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
Triage Survey for Neurology Research Eligibility
Adams Clinical
- Location
- Watertown, MA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Gamma-Music Based Intervention for Mild Alzheimer's Disease
Northeastern University
- Location
- Boston, MA
- Eligibility basics
- Ages 50–95
- RecruitingHealthy volunteers
Open Access Database of Standing Full Body Radiographs in Asymptomatic Volunteers
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 21–85
- RecruitingHealthy volunteers
Operant Conditioning of the Soleus Stretch Reflex in Adults With Cerebral Palsy
Burke Medical Research Institute
- Location
- White Plains, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 3
Intra-operative Loop Diuretics to Improve Same-day Discharge Rates After HoLEP
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–89 · Men only
- RecruitingHealthy volunteers
Adherence to Different Exercise Interventions
California Polytechnic State University-San Luis Obispo
- Location
- San Luis Obispo, CA
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Cardiac Magnetic Resonance Imaging (MRI) Normal Reference Control Group Testing
Cedars-Sinai Medical Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 35–65 · Women only
- RecruitingHealthy volunteers
Development of a Novel Stress Testing Protocol to Define the Relationship Between Coronary Microvascular Dysfunction and Diastology in Women With Angina But No Evidence of Obstructive Coronary Artery Disease
Cedars-Sinai Medical Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–60 · Women only
- RecruitingHealthy volunteers
IOP Elevation Study
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteersPhase 2
Improving Therapeutic Learning for PTSD
University of Wisconsin, Madison
- Location
- Austin, TX
- Eligibility basics
- Ages 21–50 · Women only
- RecruitingHealthy volunteers
Exploring the Nature, Assessment and Treatment of Stuttering
University of Texas at Austin
- Location
- Austin, TX
- Eligibility basics
- Ages 2–85
- RecruitingHealthy volunteers
Activity Restrictions After Inguinal Hernia Repair
VA Eastern Colorado Health Care System
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Strawberry Candy Twists as an Alternative Screen for Gestational Diabetes: A Prospective Trial
Baylor College of Medicine
- Location
- Houston, TX
- Eligibility basics
- Ages 18–64 · Women only
- RecruitingHealthy volunteers
Keeping it LITE: Exploring HIV Risk in Vulnerable Youth With Limited Interaction and Digital Health Intervention
Hektoen Institute for Medical Research
- Location
- Chicago, IL
- Eligibility basics
- Ages 13–34
- RecruitingHealthy volunteers
Neuroimaging Biomarkers for Predicting rTMS Response in OCD
Stanford University
- Location
- Stanford, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
The PCOS Challenge Study
PCOS Challenge: The National Polycystic Ovary Syndrome Association
- Location
- Bethesda, MD
- Eligibility basics
- Ages 12–80 · Women only
- RecruitingHealthy volunteers
Progression of Gastroesophageal Reflux Disease and Barrett's Esophagus and the Creation of a Barrett's Registry
Midwest Biomedical Research
- Location
- Kansas City, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
TRANBERG® Transperineal MR/US Fusion Laser--Induced Thermal Therapy for Men With Prostate Cancer
Urological Research Network, LLC
- Location
- Hialeah, FL
- Eligibility basics
- Ages 50–80 · Men only
- RecruitingHealthy volunteers
Blood Samples for the Study of Peanut, Tree Nut and Other Food Allergies
University of Colorado, Denver
- Location
- Denver, CO
- Eligibility basics
- Ages 1–75
- RecruitingHealthy volunteers
GABA Biomarkers in Dravet Syndrome
Cook Children's Health Care System
- Location
- Fort Worth, TX
- Eligibility basics
- Up to age 18
- RecruitingHealthy volunteers
Rady Children's Institute Genomic Biorepository
Rady Pediatric Genomics & Systems Medicine Institute
- Location
- San Diego, CA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Contrast-enhanced Spectral Mammography (CESM) Breast Cancer Screening
University of Virginia
- Location
- Charlottesville, VA
- Eligibility basics
- Ages 40–69 · Women only
- RecruitingHealthy volunteers
Critical Health Assessment and Outcomes Score/Study
Johns Hopkins University
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Comparing Mobile Health Strategies to Improve Pre-exposure Prophylaxis Use (PrEP) for HIV Prevention
Public Health Foundation Enterprises, Inc.
- Location
- San Francisco, CA + 2 other US sites
- Eligibility basics
- Ages 15+
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.