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
Online Sleep Education for College Student's Sleep Health and Executive Functioning
Northern Arizona University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Corticosteroid for Diabetic Macular Edema (DME) Study
Vanderbilt University Medical Center
- Location
- Nashville, TN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Developing New Ways to Detect Respiratory Impairment Early in ALS
Thomas Jefferson University
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Hormonal, Metabolic, and Signaling Interactions in PAH
Vanderbilt University Medical Center
- Location
- Nashville, TN
- Eligibility basics
- Up to age 90
- RecruitingHealthy volunteers
Comparison of ALD, NASH, and Healthy Control Patients
The Cleveland Clinic
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Modulating Movement Intention Via Cortical Stimulation
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 4
Biomarker Validation in Motor System Physiology in Attention Deficit Hyperactivity Disorder
Donald Gilbert, MD, MS, FAAN, FAAP
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 8–12
- RecruitingHealthy volunteers
Parenting Support Intervention for Families Coping With Metastatic or Locally Recurrent Solid Tumor Diagnosis
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Vascular MRI Evaluation in Giant Cell Arteritis (VEGA)
University of Pennsylvania
- Location
- Rochester, MN + 1 other US site
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Effects of Lean Beef Consumption on Cardiometabolic Health and Gut Microbiome
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 3
Screening for Prostate Cancer Using High Resolution Micro-ultrasound Versus Multiparametric Magnetic Resonance Imaging.
University of Alberta
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 50–70 · Men only
- RecruitingHealthy volunteers
The e-SINCERE Study
Andrea Wallace
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluation of Flexible Conductive Hearing Aids
Wake Forest University Health Sciences
- Location
- Winston-Salem, NC
- Eligibility basics
- Ages 6 mo–80
- RecruitingHealthy volunteers
SAFEGUARD Level Up Study
Uniformed Services University of the Health Sciences
- Location
- Fort Hood, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Wear Experience With Daily Disposable Contact Lenses for Astigmatism Over a Long-Wear Day
Ohio State University
- Location
- Columbus, OH
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
A Multi-Level Strategy for De-implementing Mammography Overuse Among Older Women
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
GBPDC: Gut-Brain in PD Consortium Master Protocol
Duke University
- Location
- Stanford, CA + 3 other US sites
- Eligibility basics
- Ages 21–80
- RecruitingHealthy volunteers
Non-nutritive Sweeteners in Inflammatory Bowel Disease
University Hospitals Cleveland Medical Center
- Location
- Chagrin Falls, OH + 2 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
DoubleTake: Effect of Message Exposure Via a Discrete Choice Experiment With Eye-Tracking on Quit Attempts Among Adults Who Smoke Menthol Cigarettes
Georgia State University
- Location
- Atlanta, GA
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Protein Supplementation During Luteal Phase to Stop Protein Degradation
Sam Houston State University
- Location
- Conroe, TX
- Eligibility basics
- Ages 18–35 · Women only
- RecruitingHealthy volunteers
Adult and Juvenile Myositis
National Institute of Environmental Health Sciences (NIEHS)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 2–100
- RecruitingHealthy volunteers
Pennington Center Longitudinal Study (PCLS)
Pennington Biomedical Research Center
- Location
- Baton Rouge, LA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Peripheral Blood Mononuclear Cells Response In Healthy Controls, Heavy Drinkers, and Patients With Alcoholic Hepatitis
The Cleveland Clinic
- Location
- Cleveland, OH
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteersPhase 2/Phase 3
Inhaled Isopropyl Alcohol for Treatment of Nausea
State University of New York at Buffalo
- Location
- Buffalo, NY
- Eligibility basics
- Ages 7–17
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.