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
Development of Quantitative Muscle Imaging as a Biomarker of Disease Endpoints in Myotonic Dystrophy
Wake Forest University Health Sciences
- Location
- Winston-Salem, NC
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Pilot Test of Five Weight Neutral Interventions to Improve Health Among Adults of Higher Body Weight
The Miriam Hospital
- Location
- Providence, RI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Human iPSC for Repair of Vasodegenerative Vessels in Diabetic Retinopathy
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 21–98
- RecruitingHealthy volunteersPhase 2
Postpartum Low-Dose Aspirin and Preeclampsia
Columbia University
- Location
- New York, NY
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
The Hepatitis C Transplant Collaborative
Baylor Research Institute
- Location
- Dallas, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
UPenn Observational Research Repository on Neurodegenerative Disease
University of Pennsylvania
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Unhide® Project: A Digital Health Platform to Collect Lifestyle Data for Brain Inflammation Research
Brain Inflammation Collaborative
- Location
- Delafield, WI
- Eligibility basics
- Ages 2+
- RecruitingHealthy volunteers
Cardiac Magnetic Resonance Tissue Characterization in COVID-19 Survivors
Weill Medical College of Cornell University
- Location
- Brooklyn, NY + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
REcovery From DEXmedetomidine-induced Unconsciousness
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 4
Split Face Study of the Duration of Local Anesthetics - Fourth Arm
Weill Medical College of Cornell University
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Problem Behavior Assessment and Intervention in IDEA Part C Services
University of Nevada, Las Vegas
- Location
- Las Vegas, NV
- Eligibility basics
- Ages 0 mo–5
- RecruitingHealthy volunteers
Wavefront-guided LASIK Surgery Compared to Ray Tracing-Guided LASIK Surgery
Stanford University
- Location
- Palo Alto, CA
- Eligibility basics
- Ages 22–59
- RecruitingHealthy volunteers
Maternal Newborn Health Registry
NICHD Global Network for Women's and Children's Health
- Location
- Birmingham, AL + 7 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Effects of Mixed Nut Consumption on Satiety and Weight Management
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Effects of Watermelon Juice on Heart Rate Recovery and Post-exercise Muscle Soreness
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 21–50
- RecruitingHealthy volunteers
Effects of Fresh Watermelon Consumption on Satiety and Cardiometabolic Health
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Effects of Snack Types on Acute Glucose and Insulin Response
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Effects of Fresh Mango Pulp Consumption on Satiety and Cardiometabolic Health
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Effects of Watermelon Consumption on Satiety and Digestive Health
San Diego State University
- Location
- San Diego, CA
- Eligibility basics
- Ages 10–55
- RecruitingHealthy volunteers
Breath Analysis & Malnutrition
Pennington Biomedical Research Center
- Location
- Baton Rouge, LA
- Eligibility basics
- Ages 18–95
- RecruitingHealthy volunteers
EnCoRe MoMS: Engaging Communities to Reduce Morbidity From Maternal Sepsis (Aim 1)
Columbia University
- Location
- New York, NY + 3 other US sites
- Eligibility basics
- Any age listed · Women only
- RecruitingHealthy volunteers
Mechanisms of Anabolic Resistance in Older Humans
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 21–85
- RecruitingHealthy volunteers
Strength Training Response of Muscle in GLP-1 Users
Virginia Polytechnic Institute and State University
- Location
- Blacksburg, VA
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Impact of Haskap Berries on Recovery From High Intensity Resistance Training
Montana State University
- Location
- Bozeman, MT
- Eligibility basics
- Ages 18–35
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.