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.
4,995 recruiting studiesSource: ClinicalTrials.gov, refreshed October 27, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
The Role of Mobile Apps in Promoting Cardiovascular Health and Motivation to Exercise During Pregnancy
Old Dominion University
- Location
- Norfolk, VA
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
OCT in Diagnosis of Irregular Corneas
Oregon Health and Science University
- Location
- Portland, OR
- Eligibility basics
- Ages 14–85
- RecruitingHealthy volunteers
Observational Study of Iris Tumors
Oregon Health and Science University
- Location
- Portland, OR
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Project PEAK: Early Intervention for ADHD
Lehigh University
- Location
- Bethlehem, PA
- Eligibility basics
- Ages 3–5
- RecruitingHealthy volunteers
COA-APTIC Cognitive Interview Study of Caregiver and Clinician Assessment of Acute Pain in Infants and Young Children
Duke University
- Location
- Durham, NC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Improving Neck Control in Children With Cerebral Palsy Using Robotics
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 11–21
- RecruitingHealthy volunteers
Protein and Polycystic Ovary Syndrome (PCOS)
University of Arkansas, Fayetteville
- Location
- Fayetteville, AR
- Eligibility basics
- Ages 18–50 · Women only
- RecruitingHealthy volunteers
Impact of Aerosol Box Use During Cardiopulmonary Arrest: A Multicenter Study
KidSIM Simulation Program
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Augmented Reality For MRI-Guided Interventions
Children's National Research Institute
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 3–21
- RecruitingHealthy volunteers
InformationSeekingMesolimbicEngagementStudy2
Temple University
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
SC2i Tissue and Data Repository Protocol
Henry M. Jackson Foundation for the Advancement of Military Medicine
- Location
- Atlanta, GA + 3 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Motivational Wellness Coaching to Reduce Childhood Obesity in Families and Kids
Kaiser Permanente
- Location
- Pasadena, CA
- Eligibility basics
- Ages 2–8
- RecruitingHealthy volunteersPhase 2
Combining Stellate Ganglion Block With Prolonged Exposure for PTSD
The University of Texas Health Science Center at San Antonio
- Location
- Fort Hood, TX + 1 other US site
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Exercise, Brain Activity, and Weight Maintenance
Joslin Diabetes Center
- Location
- Boston, MA
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Community Park-Based Programs for Health Promotion: Fit2Play Prospective Cohort Study
Duke University
- Location
- Miami, FL
- Eligibility basics
- Ages 6–14
- RecruitingHealthy volunteers
Evaluation of Global Smart Drinking Goals Initiative
HBSA
- Location
- Calverton, MD
- Eligibility basics
- Ages 12+
- RecruitingHealthy volunteers
Immediate Postpartum Glucose Tolerance Testing
MemorialCare Health System
- Location
- Long Beach, CA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersPhase 2
4-aminopyridine for Skin Wound Healing
John Elfar
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Caloric Balance Markers Study
Institute for Systems Biology
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Point of Care Testing for Presence of Current and or Previous T. Gondii Infection
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Stick2PrEP Cisgender Women and Trans Individuals
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Effect of Abdominal Wall Injections on Abdominal Pain
Oregon Health and Science University
- Location
- Portland, OR + 1 other US site
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Efficacy of a Smart Water Bottle Intervention to Increase Fluid Consumption in College Students
Kennesaw State University
- Location
- Kennesaw, GA
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Medial-prefrontal Enhancement During Schizophrenia Systems Imaging
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18–64
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.