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
An Adapted Evidence-Based Coaching Program for Fathers and Their Young Children in the Context of Home Visiting
University of Washington
- Location
- Seattle, WA
- Eligibility basics
- Ages 1+
- RecruitingHealthy volunteers
Cardiology Biobank Registry
Emory University
- Location
- Atlanta, GA
- Eligibility basics
- Ages 20+
- RecruitingHealthy volunteers
Pathogenesis of Primary Ciliary Dyskinesia (PCD) Lung Disease
University of North Carolina, Chapel Hill
- Location
- Chapel Hill, NC
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Integrated Cancer Repository for Cancer Research
University of Nebraska
- Location
- Greenwood Village, CO + 41 other US sites
- Eligibility basics
- Ages 19–110
- RecruitingHealthy volunteers
Molecular Genetics Studies of Cancer Patients and Their Relatives
City of Hope Medical Center
- Location
- Phoenix, AZ + 33 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Deep Phenotyping of Hearing Instability Disorders: Cohort Establishment, Biomarker Identification, Development of Novel Phenotyping Measures, and Discovery of Therapeutic Targets
National Institute on Deafness and Other Communication Disorders (NIDCD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Anatomical and Functional Imaging Correlates of Chronic Pain in Cerebral Palsy
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
- Location
- Baltimore, MD + 3 other US sites
- Eligibility basics
- Ages 8+
- RecruitingHealthy volunteers
A Formative Evaluation For Improving Breast Cancer Hormone Receptor Testing in Tanzania
Memorial Sloan Kettering Cancer Center
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
5-HT2A Agonist Psilocybin in the Treatment of Tobacco Use Disorder
Johns Hopkins University
- Location
- Birmingham, AL
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Cognitive Outcomes After Brain Substructure-informed Radiation Planning in Pediatric Patients
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 1–26
- RecruitingHealthy volunteers
The Actuate-CBC Study
University of Pennsylvania
- Location
- Orange, CA + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Developing a Nutritional Supplement to Increase Collagen Synthesis in People
University of California, Davis
- Location
- Davis, CA
- Eligibility basics
- Ages 18–30
- RecruitingHealthy volunteers
CorEvitas International Adolescent Atopic Dermatitis (AD) Drug Safety and Effectiveness Registry
CorEvitas
- Location
- Waltham, MA
- Eligibility basics
- Ages 10–15
- RecruitingHealthy volunteers
Acute Effects of High-intensity Interval Training With Mindfulness-based Recovery on Executive Function in Children
Purdue University
- Location
- West Lafayette, IN
- Eligibility basics
- Ages 10–12
- RecruitingHealthy volunteers
Adapting Enhanced Recovery Programs for Low Health Literacy Patients
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Comparing Stainless Steel Crowns With Prefabricated Resin Crowns in Primary Molar Teeth
Children's Hospital Medical Center, Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 2–5
- RecruitingHealthy volunteers
Increasing Physical Activity Through Social Support and Stress Resilience
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 60+
- RecruitingHealthy volunteers
Practice Facilitation as a Strategy to Improve Alcohol Treatment Adoption and Implementation in HIV Care
Johns Hopkins University
- Location
- San Diego, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Cochlear Implants in Young Children With SSD
University of North Carolina, Chapel Hill
- Location
- Durham, NC
- Eligibility basics
- Ages 7 mo–5
- RecruitingHealthy volunteers
A Mechanistic Study to Investigate tDCS and Working Memory in MCI Patients
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 60–95
- RecruitingHealthy volunteers
Kids With Iron Deficiency and Scoliosis
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 10–26
- RecruitingHealthy volunteers
The Prevalence of Neuropathic Pain Pathophysiology Associated With Ankle Fracture
Indiana University
- Location
- Indianapolis, IN
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteersPhase 4
Understanding the Efficacy of Dietary Supplement on Fungal Mycobiota in Healthy Volunteers: A Pilot Study
Weill Medical College of Cornell University
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
MyPEEPS Mobile Plus: A Multi-Level HIV Prevention Intervention for Young MSM
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 16–25 · Men 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.