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.
4,991 recruiting studiesSource: ClinicalTrials.gov, refreshed October 28, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
A Clinical Trial of Adaptive Treatment for Early Smoking Cessation Relapse
Medical University of South Carolina
- Location
- Charleston, SC
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Improving Care Transitions for Medicaid Insured Individuals With Co-occurring Serious Mental Illness
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluation of Free Gingival Graft Timing
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
MedSupport Intervention to Identify and Address Barriers to Pediatric Medication Adherence
Roswell Park Cancer Institute
- Location
- Buffalo, NY
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Drinking, Acetate, and Stress
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Irritable Bowel Syndrome and Control Volunteers: Diet Challenge
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Photobiomodulation and Tooth Analgesia
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 6–12
- RecruitingHealthy volunteers
Integrative Medicine in Pain Management in Sickle Cell Disease, 2.0
University of Cincinnati
- Location
- Cincinnati, OH
- Eligibility basics
- Ages 14–80
- RecruitingHealthy volunteers
Implementation and Effectiveness of the BJC-Pink and Pearl Project on Lung Cancer Screening
Washington University School of Medicine
- Location
- Creve Coeur, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Acute Exercise and Endogenous Glucose Production in Type 2 Diabetes: Implications for Glycemic Control and Treatment of Hepatic Steatosis
AdventHealth Translational Research Institute
- Location
- Orlando, FL
- Eligibility basics
- Ages 25–55
- RecruitingHealthy volunteers
Effects of Freeze-dried Grape Powder on Immune Profiles in Healthy Aging Adults
University of Connecticut
- Location
- Storrs, CT
- Eligibility basics
- Ages 50–75
- RecruitingHealthy volunteers
Evaluating the Implementation and Effectiveness of the Pink and Pearl Campaign on Lung Cancer Screening at Christian Hospital
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 20+
- RecruitingHealthy volunteers
Improving Information Sharing Between Family Caregivers and Home Care Aides
Johns Hopkins Bloomberg School of Public Health
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Body Clocks - Coordination of Peripheral and Central Oscillators
Stanford University
- Location
- Stanford, CA
- Eligibility basics
- Ages 18–30 · Women only
- RecruitingHealthy volunteers
Nuestro Valor: Increasing Healthier Food Access for Rural Latino Communities Through a Food Retail Intervention
University of Washington
- Location
- Granger, WA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Determining Cell- and Spatially-distinct Skeletal Muscle Transcriptional Aberrations in Insulin Resistance
AdventHealth Translational Research Institute
- Location
- Orlando, FL
- Eligibility basics
- Ages 30–65
- RecruitingHealthy volunteers
Young Onset Parkinson's Disease Subtypes and Pathogenic Mechanisms
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Imaging Acquisition and Analysis Methods for Optimization of MRI Radiation Oncology Simulation and Response Assessment
Memorial Sloan Kettering Cancer Center
- Location
- Basking Ridge, NJ + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Mammography, Early Detection Biomarkers, Risk Assessment, and Imaging Technologies, MERIT Study
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Ages 25–80 · Women only
- RecruitingHealthy volunteers
Self-monitoring Focus Groups With Vibrant Lives Pasadena Participants
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 2/Phase 3
Venetoclax to Improve Outcomes of Fractionated Busulfan Regimen in Patients With High-Risk AML and MDS
M.D. Anderson Cancer Center
- Location
- Houston, TX
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Interventions in Mathematics and Cognitive Skills
Stanford University
- Location
- Palo Alto, CA
- Eligibility basics
- Ages 6–12
- RecruitingHealthy volunteersPhase 4
Etonogestrel Implant as Emergency Contraception
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteers
Neuromodulation of Memory in Aging
Indiana University
- Location
- Durham, NC
- Eligibility basics
- Ages 18–75
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.