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
Masticatory Muscle Activity Using a 24-Hour Wearable Device
Midwestern University
- Location
- Downers Grove, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Dominantly Inherited Alzheimer Network (DIAN)
Washington University School of Medicine
- Location
- Jacksonville, FL + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Diaphragmatic Hernia Research & Exploration, Advancing Molecular Science
Columbia University
- Location
- Chicago, IL + 10 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Influence of Brain Oscillation-Dependent TMS on Motor Function
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Technical and Translational Development of Cardiovascular Magnetic Resonance (CMR) Imaging
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 7–100
- RecruitingHealthy volunteers
Data Collection Study of Pediatric and Adolescent Gynecology Conditions
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–100
- RecruitingHealthy volunteers
GENESIS: Genotype Guided - Natriuretic Peptides - Cardiometabolic Health Study
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Metabolic and Functional Consequences of Aging in Health and Disease
Texas A&M University
- Location
- College Station, TX
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteersPhase 2
Cannabis' Impact on Alcohol Consumption
Brown University
- Location
- Providence, RI
- Eligibility basics
- Ages 21–50
- RecruitingHealthy volunteers
MyHand-SCI: An Active Hand Orthosis for Spinal Cord Injury
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Efficacy of mHealth Applications in Weight Management in a Population Affected by Overweight or Obesity
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteers
Strong Teens for Healthy Schools Change Club: A Civic Engagement Approach to Improving Physical Activity and Healthy Eating Environments
Texas A&M University
- Location
- Dallas, TX
- Eligibility basics
- Ages 8+
- RecruitingHealthy volunteersPhase 4
Impact of Preoperative Opioid-free Multimodal Analgesia on Time to Trial of Void in Ambulatory Urogynecologic Surgeries
Northwell Health
- Location
- Bay Shore, NY
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteers
Acoustic Waveform Respiratory Evaluation
Indiana University
- Location
- Indianapolis, IN + 1 other US site
- Eligibility basics
- Ages 8–70
- RecruitingHealthy volunteersPhase 2/Phase 3
Food-Body-Mind Intervention (16 Weeks)
Michigan State University
- Location
- Jackson, MI
- Eligibility basics
- Ages 3–5
- RecruitingHealthy volunteers
Exercise Effects on the Neurobiology Underlying Stress-related Eating Behaviors in Veterans
VA Office of Research and Development
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Education & Mentorship of Advanced Practice Providers to Increase Community-based Research Within the NCORP Network, COACH-APP Trial
Wake Forest University Health Sciences
- Location
- Newark, DE + 42 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Impact of Biological Mechanisms of Aging on Response Variability to Resistance Training in Older Adults
Mayo Clinic
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Advancing Precision Nutrition: Wearable Technology for Noninvasive Insulin Monitoring
Texas A&M University
- Location
- College Station, TX
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Role of Theta Frequency Oscillations in Proactive and Reactive Control Processes in Youth With Attention Deficit Hyperactivity Disorder (ADHD) and Obsessive Compulsive Disorder (OCD)
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 10–17
- RecruitingHealthy volunteers
NASA Exercise Prebreathe Study
Duke University
- Location
- Durham, NC
- Eligibility basics
- Ages 30–60
- RecruitingHealthy volunteers
A Trial to Examine the Effects of a Weight Loss Program Emphasizing Protein, Dietary Fiber, and Exercise (30-30-30 Plan)
Midwest Center for Metabolic and Cardiovascular Research
- Location
- Addison, IL + 2 other US sites
- Eligibility basics
- Ages 18–69
- RecruitingHealthy volunteers
Evaluation of a Decision-Support Tool for Blood Biomarker Testing for Alzheimer's Disease in Primary Care
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Supporting Health Through Alcohol Reduction and Relationship Enhancement Together
Brown University
- Location
- Providence, RI
- 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.