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
Improving Productive Community Integration in Homeless-experienced Veterans
VA Office of Research and Development
- Location
- West Los Angeles, CA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 4
Bupivacaine With Epinephrine Over Diaphragm in Laparoscopy
Cedars-Sinai Medical Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Vaginal Natural Orifice Transluminal Endoscopic (vNOTE) Hysterectomy With Uterosacral Suspension
The University of Texas Health Science Center, Houston
- Location
- Houston, TX
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Alcohol Sensitivity Among Older Adults Who Consume Alcohol
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 65–80
- RecruitingHealthy volunteers
Effects of Caffeine on Chess Performance and Cognitive Function in Professional Chess Players
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Advancing Stillbirth Prevention Through Innovative Risk Evaluation (ASPIRE) Clinical Study
Medicines360
- Location
- Baton Rouge, LA
- Eligibility basics
- Ages 18–99 · Women only
- RecruitingHealthy volunteers
Enhancing Voluntary Motion in Broad Patient Populations With Modular Powered Orthoses Renewal
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteersPhase 2
Inflammation and Medical Provider Attitudes, Cognition, and Treatment Decisions Study
University of Arkansas, Fayetteville
- Location
- Fayetteville, AR + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Sex Hormones and Aging
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 50–70 · Women only
- RecruitingHealthy volunteersPhase 4
Autonomic and Renal Contributions to Hypertension With ADT
Virginia Commonwealth University
- Location
- Richmond, VA
- Eligibility basics
- Ages 40+ · Men only
- RecruitingHealthy volunteers
Visual Hallucinations in Lewy Body Diseases
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Two-Week Stair-Climbing Exercise Snacks and Metabolic Health in Adults With Overweight or Obesity: A Pilot Study
St. Louis University
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
The Neurodevelopmental and Behavioral Phenotyping Screening Protocol
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1 mo+
- RecruitingHealthy volunteers
Urolift Pre-SBRT for Reduced Urinary Toxicity in Patients With BPH and Prostate Cancer.
Northwell Health
- Location
- Syosset, NY
- Eligibility basics
- Ages 50–99 · Men only
- RecruitingHealthy volunteers
Remote Digital Physiologic Data Collection in Cancer: An MSK Registry Protocol
Memorial Sloan Kettering Cancer Center
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Early Metabolic Effects of Antiretroviral Drugs in Healthy volUnteers: a Phase 2 Randomized Study
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
HeartShare: Combining Omics, Deep Phenotyping, and Electronic Health Records for Heart Failure Subtypes and Treatment Targets
Northwestern University
- Location
- Sacramento, CA + 3 other US sites
- Eligibility basics
- Ages 30+
- RecruitingHealthy volunteers
Myocardial Mechanisms in Heart Failure With Preserved Ejection Fraction
Northwestern University
- Location
- Chicago, IL + 5 other US sites
- Eligibility basics
- Ages 30+
- RecruitingHealthy volunteers
Building Community Living Labs in Black Communities to Advance Prostate Health Equity and Reduce Prostate Cancer Disparities in Black Men
Mayo Clinic
- Location
- Jacksonville, FL
- Eligibility basics
- Ages 21–80
- RecruitingHealthy volunteers
Does a Periaqueductal Gray-vagus Nerve Interface Malfunction Explain the Nat hx With Its Numerous Co-morbidities?
Virginia Commonwealth University
- Location
- Richmond, VA
- Eligibility basics
- Ages 12–21 · Women only
- RecruitingHealthy volunteers
Teen Health Choices & Wellness
Brown University
- Location
- Providence, RI
- Eligibility basics
- Ages 13–16
- RecruitingHealthy volunteers
SBIR/ STTR Family Check-up Online
University of Oregon
- Location
- Eugene, OR
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Dairy Choline Bioavailability
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 51–70 · Women only
- RecruitingHealthy volunteersPhase 2
Pregnenolone as a Treatment for Cannabis Intoxication
Johns Hopkins University
- Location
- Baltimore, MD
- 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.