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
Effect of Lutein, Zeaxanthin, and Meso-Zeaxanthin Supplementation on Skin Carotenoid Concentration: A Six-Month, Placebo-Controlled Crossover Study
Insight Eyecare Specialties, Inc. dba Vision Source Eyecare,
- Location
- Kansas City, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Association Between Exercise, Patient-Reported Outcomes, and Clinical Events in Adult Cancer Survivors
Memorial Sloan Kettering Cancer Center
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Healthy Children, Healthy Communities: Effectiveness of a Multilevel Rural Community Engagement Model for Improving Children's Dietary Intake in Family Child Care Homes
University of Nebraska Lincoln
- Location
- Lincoln, NE
- Eligibility basics
- Ages 3+
- RecruitingHealthy volunteers
Prehabilitation Protocol for Head and Neck Cancer Patients
University of Miami
- Location
- Miami, FL
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
UCSF Center for Genome Surgery Biobank and Registry
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Multidimensional Sleep Health Intervention for Couples
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 30–65
- RecruitingHealthy volunteers
BRIDGE & Friends Trial
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 50–79
- RecruitingHealthy volunteers
Biofluid Research on Age-Related or Inherited Neurodegeneration
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Natural History Study of Progressive Multifocal Leukoencephalopathy (PML)
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2–120
- RecruitingHealthy volunteers
Pilot Study on In-vivo Non-invasive Skin Imaging Using Multiphoton Microscopy
University of California, Irvine
- Location
- Irvine, CA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
NIAAA Natural History Protocol
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Biomechanical Precision Medicine Registry for Patients With and Without Heart Failure
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
The Effects of Mirabegron and Tadalafil on Glucose Tolerance in Prediabetics
Philip Kern
- Location
- Lexington, KY
- Eligibility basics
- Ages 35–65
- RecruitingHealthy volunteers
Intracranial Neurophysiological Signatures of Fear and Anxiety in Humans
Duke University
- Location
- Los Angeles, CA + 1 other US site
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Neurodevelopmental Outcomes in Children: Strengthening the Caregiver-Child Story
Baylor College of Medicine
- Location
- Houston, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Addressing Root Causes for Gun Violence Prevention (ARC-GVP)
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 14–24
- RecruitingHealthy volunteers
Effectiveness of Repositioning and Cranial Remolding in Infants With Cranial Deformation
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 2 mo–4 mo
- RecruitingHealthy volunteers
Causal Role of the Aperiodic Signal for Working Memory
Florida State University
- Location
- Tallahassee, FL
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Minority Stress Counseling for LGBTQ+ Individuals
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Desmopressin Stimulation Test Performance in ACTH-Dependent Cushing Syndrome
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
P3 Trial: Estimating the Impact of a Multilevel, Multicomponent Intervention to Increase Uptake of HIV Testing and Biomedical HIV Prevention
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18–65 · Men only
- RecruitingHealthy volunteersPhase 4
HPV Vaccine Reduced Dose
Emory University
- Location
- Decatur, GA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Youth Participatory Action Research to Prevent Community Violence Among Black Youth
Emory University
- Location
- Atlanta, GA + 1 other US site
- Eligibility basics
- Ages 12–17
- RecruitingHealthy volunteersPhase 4
BoTox Into the Sternocleidomastoid Muscles (SCM)
Boston Medical Center
- Location
- Newton, MA
- Eligibility basics
- Ages 18–65
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.