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
Overcoming the Barriers to Effective Transcranial Temporal Interference Stimulation in Humans
Northeastern University
- Location
- Boston, MA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Prostate Cancer Screening for People at Genetic Risk for Aggressive Disease, PATROL Study
University of Washington
- Location
- Duarte, CA + 6 other US sites
- Eligibility basics
- Ages 40+ · Men only
- RecruitingHealthy volunteers
Oxalate-Driven Host Responses in Kidney Stone Disease
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Early Detection of Vaping-related Vascular Diseases
University of Miami
- Location
- Miami, FL
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Extending Prostate Genetic Awareness, Navigation, and Delivery: The EXPAND Network
Thomas Jefferson University
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteers
Virtual Physical Therapy Support for Runners
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Detection of EEG-Based Biomarkers of Chronic Low Back Pain
Stanford University
- Location
- Palo Alto, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 3
Community-based Smoking Cessation Treatment for Adults With High Stress Sensitivity.
Jasper A. Smits
- Location
- Austin, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effect of Weight Loss on Intermuscular Adipose Tissue (IMAT) Signaling
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Developing a Scalable Tobacco Cessation Program for Cancer Survivors and Caregivers
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Pediatric Neuroimaging
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 9–14
- RecruitingHealthy volunteers
Aerodynamic Measurements in the Pediatric Population
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 4–65
- RecruitingHealthy volunteers
Prevention of Psychological Health Problems Via Integrated Operational Support
New York University
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Sex Differences in Cold-Induced Changes in Maximal Fat Oxidation
Colorado State University
- Location
- Fort Collins, CO
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Pathways to Prevention Food-is-Medicine Trial
Amrik Singh Khalsa
- Location
- Columbus, OH
- Eligibility basics
- Ages 6+
- RecruitingHealthy volunteers
Adaptability of an Undetectable = Untransmissible Model for HBV
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Promoting Radon Testing Among Mothers of Young Children
University of North Dakota
- Location
- Bismarck, ND + 1 other US site
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Genes and Environment in Multiple Sclerosis
Columbia University
- Location
- Bethesda, MD + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Comparison of Patient-reported Pain After Initial Archwire Placement
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 12+
- RecruitingHealthy volunteers
Stress Phenotypes and Preterm Birth
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Miniscrew Stability and Peri-implant Inflammation When Precoated K21 vs Ethanol Control
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 12+
- RecruitingHealthy volunteers
Variations in Ketone Metabolism
Ohio State University
- Location
- Novato, CA + 1 other US site
- Eligibility basics
- Ages 20–70
- RecruitingHealthy volunteers
Healthy Little Eyes
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Up to age 3
- RecruitingHealthy volunteers
An Emergency Department (ED) Provider Centered Intervention for Non-Traumatic Dental Condition Management (NTDC)
University of Florida
- Location
- Gainesville, FL
- 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.