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
Implementing a Novel Consent Process for Biospecimen Research After Newborn Screening
Erin Rothwell
- Location
- Salt Lake City, UT + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Fibrosis Lessens After Metabolic Surgery
The Cleveland Clinic
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Mechanistic Effect of Walnut Consumption on Sleep Quality
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 45–65
- RecruitingHealthy volunteers
Neural Control of Gait & Navigation in ADRD
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 65–89
- RecruitingHealthy volunteersPhase 2
Kick-Nic! Youth Quit Vaping App
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 12–19
- RecruitingHealthy volunteers
Effect of Watermelon on Cardiometabolic Health
University of California, Los Angeles
- Location
- Los Angeles, CA
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteers
Longitudinal Validation of CIRC Technologies
The Cleveland Clinic
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Platelet Volunteers, Longitudinal and Multi-omic Study
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Enhancing Engagement of Partners in Research
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Impact of Irrisept in Reducing Urinary Tract Infection During Urethral Catheter Removal.
Ohio State University
- Location
- Columbus, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Self-collection for HPV Testing to Improve Cervical Cancer Prevention (SHIP) Trial (LMI-001-A-S04)
National Cancer Institute (NCI)
- Location
- Birmingham, AL + 17 other US sites
- Eligibility basics
- Ages 25+ · Women only
- RecruitingHealthy volunteers
Motivating Activity Through Text Communications - Helping Adults Increase Movement
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Functional Evaluation in Patients With Urea Cycle Disorders (UCD) During a Driving Task
St. Jude Children's Research Hospital
- Location
- Memphis, TN
- Eligibility basics
- Ages 16–40
- RecruitingHealthy volunteers
Tirzepatide Impact Assessment Study
Texas Tech University
- Location
- Lubbock, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Outcomes in Simulated Endoscopy Training
University of Oklahoma
- Location
- Oklahoma City, OK
- Eligibility basics
- Ages 22–50
- RecruitingHealthy volunteers
Maternal Smoking Cessation and Pediatric Obesity Prevention
State University of New York at Buffalo
- Location
- Buffalo, NY
- Eligibility basics
- Ages 18–39 · Women only
- RecruitingHealthy volunteers
Long-term COVID and Rehabilitation
VA Office of Research and Development
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Implementation of a Clinical Decision Support Tool for Postpartum Depression
Weill Medical College of Cornell University
- Location
- New York, NY + 2 other US sites
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersPhase 2
CUE-101with Pembrolizumab for Locally Advanced HPV+HNSCCs
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Venous Compression in Fontan
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 3
Suzetrigine in Total Hip Arthroplasty
Hospital for Special Surgery, New York
- Location
- New York, NY
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Efficacy of the Buzzy System on Pain and Fear Reduction in Elbow Fracture Pin Removal
University of Oklahoma
- Location
- Oklahoma City, OK + 1 other US site
- Eligibility basics
- Ages 3–10
- RecruitingHealthy volunteers
Treating Contact Lens Discomfort With Varenicline Solution Nasal Spray 0.03mg
Ocular Aesthetics, LLC dba Ocular Clinical Trials
- Location
- Houston, TX
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
New Assessment System in Measuring Symptom Distress in Cancer Patients
M.D. Anderson Cancer Center
- Location
- Houston, 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.