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
A Study of Changes in Thinking Related to Aging and Cancer in Breast Cancer Survivors (TRAC)
Memorial Sloan Kettering Cancer Center
- Location
- Basking Ridge, NJ + 6 other US sites
- Eligibility basics
- Ages 60–80 · Women only
- RecruitingHealthy volunteers
Transcranial Photobiomodulation in Anxiety Disorders
Francisco Gonzalez-Lima, PhD
- Location
- Austin, TX
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Impact of Uterine and Ovarian Vessel Occlusion on Blood Loss in High Burden Minimally Invasive Myomectomy.
The University of Texas Health Science Center, Houston
- Location
- Houston, TX
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Hypknowledge Nationwide Sleep Extension
University of Arizona
- Location
- Tucson, AZ
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Feasibility and Clinical Utility of Paired Non-Invasive Hemodynamic and Tissue Oximetry Monitoring to Detect Limb Ischemia in Lithotomy-Positioned Surgeries
The University of Texas Health Science Center, Houston
- Location
- Houston, TX
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteers
Clinical Performance of Verofilcon A Toric Contact Lenses
Southern College of Optometry
- Location
- Memphis, TN
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Cardiac-Control Affecting Learning Through Mindfulness (CALM)
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 50–70
- RecruitingHealthy volunteers
Evaluation of Stepping Stones
The Policy & Research Group
- Location
- New Orleans, LA
- Eligibility basics
- Ages 12–22
- RecruitingHealthy volunteers
Metabolic Health, Bones and Nuts During Weight Loss in Adults
Rutgers, The State University of New Jersey
- Location
- New Brunswick, NJ
- Eligibility basics
- Ages 50–75
- RecruitingHealthy volunteers
Neural Mechanisms of Light Driven Analgesia
University of North Carolina, Chapel Hill
- Location
- Chapel Hill, NC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluation of Brain MRI Changes in Cerebral Palsy Patients
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Maternal Intake of Eggs and Infant Neurodevelopment
University of Kansas Medical Center
- Location
- Kansas City, KS
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Low Energy Availability and Hypertension in Division I HBCU Athletes
North Carolina Agriculture & Technical State University
- Location
- Greensboro, NC
- Eligibility basics
- Ages 18–26
- RecruitingHealthy volunteers
Morphea in Adults and Children (MAC) Cohort Study: A Morphea Registry and DNA Repository
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Up to age 90
- RecruitingHealthy volunteers
The Early and Late Contribution of Fasting and Postprandial Triglycerides on Newborn Subcutaneous and Intrahepatic Fat in Pregnancy
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 0 mo–39
- RecruitingHealthy volunteers
Characterization of Human Olfactory Amygdala Subregions
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Longitudinal Oral Microbiome Sampling for BE
Columbia University
- Location
- Ann Arbor, MI + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Working Memory and Physical Exercise Training in Patients With Mild Cognitive Impairment
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
Parathyroid Tumor Clonal Status
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–80 · Women only
- RecruitingHealthy volunteers
Coagulopathy of Immunodermatologic Diseases
University of Nebraska
- Location
- Omaha, NE
- Eligibility basics
- Ages 19+
- RecruitingHealthy volunteers
Self-sampling to Optimize Anal Lesion Outcomes
Medical College of Wisconsin
- Location
- Chicago, IL + 2 other US sites
- Eligibility basics
- Ages 35+
- RecruitingHealthy volunteers
Nen ŨnkUmbi/EdaHiYedo Plus (We Are Here Now Plus): a Multi-level Intervention to Reduce Health Disparities Among American Indian Youth
Montana State University
- Location
- Bozeman, MT
- Eligibility basics
- Ages 12–18
- RecruitingHealthy volunteers
Spatial Scene Recognition Memory in Epilepsy Surgery
University of California, Davis
- Location
- Sacramento, CA + 1 other US site
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Sleep Behaviors in Pregnancy
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 18+ · Women 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.