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
Binaural Cue Sensitivity in Children and Adults With Combined Electric and Acoustic Stimulation
Hearts for Hearing
- Location
- Oklahoma City, OK
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteers
Passive Neurosensory Reintegration Training as a Tool to Augment Mild Traumatic Brain Injury
University of Miami
- Location
- Miami, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Expanding Veteran Sponsorship Initiative+ to Support High-Risk Transitioning Servicemembers and Veterans: A Precision Medicine Approach
VA Office of Research and Development
- Location
- The Bronx, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cardiovascular Effects of Grieving
University of South Florida
- Location
- Tampa, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Hemodynamics Monitoring During Lower Body Negative Pressure (LBNP) Induced Controlled Hypovolemia
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 20–45
- RecruitingHealthy volunteers
Mechanisms of Pregnancy Vascular Adaptations
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteers
Evaluation of Multi-Cancer Early Detection Testing in a High-Risk Population: The INFORM Study
Dana-Farber Cancer Institute
- Location
- Boston, MA
- Eligibility basics
- Ages 22+
- RecruitingHealthy volunteersPhase 2
This Study is Assessing the Safety and Efficacy of Immune Inhibition as a Treatment to Prevent Primary Graft Dysfunction
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Mindfulness and Meditation Based Lactation Education on Maternal Breastmilk in the Neonatal ICU
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 20+ · Women only
- RecruitingHealthy volunteersPhase 2
Hyperpolarized 129Xe MRI for Imaging Pulmonary Function
Bastiaan Driehuys
- Location
- Durham, NC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Characterization of the Nrf2 Response in Patients With Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18–30
- RecruitingHealthy volunteers
Spinal Cord Stimulation for Functional Recovery in Humans With Tetraplegia
VA Office of Research and Development
- Location
- Chicago, IL + 1 other US site
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
@neurIST : Intregrated Biomedical Informatics for the Management of Cerebral Aneurysms
University Hospital, Geneva
- Location
- San Francisco, CA + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
HEART Camp Connect -Promoting Exercise in Adults With Heart Failure With Preserved Ejection Fraction
University of Nebraska
- Location
- Detroit, MI + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Healthy Mom Zone Gestational Weight Gain Management Intervention 2.0
Penn State University
- Location
- University Park, PA
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Veteran Social Support for Enhancing Use of Smoking Cessation Treatment
VA Office of Research and Development
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Nutrition and Obesity in Under-Represented Populations: Food Insecurity Research to Advance Science and Improve Health
Duke University
- Location
- Durham, NC
- Eligibility basics
- Ages 1–2
- RecruitingHealthy volunteers
Sympathetic Overactivity in Post-traumatic Stress Disorder
Emory University
- Location
- Decatur, GA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Latino Teen Depression Treatment Study
Duke University
- Location
- Nashville, TN
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteers
Human Intracranial Electrophysiology
Dartmouth-Hitchcock Medical Center
- Location
- Lebanon, NH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy (CADASIL) Study
University of Wisconsin, Madison
- Location
- Los Angeles, CA + 9 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Androgen Effects on the Reproductive Neuroendocrine Axis, 2025 Version
University of California, San Diego
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–35 · Women only
- RecruitingHealthy volunteers
The Unlocking PrEP Study: Integration of Peer Health Navigation Into Comprehensive Re-entry Services
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Beta-cell Response to Incretin Hormones in Cystic Fibrosis
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
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.