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
Comparison of Immediate Changes in Cervical Range of Motion Following Cervical Extension and Downslip Mobilizations.
Missouri State University
- Location
- Springfield, MO
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Childhood Cancer Survivor Study
St. Jude Children's Research Hospital
- Location
- Birmingham, AL + 26 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
In Vivo Real-time Detection of Circulating Melanoma Cells
University of Arkansas
- Location
- Little Rock, AR
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Effects of Systematic Cervical Exam Training on Labor and Delivery Care
Wake Forest University Health Sciences
- Location
- Winston-Salem, NC
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Optical Coherence Tomography Angiography in Subjects With Retinal Vascular Disease
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Mechanisms and Predictors of Change in App-Based Mindfulness Training for Adolescents
Mclean Hospital
- Location
- Belmont, MA
- Eligibility basics
- Ages 13–18
- RecruitingHealthy volunteers
A Study to Analyze the Role of Sympathetic Nervous System in Spontaneous Coronary Artery Dissection
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Tracking a Tactile Signal Along the Nervous System
Virginia Polytechnic Institute and State University
- Location
- Blacksburg, VA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Biomarkers for Peripheral Circadian Clocks in Humans
University of Colorado, Boulder
- Location
- Boulder, CO
- Eligibility basics
- Ages 17–35
- RecruitingHealthy volunteers
Behavioral Activation and Risk Reduction for Stimulant Use Among Sexually Active Adolescents and Young Adults
Westat
- Location
- Los Angeles, CA + 1 other US site
- Eligibility basics
- Ages 16–24
- RecruitingHealthy volunteers
Pathophysiology of Circadian Rhythm Delayed Sleep Wake Phase Disorder
University of Colorado, Boulder
- Location
- Boulder, CO + 1 other US site
- Eligibility basics
- Ages 16–40
- RecruitingHealthy volunteers
Evaluating Telehealth Delivery of Brief Alcohol Screening and Intervention for College Students
University of Southern California
- Location
- Houston, TX
- Eligibility basics
- Ages 18–26
- RecruitingHealthy volunteers
NICU Utilization of Remote Voice Technology to Improve mateRnal Experience (NURTURE)
Vanderbilt University Medical Center
- Location
- Nashville, TN
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Adapted Helping Ovarian Cancer Patients Cope Intervention to Address Burnout for Gynecologic Oncology Clinicians
Fred Hutchinson Cancer Center
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effect of the Thrive AI Health App on Lifestyle Behaviors and Quality of Life
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Older Age and Generalization
Caitlin Bowman
- Location
- Milwaukee, WI
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Nicotinamide Riboside, Vit B3 Analogue, and Brain Energy Metabolism
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Study of Wearable Interventions for Improving Mobility of Individuals With Knee Osteoarthritis
Massachusetts Institute of Technology
- Location
- Cambridge, MA
- Eligibility basics
- Ages 21–100
- RecruitingHealthy volunteers
Neurosciences Research Repository
The University of Texas Health Science Center, Houston
- Location
- Houston, TX
- Eligibility basics
- Ages 0 mo+
- RecruitingHealthy volunteers
GI Neuromuscular Pathology Prospective Registry
Indiana University
- Location
- Indianapolis, IN
- Eligibility basics
- Ages 6 mo–90
- RecruitingHealthy volunteers
The Congenital Dyserythropoietic Anemia Registry (CDAR)
Children's Hospital Medical Center, Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
PROspective Study of Mothers' and Infants' Social and Epidemiologic Determinants of Health
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–44 · Women only
- RecruitingHealthy volunteers
Melanin and Dermal Uptake of Thirdhand Cigarette Smoke
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Measuring Environmental Tobacco and Cannabis: Pollutants and Exposures
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 21–50
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.