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
Comparing Original Patient Educational Materials vs. AI-Simplified Materials to Improve Patient Comprehension and Health Literacy
Hospital for Special Surgery, New York
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Bridging the Gap: Educating Patients on Social Determinants of Health to Improve Epilepsy Surgery Access and Outcomes
Anny Reyes
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
PANCREATIC DISEASE COHORT A Registry and Biospecimen Bank to Better Understand Pancreatic Disease
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteers
Collection of Immunology Specimens From Patients With Cancer or Blood Disorders, and Healthy Volunteers
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 19+
- RecruitingHealthy volunteers
Addressing Disparities in Colorectal Cancer Screening in Black and Underserved Phoenix Communities
Mayo Clinic
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 45+
- RecruitingHealthy volunteers
Spinal Cord Stimulation and Training
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 16–65
- RecruitingHealthy volunteers
Gastric Assessment of Pediatric Patients Undergoing Surgery
Boston Children's Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 2–18
- RecruitingHealthy volunteers
Kimchi and Gut Health
University of California, Davis
- Location
- Davis, CA + 1 other US site
- Eligibility basics
- Ages 19–70
- RecruitingHealthy volunteers
Facial Analysis to Classify Difficult Intubation
Wake Forest University Health Sciences
- Location
- Winston-Salem, NC
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Examining the Impact of Exercise Training on Vascular Dysfunction in Individuals With Mental Health Disorders - Study 3
Virginia Commonwealth University
- Location
- Richmond, VA
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Effect of Menthol on ENDS Users' Addiction and Exposure
Florida International University
- Location
- Miami, FL
- Eligibility basics
- Ages 21–35
- RecruitingHealthy volunteersPhase 4
The Effect of NAD Supplementation on Brain Vascular Health in Aging
University of Oklahoma
- Location
- Oklahoma City, OK
- Eligibility basics
- Ages 60–85
- RecruitingHealthy volunteers
Treatment of Chronic Anger and Aggression Following Military-Related Betrayal
The University of Texas Health Science Center at San Antonio
- Location
- Fort Cavazos, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
BID WM Digital Intervention in Aging
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 60–85
- RecruitingHealthy volunteers
Virtual Reality-Integrated Propulsion Feedback for Stroke Rehab
The University of Texas Medical Branch, Galveston
- Location
- Galveston, TX
- Eligibility basics
- Ages 20+
- RecruitingHealthy volunteers
Optimizing Gait Symmetry After Stroke Using Mechanical Constraints and Sensory Feedback
The University of Texas Medical Branch, Galveston
- Location
- Galveston, TX
- Eligibility basics
- Ages 20+
- RecruitingHealthy volunteers
Study of Food Aversion in Patients With Anorexia Nervosa
University of California, San Diego
- Location
- La Jolla, CA
- Eligibility basics
- Ages 18–55 · Women only
- RecruitingHealthy volunteersPhase 2
SAMe Trial for Patients With Alcoholic Cirrhosis
Indiana University
- Location
- Los Angeles, CA + 1 other US site
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Modeling the Effects of Chronic Marijuana Use on Neuroinflammation and HIV-related Neuronal Injury
Wake Forest University Health Sciences
- Location
- Winston-Salem, NC
- Eligibility basics
- Ages 25–59
- RecruitingHealthy volunteers
Gamma Frequency Stimulation in Individuals With Down Syndrome
Massachusetts Institute of Technology
- Location
- Cambridge, MA
- Eligibility basics
- Ages 25–65
- RecruitingHealthy volunteers
Longitudinal Assessment of Traumatic Microvascular Injury-2
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Quitxt Mobile Text Messaging Cessation Research Study
The University of Texas Health Science Center at San Antonio
- Location
- San Antonio, TX
- Eligibility basics
- Ages 18–29
- RecruitingHealthy volunteers
Hematopoiesis in MBL and CLL Versus Healthy Age-Matched Control Subjects
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteersPhase 3
Evaluating Whether an Educational Website Called Current Together After Cancer (CTAC) Improves Follow-up Care for Colorectal Cancer Survivors
SWOG Cancer Research Network
- Location
- Anchorage, AK + 374 other US sites
- 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.