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 volunteersPhase 2/Phase 3
Uterus Transplantation to Treat Infertility
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–38 · Women only
- RecruitingHealthy volunteers
Medications for Opioid Use Disorder Photosensitive Retinal Ganglion Cell Function, Sleep, and Circadian Rhythms: Implications for Treatment
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Distinguishing Alcohol Intoxication, Cannabis Intoxication and Co-intoxication Using Electroencephalography (EEG)
Colorado State University
- Location
- Fort Collins, CO
- Eligibility basics
- Ages 21–50
- RecruitingHealthy volunteers
HPV Ends Here: Increasing Uptake of the HPV Vaccine
University of California, Davis
- Location
- Sacramento, CA
- Eligibility basics
- Ages 10–12
- RecruitingHealthy volunteers
Pregnancy Registry, Infants, Serum/Milk Analysis (PRISMA)
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18–64 · Women only
- RecruitingHealthy volunteers
A Virtual Community Health Educator for Increasing Clinical Trial Referrals Among Cancer Patients and Their Caregivers
Mayo Clinic
- Location
- Jacksonville, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Inter-Brain Synchrony in Schizophrenia
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
PopSci CHW4CervixHealth
Thomas Jefferson University
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 25–65 · Women only
- RecruitingHealthy volunteers
Automated IADL Sensing to Refine Measurement of Older Adult Daily Activity
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 75+ · Women only
- RecruitingHealthy volunteers
Genetic Determinants of Barrett's Esophagus and Esophageal Adenocarcinoma
Case Western Reserve University
- Location
- Baltimore, MD + 9 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Measurement of Energy Metabolism in Infants
Pennington Biomedical Research Center
- Location
- Baton Rouge, LA
- Eligibility basics
- Ages 1 mo–4 mo
- RecruitingHealthy volunteers
Circadian Rhythms in Postmenopausal Women
Julie Pendergast
- Location
- Lexington, KY
- Eligibility basics
- Ages 45–65 · Women only
- RecruitingHealthy volunteers
The Impact of COVID-19 on Pulmonary Procedures
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Maternal Oxygen Supplementation for Intrauterine Resuscitation
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteers
Connecting Black Families in Houston, Texas to Hereditary Cancer Genetic Counseling, Genetic Testing, and Cascade Testing by Using a Simple Genetic Risk Screening Tool and Telegenetics
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Gene Therapy Communication: Use of a Needs Assessment to Drive Decision-AIDS for Gene Therapy for Rare Diseases (GENETX)
St. Jude Children's Research Hospital
- Location
- Memphis, TN
- Eligibility basics
- Ages 8+
- RecruitingHealthy volunteers
Implementation of Asthma Community Home and School Management Program (Asthma CHAMPS)
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Lumoptik BRIGHTPOINT Reflectometer Device for Lumbar Epidural Placement
Hospital for Special Surgery, New York
- Location
- New York, NY
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Rural Adult and Youth Sun Protection Study
University of Utah
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 3–7
- RecruitingHealthy volunteers
Multidimensional Predictive Modeling to Understand Mechanisms of Exercise Response Heterogeneity in Older Adults (M3AX)
Florida Institute for Human and Machine Cognition
- Location
- Pensacola, FL + 1 other US site
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteers
AMD and Validation Rod-Meditated Dark Adaptation With Everyday Task Performance
Duke University
- Location
- Durham, NC
- Eligibility basics
- Ages 50–89
- RecruitingHealthy volunteers
Role of KATP Channel Loss in Type 2 Diabetes
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Use of Airpod Pros as Assistive Technology
The University of Texas at Dallas
- Location
- Richardson, TX
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Understanding the Associations Between Romantic Relationship Conflict, Psychophysiological Responding and Alcohol Misuse Among Emerging Adults
New York University
- Location
- New York, NY
- Eligibility basics
- Ages 21–29
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.