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
Impact of Circulating and Tissue-specific Lipids on Vascular Function and Insulin Sensitivity in Chronic Night Shift Workers
Colorado State University
- Location
- Fort Collins, CO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Ultrasound to View Abdominal Wall Muscle Layers
Corewell Health South
- Location
- Saint Joseph, MI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Investigating Patient Satisfaction With Smart Knee Implants
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Change in Social Media Use and Well-being Among College Students Receiving a Two-week Exercise or Mindfulness Intervention
Johns Hopkins Bloomberg School of Public Health
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Clinical Trial on Rapid Immune Modulating Effects
Natural Immune Systems Inc
- Location
- Klamath Falls, OR
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 4
Methadone to Reduce Chronic Opioid Use After Major Spine Surgery: The MEND Pilot Feasibility Study
The Cleveland Clinic
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18–72
- RecruitingHealthy volunteers
Examining Bronchial Hyperresponsiveness in Primary Ciliary Dyskinesia
Indiana University
- Location
- Indianapolis, IN
- Eligibility basics
- Ages 6+
- RecruitingHealthy volunteers
Alzheimer's Prevention Registry: A Program to Accelerate Enrollment Into Studies
Banner Health
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 18–110
- RecruitingHealthy volunteers
EsophaCap for the Detection of Early Esophageal Carcinoma
Johns Hopkins University
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
How is Social Connection Represented in the Brain?
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Biospecimen Biorepository for the Study of ALS, ALS-FTD and Similar Neurodegenerative Disorders
Mayo Clinic
- Location
- Jacksonville, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Mobile Health Intervention Among Hispanics
Rutgers, The State University of New Jersey
- Location
- New Brunswick, NJ
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Establishing New Treatment Approaches for Amblyopia: Perceptual Learning and Video Games
Nova Southeastern University
- Location
- Fort Lauderdale, FL
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Hypoparathyroidism Natural History Study
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Oxalate and Citrate in Humans - Response to Citrate
University of Chicago
- Location
- Chicago, IL
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
weSIPsmarter: Evaluating a Digital Health Intervention Aimed at Reducing Sugary Drinks Among Rural Head Start Preschoolers and Their Parents
University of Virginia
- Location
- Christiansburg, VA
- Eligibility basics
- Ages 2+
- RecruitingHealthy volunteersPhase 2
Omega-3D: Omega-3 for Diet-Driven Health Disparities
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteers
Rise With Resilience
Emory University
- Location
- Atlanta, GA
- Eligibility basics
- Ages 18–26
- RecruitingHealthy volunteers
A Study for Imaging the Lower Gastrointestinal Tract Using a Retro-TCE Capsule
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
BPIT 5-Week Multi-Site Study: Movement Efficiency, Mobility & Neuromuscular Adaptation
MMSx Authority Institute for Movement Mechanics & Biomechanics Research Inc.
- Location
- Columbus, OH + 2 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
A Mindfulness-Based Intervention to Reduce Stress Through the Cultivation of Loving-Kindness, Compassion, Joy, and Equanimity in Healthcare Professionals
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Ultralow Dose PET Imaging for 18F-NaF Uptake
Akiva Mintz
- Location
- Englewood, NJ
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Mindfulness Walking Intervention to Enhance Resilience (iWalk)
University of Illinois at Urbana-Champaign
- Location
- Urbana, IL
- Eligibility basics
- Ages 18–110
- RecruitingHealthy volunteers
Interventions for Postoperative Delirium: Biomarker-3
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 60+
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.