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
Telehealth Self-Management Coaching Sessions to Improve Quality of Life in Pancreatic Cancer Survivors and Their Family Care Givers
City of Hope Medical Center
- Location
- Duarte, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Medical Residents Learning Weight Management Counseling Skills
University of Massachusetts, Worcester
- Location
- Palo Alto, CA + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Trauma-Informed Care for Smoking Cessation for Pregnancy
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersPhase 3
Building Adaptive School-based Interventions for Caries
University of Pennsylvania
- Location
- Glenwood Springs, CO
- Eligibility basics
- Ages 5–13
- RecruitingHealthy volunteers
The COMParing App Support Strategies Study
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 4
The Impact of Dietary Salt on the Severity of Eczema
University of California, San Francisco
- Location
- San Francisco, CA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Efficacy of Vitamin D Supplementation to Sustain Performance Outcomes
Walter Reed Army Institute of Research (WRAIR)
- Location
- Silver Spring, MD
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Functional and Structural Imaging for Glaucoma
Oregon Health and Science University
- Location
- Portland, OR
- Eligibility basics
- Ages 40–85
- RecruitingHealthy volunteers
High-resolution MRI of Atrial Fibrillation Patients Prior to Focal Impulse and Rotor Modulation (FIRM) Ablation
Ohio State University
- Location
- Columbus, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Targeting Language-specific and Executive-control Networks With Transcranial Direct Current Stimulation in Logopenic Variant PPA
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
Observational Digital Biomarker Discovery in Respiratory Virus Challenge Studies
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
C-Protein in Fatigue and Aging
University of Oregon
- Location
- Eugene, OR
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 2
Tranexamic Acid in Nasal Mohs Reconstruction
Vanderbilt University Medical Center
- Location
- Nashville, TN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
THE GUIDE: Transforming Health for Young Adults Using Interventions to Drive Engagement
Boston Children's Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–29
- RecruitingHealthy volunteers
Cottonseed Oil Versus Matched PUFA Effects
University of Georgia
- Location
- Athens, GA
- Eligibility basics
- Ages 25–75
- RecruitingHealthy volunteers
Timing and Facilitation Effects of Theta-Burst Stimulation in the Reading and Language Networks
Georgia State University
- Location
- Atlanta, GA
- Eligibility basics
- Ages 18–30
- RecruitingHealthy volunteers
Targeting Aging With a Ketone Ester for Function in Frailty
Buck Institute for Research on Aging
- Location
- Novato, CA + 2 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
How a Single Workout Affects Gut Bugs in Women With Different Fitness Levels and Body Types
George Washington University
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 21–40 · Women only
- RecruitingHealthy volunteers
Effectiveness of Brief Intervention in Primary Care for Diverse Young People (Chat)
RAND
- Location
- Commerce, CA + 2 other US sites
- Eligibility basics
- Ages 12–19
- RecruitingHealthy volunteers
Electrotherapy Stimulation Together With Life Coaching for the Support of Burnout Symptoms in Healthcare Workers
Roswell Park Cancer Institute
- Location
- Buffalo, NY
- Eligibility basics
- Ages 21–75
- RecruitingHealthy volunteers
Intermittent Cottonseed Oil Consumption
University of Georgia
- Location
- Athens, GA
- Eligibility basics
- Ages 25–75
- RecruitingHealthy volunteersPhase 4
The Impact of Salt Intake on Sodium in the Skin and Inflammatory Skin Disease
University of California, San Francisco
- Location
- San Francisco, CA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Stress and Menstrual Health
Duke University
- Location
- Durham, NC
- Eligibility basics
- Ages 22–38 · Women only
- RecruitingHealthy volunteersPhase 2
Building Capacity for Youth Mental Wellness: Family Navigator Model for Foster Parents
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–99
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.