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
Opioid Use Disorder and Pain
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 21–60
- RecruitingHealthy volunteersPhase 4
Computational Assessment of GABA Receptor Modulation in PTSD
VA Office of Research and Development
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Investigation of Lymph Node Biology in Kidney Cancer
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
e-ALIGN: A Patient Portal-based Intervention to Align Medications With What Matters Most
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Testing the Impact of the MOHR Follow-up Support
University of Colorado, Denver
- Location
- Aurora, CO + 5 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Squat Jump Performance and Chiropractic Ankle Manipulation
Northeast College of Health Sciences
- Location
- Seneca Falls, NY
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Postprandial Effects of Fresh Mango as a Table Sugar Replacement in High-Sugar Breakfasts.
Ball State University
- Location
- Muncie, IN
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
STS/ACC TVT Registry Mitral Module
American College of Cardiology
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 1+
- RecruitingHealthy volunteers
Web-based Cognitive Behavioral Treatment for Insomnia in Dementia Caregivers
University of South Florida
- Location
- Columbia, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Atrial Fibrosis in Obstructive Sleep Apnea Patients: A Pilot Study
Tulane University
- Location
- New Orleans, LA + 2 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
A Pilot Study to Evaluate PureWick for Nocturia
Northwell Health
- Location
- Syosset, NY
- Eligibility basics
- Ages 50+ · Women only
- RecruitingHealthy volunteers
Longitudinal Cortical Demyelination in Multiple Sclerosis and Related Disorders
Icahn School of Medicine at Mount Sinai
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Text-Based Messaging Strategies for Preventing Subsequent Problematic Alcohol Use
University of Virginia
- Location
- San Antonio, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Tranexamic Acid for Second Trimester Dilation and Evacuation and Bleeding Outcomes
University of California, San Diego
- Location
- San Diego, CA + 2 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Navigation Interventions to Improve Cascade Genetic Testing Among Relatives of Patients With Hereditary Cancer Syndromes
University of Michigan Rogel Cancer Center
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluation of a Group-based, Skills Training for Increasing Mental Toughness
Uniformed Services University of the Health Sciences
- Location
- Killeen, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Our Voices Matter: Intervention for Depression in Youth
Ann & Robert H Lurie Children's Hospital of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 15–20
- RecruitingHealthy volunteers
Cognition and Ultrasound
University of Minnesota
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Return of Cardiovascular Information Trial (RECITE)
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 35+
- RecruitingHealthy volunteers
Multivitamin and Mineral Supplementation and Healthy Aging
University of California, San Diego
- Location
- La Jolla, CA
- Eligibility basics
- Ages 40–60
- RecruitingHealthy volunteers
Interactive Effects of Sodium and Potassium on Vascular Health in Older Adults
Florida State University
- Location
- Tallahassee, FL
- Eligibility basics
- Ages 55–75
- RecruitingHealthy volunteers
Hot Flashes and Neurovascular Function in Women
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 40–60 · Women only
- RecruitingHealthy volunteers
Comparative Effectiveness of Mobile Health Smoking Cessation Approaches Among Underserved Patients in Primary Care
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Animal Assisted Therapy in Pediatric Dentistry
University of North Carolina, Chapel Hill
- Location
- Chapel Hill, NC
- Eligibility basics
- Ages 4–8
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.