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.
4,991 recruiting studiesSource: ClinicalTrials.gov, refreshed October 28, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
Mirai-MRI: Validation of AI Models for Breast Cancer Risk
University of California, San Francisco
- Location
- San Francisco, CA + 1 other US site
- Eligibility basics
- Ages 40–89 · Women only
- RecruitingHealthy volunteers
Quantitative Cardiac Parametric Mapping
Medical University of South Carolina
- Location
- Charleston, SC
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Role of the Gut Microbiome in Complex Regional Pain Syndrome
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Multi-Cancer Early Detection (MCED) of Firefighters
Vincere Cancer Center
- Location
- Scottsdale, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Nurturing Needs Study: Parenting Food Motivated Children
Temple University
- Location
- Philadelphia, PA + 1 other US site
- Eligibility basics
- Ages 4–5
- RecruitingHealthy volunteersPhase 2
Facilitation of Extinction Retention and Reconsolidation Blockade by IV Allopregnanolone in PTSD.
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
A Study of Mayo Clinic CV Research Heart & Voice Study
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Tissue Repository: CTCL Collection Protocol
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Caffeine Optimization Versus Standard Caffeine Dosage (2B-2)
University of Arizona
- Location
- Tucson, AZ + 1 other US site
- Eligibility basics
- Ages 18–39
- RecruitingHealthy volunteers
Effect of Morning Light Exposure on Mood
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Effectiveness of Transcranial Magnetic Stimulation of the Default Mode Network to Improve Sleep - Clinical Trial
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Tracing Of Real-time glu13Cose Metabolism in Human Immune Cells
Vanderbilt University Medical Center
- Location
- Nashville, TN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Preparedness Through Respiratory Virus Epidemiology and Community Engagement
University of California, San Diego
- Location
- La Jolla, CA + 1 other US site
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Long-Term Efficacy and Duration of MFU-V at Multiple Depths and at 1.5 mm
The Levine Center for Plastic Surgery
- Location
- New York, NY
- Eligibility basics
- Ages 25–65
- RecruitingHealthy volunteers
eMOTION: Examining Implicit Attitudes in Physical Activity Engagement
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Rutgers University Study of the Genetics of Pulmonary Hypertension
Rutgers, The State University of New Jersey
- Location
- Piscataway, NJ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Physiology of Human Brown Adipose Tissue
Beth Israel Deaconess Medical Center
- Location
- Boston, MA
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Visible Abdominal Distension
Hospital Universitari Vall d'Hebron Research Institute
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Peer Behavioral Activation Utilization to Improve Substance Use and HIV Outcomes in People Receiving Long Acting Injectable-PrEP/ART (PUSH)
University of Maryland, Baltimore
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 18–88
- RecruitingHealthy volunteers
Virtual Contexts for Affective Modulation
Trustees of Dartmouth College
- Location
- Hanover, NH
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Skeletal Health and Bone Marrow Composition in Newly Diagnosed Adolescents With Crohn Disease
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 13–20
- RecruitingHealthy volunteers
COVID-19 Survivorship Registry
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Skeletal Health and Bone Marrow Composition in Adolescents With Cystic Fibrosis
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 13–20
- RecruitingHealthy volunteers
Empowering Young Parents: Building Healthy Relationships Study
RTI International
- Location
- Camden, DE + 6 other US sites
- Eligibility basics
- Ages 14–21 · Women only
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.