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
Applying CSNAT in HBPC as an Approach to Elder Mistreatment Risk Reduction
The University of Texas Medical Branch, Galveston
- Location
- Galveston, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Momentary Coping Prompts and Hair Steroids in College Students
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 18–22
- RecruitingHealthy volunteers
Just-in-Time Coping Prompts for Reactive Digital Behavior in College Students
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 18–22
- RecruitingHealthy volunteers
Parkinson's Disease in Type 1 Gaucher Disease
Icahn School of Medicine at Mount Sinai
- Location
- New York, NY
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Improved Methods of Cell Selection for Bone Marrow Transplant Alternatives
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Natural History Study of Biomarkers in Pulmonary Arterial Hypertension
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Neural and Psychological Mechanisms of Pain Perception
National Center for Complementary and Integrative Health (NCCIH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Sociocultural & Biobehavioral Influences on Pain Expression and Assessment
National Center for Complementary and Integrative Health (NCCIH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Outcome Inference in the Sensory Preconditioning Task in Opioid-Use Disorder
National Institute on Drug Abuse (NIDA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 21–60
- RecruitingHealthy volunteers
Androgen Receptor, Implications for Health and Wellbeing: Natural History Study of Individuals With Androgen Insensitivity
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 8–99
- RecruitingHealthy volunteers
Overlapping Pain Trajectory Study
Children's Hospital Medical Center, Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 10–19
- RecruitingHealthy volunteers
Effect of Vestibular Perceptual Learning on Vestibular Thresholds and Balance
Ohio State University
- Location
- Columbus, OH
- Eligibility basics
- Ages 65–89
- RecruitingHealthy volunteers
Preventing Depression of Chinese American Adolescents by RRE
Northeastern University
- Location
- Boston, MA
- Eligibility basics
- Ages 14–18
- RecruitingHealthy volunteers
Use of Nicotine Pouches Among Daily Smokers
Milton S. Hershey Medical Center
- Location
- Hershey, PA + 1 other US site
- Eligibility basics
- Ages 21–70
- RecruitingHealthy volunteers
Development of MRF for Characterization of Brain Tumors After Radiotherapy
Case Comprehensive Cancer Center
- Location
- Cleveland, OH + 1 other US site
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
The Effects of Auditory Stimulation During Sleep on Brain Networks in Schizophrenia
Massachusetts General Hospital
- Location
- Charlestown, MA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Multifocal HD-tDCS and Motor Function
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 65–85
- RecruitingHealthy volunteers
ShotBlocker During Intramuscular Injection Randomized Control Trial
Lauren Fortier
- Location
- Worcester, MA
- Eligibility basics
- Ages 8 mo–10 mo
- RecruitingHealthy volunteers
Neuromuscular Electrical Stimulation: A Novel Treatment for Improving Metabolism
University of Texas, El Paso
- Location
- El Paso, TX
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 4
Risk of Acute Complications With Rocuronium vs Cisatracurium in Patients With Chronic Kidney Disease
The University of Texas Medical Branch, Galveston
- Location
- Galveston, TX
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Geriatric Assessment and Management for Older Adults Undergoing Chemotherapy and Radiation Therapy for Head and Neck Cancer and Their Family Caregivers
City of Hope Medical Center
- Location
- Duarte, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Effects of Vagal Nerve Stimulation on Leg Muscle Activity and Posture in Parkinson's Disease
University of Minnesota
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 21–76
- RecruitingHealthy volunteers
Quantifying Motor Network Dynamics to Predict and Enhance Outcomes in Pediatric Dystonia
Children's Hospital Medical Center, Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 6–21
- RecruitingHealthy volunteers
Environmental Exposure Assessment in High-Risk and Early-Onset Breast Cancer Care
City of Hope Medical Center
- Location
- Duarte, CA
- Eligibility basics
- Ages 18+ · Women only
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.