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 volunteersPhase 4
Evaluating Injection With the Use of Brimonidine Tartrate Ophthalmic 0.025% on Patients Using Netarsudil 0.02%/Latanoprost 0.005% to Treat Glaucoma
Insight Eyecare Specialties, Inc. dba Vision Source Eyecare,
- Location
- Kansas City, MO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Examining the Impact of Exercise Training on Vascular Dysfunction in Individuals With Mental Health Disorders - Study 2
Virginia Commonwealth University
- Location
- Richmond, VA
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Modulating Goal-directed Navigation Using Noninvasive Brain Stimulation
Rutgers, The State University of New Jersey
- Location
- Newark, NJ
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Determinants of Bone Dimensional Changes After Extraction and Alveolar Ridge Preservation
Marquette University
- Location
- Milwaukee, WI
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Ultrasound for Healthy Aging
The University of Texas Health Science Center at San Antonio
- Location
- San Antonio, TX
- Eligibility basics
- Ages 70+
- RecruitingHealthy volunteers
Developmental Trajectories of Reinforcer Pathology and Childhood Obesity
State University of New York at Buffalo
- Location
- Buffalo, NY
- Eligibility basics
- Ages 8–11
- RecruitingHealthy volunteers
Building on Trust: Navigating Preventive Lung, Breast, and Prostate Cancer Screenings at Community Resource Spots
AdventHealth
- Location
- Orlando, FL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Electrophysiological Source Imaging Guided Transcranial Focused Ultrasound
Carnegie Mellon University
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 18–64
- RecruitingHealthy volunteers
Morning Bright Light to Improve Sleep Quality in Veterans
Portland VA Medical Center
- Location
- Portand, OR
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Transvaginal Ultrasonography as a Screening Method for Ovarian Cancer
John R van Nagell
- Location
- Lexington, KY
- Eligibility basics
- Ages 24+ · Women only
- RecruitingHealthy volunteers
Advancing Suicide Intervention Strategies for Teens During High Risk Periods
Seattle Children's Hospital
- Location
- Columbus, OH + 1 other US site
- Eligibility basics
- Ages 11–17
- RecruitingHealthy volunteers
Eliminating Barriers to Colorectal Cancer Screening Using Rapid Cycle Testing: A Pilot Study
Massachusetts General Hospital
- Location
- Boston, MA + 3 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Improving Colonoscopy Surveillance for Patients With High Risk Colon Polyps
Jonsson Comprehensive Cancer Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
NAFLD Clinical Care Pathway
VA Office of Research and Development
- Location
- Houston, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Endothelial Dysfunction After SCI
Craig Hospital
- Location
- Englewood, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Genesis Electrical Impedance Tomography (EIT): A Preliminary Study
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 0 mo–40
- RecruitingHealthy volunteers
Supporting Health in Veterans With Heart Failure
Florida State University
- Location
- Gainesville, FL + 3 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Obstacle Negotiation in Older People With and Without Vision Impairment
Indiana University
- Location
- Bloomington, IN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Health Without Barriers/Salud Sin Barreras
Colorado State University
- Location
- Durango, CO
- Eligibility basics
- Ages 11–19
- RecruitingHealthy volunteers
Cold and Heat Investigation to Lower Levels of Depression
Barry Sandler
- Location
- Edwards, CO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
CRC Screening in Unscreened Individuals 45-54
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 45–54
- RecruitingHealthy volunteers
Positive Fit to Colonoscopy: Closing the Gap
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 45–75
- RecruitingHealthy volunteers
LT Comparative Effectiveness of 2 Caries Treatments
Case Western Reserve University
- Location
- Cleveland, OH
- Eligibility basics
- Ages 62+
- RecruitingHealthy volunteers
Enhancing Resiliency and Optimizing Readiness in Military Personnel
The University of Texas Health Science Center at San Antonio
- Location
- Killeen, TX
- Eligibility basics
- Ages 18+
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.