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
African Americans (AA) Communities Speak
University of Alabama at Birmingham
- Location
- Birmingham, AL + 1 other US site
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
EAT: A Reliable Eating Assessment Technology for Free-living Individuals
Northwestern University
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Allopregnanolone and Dynamic GABA-A Receptor Plasticity in Selective Serotonin Reuptake Inhibitor Responsive Premenstrual Dysphoric Disorder
Johns Hopkins University
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 18–50 · Women only
- RecruitingHealthy volunteers
Identification and Validation of Epigenetic Biomarkers of PMDD
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–50 · Women only
- RecruitingHealthy volunteers
Brain and Behavior Influences on Obesity Development From Infancy Through Childhood
Johns Hopkins University
- Location
- Providence, RI
- Eligibility basics
- Ages 7–12
- RecruitingHealthy volunteers
Routine Validation and Reproducibility Testing of Laboratory Assays and Research Techniques Used for Endocrine, Cardiometabolic, and Musculoskeletal Disorder Research (VALD)
Bettina Mittendorfer
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Implementation Facilitation Pilot for Alcohol Use Disorder (AUD) in Alcohol-associated Liver Disease (ALD)
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Slowly Digestible Carbohydrates for GLP-1 Secretion
Purdue University
- Location
- West Lafayette, IN
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Impact of Obesity on Microvascular Insulin Action and Cardiorespiratory Fitness in Type 1 Diabetes
University of Virginia
- Location
- Charlottesville, VA
- Eligibility basics
- Ages 21–50
- RecruitingHealthy volunteersPhase 4
Effects of Exercise and GLP-1 Agonism on Muscle Microvascular Perfusion and Insulin Action in Adults With Metabolic Syndrome
University of Virginia
- Location
- Charlottesville, VA
- Eligibility basics
- Ages 21–60
- RecruitingHealthy volunteers
4D-MRI for Precision Medicine
University of Virginia
- Location
- Charlottesville, VA
- Eligibility basics
- Ages 18–82
- RecruitingHealthy volunteers
Pancreas Ultrasound Imaging in type1 Diabetes
University of Colorado, Denver
- Location
- Aurora, CO
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Improving Myoelectric Prosthetic and Orthotic Limb Control
University of Utah
- Location
- Salt Lake City, UT
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
School Screening and Telemedicine Specialty Referral to Address Childhood Hearing Loss in Rural Kentucky
University of Arkansas
- Location
- Lexington, KY
- Eligibility basics
- Ages 3–11
- RecruitingHealthy volunteers
Comparison of Intraocular Pressure Measurement With the Novel TonoVera Device With Other Commonly Used Devices
State University of New York at Buffalo
- Location
- Buffalo, NY
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Quantitative Pulmonary Imaging Registry & Biorepository
University of Kansas Medical Center
- Location
- Kansas City, KS
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Relationship Between Abnormal Myocardial Perfusion and Diastolic Dysfunction in Sickle Cell Disease Using PET
St. Jude Children's Research Hospital
- Location
- Memphis, TN
- Eligibility basics
- Ages 18–21
- RecruitingHealthy volunteers
School Screening and Telemedicine Specialty Referral to Address Childhood Hearing Loss in Rural Alaska
University of Arkansas
- Location
- Anchorage, AK
- Eligibility basics
- Ages 3–21
- RecruitingHealthy volunteersPhase 4
Impact of Prophylactic Ephedrine on Fetal Heart Tracing and Uterine Tetanic Contraction After CSE
Icahn School of Medicine at Mount Sinai
- Location
- New York, NY
- Eligibility basics
- Ages 18–55 · Women only
- RecruitingHealthy volunteers
Effect of Adult Spinal Deformity Surgery on Functional Reach
University of Kansas Medical Center
- Location
- Kansas City, KS
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Refining Treatment Options for Trichomonas Vaginalis Infection: A Comparative Analysis of Metronidazole and Secnidazole
Tulane University
- Location
- Birmingham, AL + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Positive Affect Treatment for Adolescents With Early Life Adversity
University of California, Irvine
- Location
- Irvine, CA
- Eligibility basics
- Ages 12–16
- RecruitingHealthy volunteers
Microphthalmia, Anophthalmia, and Coloboma Genetic Epidemiology in Children
Baylor College of Medicine
- Location
- Houston, TX
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Intermittent Fasting on Body Fat and Quality of Life
Loma Linda University
- Location
- Loma Linda, CA
- Eligibility basics
- Ages 18–65
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.