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
Effect of Early Parent Education on Children's Sleep
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Spinal Cord Stimulation for Children With Cerebral Palsy
Martin Piazza
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 5–17
- RecruitingHealthy volunteers
Regulation of Inflammatory Genes in Psoriasis
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 19–99
- RecruitingHealthy volunteers
Selective PET Imaging of Astrocytes and Microglia in Alzheimer's Disease
The Methodist Hospital Research Institute
- Location
- Houston, TX
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
A Comprehensive Evaluation of Tobacco-Flavored vs. Non-Tobacco Flavored E-cigarettes on Smoking Behavior
Ohio State University Comprehensive Cancer Center
- Location
- Columbus, OH
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Driver Education Research Study
Children's Hospital of Philadelphia
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 16–17
- RecruitingHealthy volunteers
Head-Cancelled Virtual Reality for Ocular Cranial Nerve Palsies
Kevin Houston
- Location
- Jacksonville, FL + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cannabis Effects on Sleep, Circadian Rhythms, and Light Sensitivity in Young Adults
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 18–25
- RecruitingHealthy volunteers
Families in Balance: Enhancing Household Routines and Reducing Early Childhood Obesity Among Families With Low-income
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 2+
- RecruitingHealthy volunteers
Examining Interactions Between PALS and Caregivers
Penn State University
- Location
- University Park, PA
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Multi-Cancer Detection Observational Cohort Study
Mayo Clinic
- Location
- Scottsdale, AZ + 2 other US sites
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
The SENTINL-1 Study: Evaluating Patient-Reported Outcomes of AI-Inferred Lung Cancer Risk
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
Sentence Prediction in Developmental Language Disorder
Father Flanagan's Boys' Home
- Location
- Omaha, NE
- Eligibility basics
- Ages 5–7
- RecruitingHealthy volunteers
Pyloric Sphincter Abnormalities in Patients With Gastroparesis Symptoms
Johns Hopkins Bloomberg School of Public Health
- Location
- Scottsdale, AZ + 4 other US sites
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteers
Neuroimaging Approaches to Improve Prediction of Smoking Initiation and Nicotine Escalation in Young Adult ENDS Users
University of Georgia
- Location
- Athens, GA
- Eligibility basics
- Ages 18–29
- RecruitingHealthy volunteers
DOSC and Association With Neighborhood Opportunity: Phase II
Nationwide Children's Hospital
- Location
- Columbus, OH
- Eligibility basics
- Up to age 18
- RecruitingHealthy volunteersPhase 4
The Role of Neutrophils in the Age-driven Decline in Anti-pneumococcal Vaccine Responses
State University of New York at Buffalo
- Location
- Buffalo, NY
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
CTNow: A Clinical Trials Education Program for Rural Cancer Patients and Oncology Providers
University of Hawaii
- Location
- Hilo, HI + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
RemI for Post-Bariatric Surgery Weight Regain
Temple University
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 3
Cannabis-Tobacco Co-Use Treatment Study
Medical University of South Carolina
- Location
- Charleston, SC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Food for Health Study
University of Montana
- Location
- Arlee, MT
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
A Standardized Counseling Approach to Preoperative Education in Transmasculine Individuals Receiving Gender-affirming Surgery
University of Minnesota
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
California MEPS Hub
University of California, Los Angeles
- Location
- Oakland, CA + 2 other US sites
- Eligibility basics
- Ages 18–59 · Men only
- RecruitingHealthy volunteers
Muscle Health Measurements Using Electrical Impedance Myography
Beth Israel Deaconess Medical Center
- Location
- Boston, MA
- Eligibility basics
- Ages 18–89
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.