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
Physiological Responses to Heat Stress During High-risk Events
United States Army Research Institute of Environmental Medicine
- Location
- Fort Novosel, AL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Reducing Obesity Through Play Among Toddlers: Tiny Steps to Health (TSHS) Study
University of Houston
- Location
- Houston, TX
- Eligibility basics
- Ages 1–3
- RecruitingHealthy volunteers
Ultrasound Perfusion Estimation for Assessment of Peripheral Arterial Disease
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Telemedicine to Support Living Kidney Donor Candidates
University of California, Irvine
- Location
- Orange, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Study Of Resilience And Mental Well-Being Through Breathing Practice For Clinical Care Professionals
Mayo Clinic
- Location
- Eau Claire, WI
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteers
Clinical Outcome Assessment for AT & BCI
Shirley Ryan AbilityLab
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Rehab and Mechanical Ventilation
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Ages 25–80
- RecruitingHealthy volunteers
SeeMe: Using Automated Facial Tracking to Detect Voluntary Behavior in Brain Injury
Stony Brook University
- Location
- Stony Brook, NY
- Eligibility basics
- Ages 22–85
- RecruitingHealthy volunteersPhase 2
Effects of Ondansetron on Gastrointestinal Sensorimotor Dysfunctions in Diabetes Mellitus and Dyspepsia
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Clinical and Biological Characteristics of Hidradenitis Suppurativa
University of California, San Francisco
- Location
- San Francisco, CA
- Eligibility basics
- Ages 13+
- RecruitingHealthy volunteers
Neural Basis of Sensory Learning: Brain Regions
Indiana University
- Location
- Bloomington, IN
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 3
Integrating Financial Coaching and Smoking Cessation Coaching
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Esophageal and Gastric Registry and Biorepository
University of Louisville
- Location
- Louisville, KY
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteersPhase 4
Usage of Spirometry in Managing IgG Therapy in CVID With Airway Disease
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Surgical Treatment of Recurrent Shoulder Dislocations
Nova Scotia Health Authority
- Location
- New York, NY
- Eligibility basics
- Ages 16–40
- RecruitingHealthy volunteers
Validating a New Machine-Learned Accelerometer Algorithm Using Doubly Labeled Water
University of Wisconsin, Milwaukee
- Location
- Milwaukee, WI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
History of Neonatology
Rutgers, The State University of New Jersey
- Location
- New Brunswick, NJ
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
LPFC Organization in Emotion-Duration Difference Estimation
University of California, Santa Barbara
- Location
- Santa Barbara, CA
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteers
Brain Mechanisms of Reducing Polysubstance Use
Arizona State University
- Location
- Phoenix, AZ
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Regulation of Affect and Physiology in Depression
University of Southern California
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18–27
- RecruitingHealthy volunteers
Increasing the Repertoire of Intermuscular Co-ordination Post Stroke Through EMG-Guided Human-Machine Interaction
University of Houston
- Location
- Houston, TX
- Eligibility basics
- Ages 40–75
- RecruitingHealthy volunteers
Evaluation of the LithoVue Elite Ureteroscope With Intra-Renal Pressure Monitoring Technology: Examination of Surgeon Behavior and Post-operative Outcomes
University of Kansas Medical Center
- Location
- Kansas City, KS
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Kidney Function in People With Cystic Fibrosis in the Era of HEMT
University of Virginia
- Location
- Birmingham, AL + 2 other US sites
- Eligibility basics
- Ages 7+
- RecruitingHealthy volunteers
HealthySteps + PlayReadVIP
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Up to age 6 mo
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.