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 volunteersEarly Phase 1
Imaging CRF X NOP Interactions in CUD
Rajesh Narendran
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1/Phase 2
Aging and Task-specific Training to Reduce Falls
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 60–90
- RecruitingHealthy volunteersPhase 1
HPV DNA Vaccine Via Electroporation for HPV16 Positive Cervical Neoplasia
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
- Location
- Birmingham, AL + 1 other US site
- Eligibility basics
- Ages 19+ · Women only
- RecruitingHealthy volunteersEarly Phase 1
rhPSMA-73 PET-MRI Imaging for the Detection of Prostate Cancer Among Men Who Are Otherwise Candidates for Active Surveillance
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteersPhase 1
COES: Curing Order Effects on Sealants
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 5–14
- RecruitingHealthy volunteersPhase 1
BZLF1 Peptide Vaccine (OSU-2131) With QS-21 for the Prevention of Epstein-Barr Virus Related Cancer in Patients Awaiting Solid Organ Transplants
Ohio State University Comprehensive Cancer Center
- Location
- Columbus, OH
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1/Phase 2
Sleep Disordered Breathing With Opioid Use
VA Office of Research and Development
- Location
- Detroit, MI
- Eligibility basics
- Ages 18–89
- RecruitingHealthy volunteersOvernight stay mentioned
Cardiovascular Function and Response to Stimulation Within the First Year After Spinal Cord Injury
Kessler Foundation
- Location
- West Orange, NJ
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersEarly Phase 1
Uric Acid, Klotho and Salt Sensitivity in Young Adults Born Preterm
Wake Forest University Health Sciences
- Location
- Winston-Salem, NC
- Eligibility basics
- Ages 22–33
- RecruitingHealthy volunteersEarly Phase 1
Lorlatinib for Newly-Diagnosed High-Grade Glioma With ROS or ALK Fusion
Nationwide Children's Hospital
- Location
- Cincinnati, OH + 1 other US site
- Eligibility basics
- Ages 1–21
- RecruitingHealthy volunteersPhase 1
Comparative Evaluation of Nicotine Analogs
Ohio State University Comprehensive Cancer Center
- Location
- Columbus, OH
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteersPhase 1
Liver Adiposity Effects on Pediatric Statin
Children's Mercy Hospital Kansas City
- Location
- Kansas City, MO
- Eligibility basics
- Ages 8–21
- RecruitingHealthy volunteersPhase 1/Phase 2
Classroom Break, Cognition, and Fitness in Elementary School Children
Purdue University
- Location
- Royal Center, IN
- Eligibility basics
- Ages 8–12
- RecruitingHealthy volunteersPhase 1/Phase 2
MTOR Inhibitors in Older Adults
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 65–80
- RecruitingHealthy volunteersEarly Phase 1
Impact of Nrf2 Activation on Macrovascular, Microvascular & Leg Function & Walking Capacity in Peripheral Artery Disease
University of Nebraska
- Location
- Omaha, NE
- Eligibility basics
- Ages 50–75
- RecruitingHealthy volunteersEarly Phase 1
Measuring Acute Drug Demand in Humans
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersEarly Phase 1
Psilocybin for Prolonged Grief Disorder
University of Virginia
- Location
- Charlottesville, VA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersEarly Phase 1
Gait Adaptation Study
Rutgers, The State University of New Jersey
- Location
- Newark, NJ
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersEarly Phase 1
Spinal Cord Associative Plasticity Study
Columbia University
- Location
- New York, NY + 2 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1
Cannabis and Opioid Use Disorder
Shanna Babalonis, PhD
- Location
- Lexington, KY
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1/Phase 2
Behavioral Economic Attributes of Recreation
Rush University Medical Center
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Study of the Safety, Tolerability, Electrophysiological Effects and Efficacy of DMT in Humans
Deepak C. D'Souza
- Location
- West Haven, CT
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteersPhase 1
AB821 in Adult Participants With Locally Advanced or Metastatic Solid Tumors
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1/Phase 2
Post-operative Urinary Retention (POUR) Following Thoracic Surgery
Hackensack Meridian Health
- Location
- Hackensack, NJ
- Eligibility basics
- Ages 50+ · Men 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.