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
Study of Corneal Biomechanics in Glaucoma Patients Using Brillouin Microscopy
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Evaluation of Tau-Pathology in Sporadic and LRRK2 Parkinson's Disease
Michael J. Fox Foundation for Parkinson's Research
- Location
- New Haven, CT
- Eligibility basics
- Ages 45–85
- RecruitingHealthy volunteers
Advancing Biopsychosocial Care Training Initiative
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 5+
- RecruitingHealthy volunteers
The Rhinovirus Hospitalization and Investigation of Nasal-airway Omics (RHINO) Study
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Up to age 17
- RecruitingHealthy volunteers
Improving Cervical Cancer Prevention Among Women Living With Chronic Conditions.
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 25+ · Women only
- RecruitingHealthy volunteers
Location- and Frequency-Dependent Effects of Thalamic Temporal Interference Stimulation During Sleep
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
DE-RESTRICT: Deimplementing Activity Restriction for Preterm Birth Prevention
University of Pennsylvania
- Location
- Philadelphia, PA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
AI-Guided Predictions of Blood Pressure Dysregulation Using Perfusion Index as a Novel Biomarker in Persons With Spinal Cord Injury
James J. Peters Veterans Affairs Medical Center
- Location
- The Bronx, NY
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Caregiver-Adolescent Dating Violence Prevention Intervention Pilot Trial
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 14+
- RecruitingHealthy volunteers
Headache Ear Auditory Dizziness Sinus (HEADS) Registry
Association of Migraine Disorders
- Location
- North Kingstown, RI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Project I Test: Implementing HIV Testing in Opioid Treatment Programs
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Characterization of the Serotonin 2A Receptor Selective PET Tracer [18F]MH.MZ in Patients With Neurodegenerative Diseases
Vanderbilt University Medical Center
- Location
- Nashville, TN
- Eligibility basics
- Ages 50–85
- RecruitingHealthy volunteersPhase 2
Cannabis for Obesity Trial
Joshua A. Lile, Ph.D.
- Location
- Lexington, KY
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Evaluating Verbal Communication in Structured Interactions: Theoretical and Clinical Implications
Penn State University
- Location
- University Park, PA
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
The Influence of Chardonnay Marc Intake on Gut and Cardiometabolic Health
University of California, Davis
- Location
- Davis, CA
- Eligibility basics
- Ages 45–70 · Women only
- RecruitingHealthy volunteers
Investigating the Bioavailability of Broccoli Extract Supplements
Oregon State University
- Location
- Corvallis, OR
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Multi-Site Feasibility Testing a Meditation App for Youth in the Legal System
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 13–20
- RecruitingHealthy volunteers
Collecting and Studying Blood and Tissue Samples From Patients With Locally Recurrent or Metastatic Prostate or Bladder/Urothelial Cancer
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteers
Project CONTINUITY: Promoting Evidence-Based Cancer Screening Among Underserved Women
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 25–65 · Women only
- RecruitingHealthy volunteers
Maternal Mindfulness: Depression and Postpartum Pain
University of Illinois at Urbana-Champaign
- Location
- Champaign, IL
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Investigating Cardiac Health of Adults With Trauma
Nova Southeastern University
- Location
- Fort Lauderdale, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
COPEWeb Training for Providers
VA Office of Research and Development
- Location
- Charleston, SC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Strong Families Start at Home/Familias Fuertes Comienzan en Casa
Brown University
- Location
- Providence, RI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Mindfulness-Assisted Psychedelic Therapy
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 25+
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.