
Dissolved Phase HXe-129 MRI: A Novel Biomarker to Quantify Pulmonary Pathology
Y. Michael Shim, MD
- Location
- Durham, NC + 1 other US site
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Virtual Reality for ICU Delirium Prevention
Cedars-Sinai Medical Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Sleep Well Firefighters: An App-based Program to Improve Sleep, Cognition, and Behavioral Health in Firefighters
California Polytechnic State University-San Luis Obispo
- Location
- San Luis Obispo, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Heart Institute Biobank & Registry for Adult Congenital Heart Disease and Related Disorders
Children's Hospital Medical Center, Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 16+
- RecruitingHealthy volunteers
Influenza Immunization in Adults Over Age 75
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 75+
- RecruitingHealthy volunteers
PPROM Registry (Preterm Premature Rupture of Membranes)
American Alliance for pProm Support
- Location
- Denver, CO
- Eligibility basics
- Ages 14–55 · Women only
- RecruitingHealthy volunteers
Genetics Of Autoimmunity In Type I Diabetes
Medical College of Wisconsin
- Location
- Milwaukee, WI
- Eligibility basics
- Ages 2+
- RecruitingHealthy volunteers
Shear-wave Elastography Compared to Respiratory Function Testing
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Delivering Evidence-Based Parenting Services to Families in Child Welfare Using Telehealth
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Linking Somatic Mutation Rate With Baseline Exposure in East Palestine
Case Comprehensive Cancer Center
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evidence-based Intervention to Improve Walking Engagement in El Paso, Texas
University of Texas, El Paso
- Location
- El Paso, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Bedtime Stories: Tailored Sleep Health Messaging for Caregivers
Boston Children's Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Data2Action Oregon Project: Supporting Data-driven Decision-Making for Substance Use Services, Policy, and Overdose Prevention
Chestnut Health Systems
- Location
- Eugene, OR
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Psychobiological Responses Following Exercise and Brain Stimulation
Virginia Commonwealth University
- Location
- Richmond, VA
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersPhase 4
Safety of RSV Preventive Monoclonal Antibody
Duke University
- Location
- Oakland, CA + 4 other US sites
- Eligibility basics
- Ages 1 mo–7 mo
- RecruitingHealthy volunteers
Eatwell Clinical Trial (R01)
Drexel University
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effects of Creatine Supplementation on Cognitive Measures and Markers of Acute Kidney Injury After Exercise in the Heat
University of Northern Iowa
- Location
- Cedar Falls, IA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Project HOPEFUL: A PN-RCT With Implementation Science
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
Treatment of Ocular Discomfort in Glaucoma Patients Using Multiple Topical Medications
University of California, Los Angeles
- Location
- Fountain Valley, CA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Examining Lateralized Aspects of Motor Control Using Non-invasive Neural Stimulation
Virginia Commonwealth University
- Location
- Richmond, VA
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Risk Assessment Evaluation for Identifying Participants at High Risk for Stomach Cancer
City of Hope Medical Center
- Location
- Duarte, CA
- Eligibility basics
- Ages 40–80
- RecruitingHealthy volunteers
Physical Exam, Static & Dynamic Ultrasound Assessment, & Treatment of Thoracolumbar Fascia (TLF) Mediated Low Back Pain
Edward Via Virginia College of Osteopathic Medicine
- Location
- Blacksburg, VA
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Dementia Caregivers' Link to Assistance and Resources
Visiting Nurse Service of New York
- Location
- New York, NY
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
ACT Lung Health Intervention: Phase Two
Dana-Farber Cancer Institute
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 18–100
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.