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
Emergency Medicine Peer Outreach Worker Engagement for Recovery
University of California, Los Angeles
- Location
- Providence, RI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluation of the Potential of Grape Consumption to Improve Muscle Strength and Cognitive Function
Western New England University
- Location
- Springfield, MA
- Eligibility basics
- Ages 65+ · Women only
- RecruitingHealthy volunteers
American Joint Replacement Registry
American Joint Replacement Registry
- Location
- Rosemont, IL
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
ECA-enhanced Document Explanation RCT
Northeastern University
- Location
- Boston, MA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Pilot of Reconnecting to Internal Sensations and Experiences in Undergraduates
Auburn University
- Location
- Auburn, AL
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Cerebellum and Autism: Regional Specialization for Social and Executive Functions
American University
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
MAP for Coaches: Translating Sports Injury Prevention Knowledge to Youth Sport Coaches
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Sensory Adapted Dental Environments to Enhance Oral Care for Children With and Without Dental Fear and Anxiety
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 6–12
- RecruitingHealthy volunteers
Evaluation of Aim to Play, a User-Friendly Digital Application for Teacher Skills Training and Physical Education Activities for 3-5 Grade Students
Saavsus, Inc.
- Location
- Eugene, OR + 1 other US site
- Eligibility basics
- Ages 7+
- RecruitingHealthy volunteers
Testing Educational Modalities for Temporomandibular Disorders Curriculum
Midwestern University
- Location
- Downers Grove, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
PrEP Intervention in Prince George's County, Maryland
George Mason University
- Location
- Fairfax, VA
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteers
Mapping Corticoreticulospinal Motor Control in Chronic Hemiparetic Stroke
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Lipoprotein Interactions and Platelet Function in Healthy Individuals and Those With Lipid Disorders
The Miriam Hospital
- Location
- East Providence, RI + 1 other US site
- Eligibility basics
- Ages 18–69
- RecruitingHealthy volunteers
Diffusion MRI for Quantitative Assessment of Myofascial Pain
Weill Medical College of Cornell University
- Location
- New York, NY + 1 other US site
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Novel Multimodal Neural, Physiological, and Behavioral Sensing and Machine Learning for Mental States
University of Southern California
- Location
- Downey, CA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Three-Phase Contralateral Comparison of Ray-Tracing Guided LASIK Versus Three Other Refractive Surgery Platforms to Correct Myopia or Myopia With Astigmatism
Hoopes Vision
- Location
- Draper, UT
- Eligibility basics
- Ages 22–50
- RecruitingHealthy volunteers
Team Lifestyle Immersion Hypertension Control Project
Meharry Medical College
- Location
- Nashville, TN
- Eligibility basics
- Ages 30–80
- RecruitingHealthy volunteers
Mindfulness in Endometrial and Cervical Cancer
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–90 · Women only
- RecruitingHealthy volunteersPhase 2
Acute Equol Supplementation and Vascular Function in Women With and Without CKD
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 50–69 · Women only
- RecruitingHealthy volunteers
Lutein, Zeaxathin, and Fish Oil Supplementation
Texas A&M University
- Location
- College Station, TX
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
A Study to Evaluate Community-Based Measures to Increase RSV Vaccine Use Among Latino Adults
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluating Response to Vitamin D3 and K2 Supplementation in Healthcare Personnel
Madigan Army Medical Center
- Location
- Tacoma, WA
- Eligibility basics
- Ages 18–69
- RecruitingHealthy volunteers
Hippocampal and Frontoparietal Development and Inference
University of Texas at Austin
- Location
- Austin, TX
- Eligibility basics
- Ages 13–25
- RecruitingHealthy volunteers
Evaluating Crosslinked Hyaluronate Canalicular Gel for the Treatment of DED in Patients Undergoing Cataract Surgery
Vance Thompson Vision
- Location
- Sioux Falls, SD
- Eligibility basics
- Ages 22+
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.