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
Brain-Computer Interfaces in Laryngeal Dystonia
Kristina Simonyan
- Location
- Boston, MA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Characterization of Clinical Phenotypes of Laryngeal Dystonia and Voice Tremor
Massachusetts Eye and Ear Infirmary
- Location
- Boston, MA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Clinical Validation of DystoniaNet Deep Learning Platform for Diagnosis of Isolated Dystonia
Massachusetts Eye and Ear Infirmary
- Location
- Boston, MA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersPhase 4
Retinal Blood Flow and Autoregulation
University of Maryland, Baltimore
- Location
- Baltimore, MD + 3 other US sites
- Eligibility basics
- Ages 18–88
- RecruitingHealthy volunteers
TELEhealth Shared Decision-making COaching for Lung Cancer Screening in Primary Care (TELESCOPE) for Hispanics
Rutgers, The State University of New Jersey
- Location
- New Brunswick, NJ
- Eligibility basics
- Ages 50–77
- RecruitingHealthy volunteers
Decision Algorithm for Vital Sign Assessment in the Outpatient Physical Therapy Setting
Youngstown State University
- Location
- Youngstown, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
External Carotid Blood Flow in Individuals With Post-Bariatric Hypoglycemia
Joslin Diabetes Center
- Location
- Boston, MA
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
A Study of a Test for Postpartum Depression at Home
University of Virginia
- Location
- Charlottesville, VA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Anabolic Response to Beef vs Plant Protein in (Pre)Frail Older Adults Using a Novel Stable Isotope Pulse Method
Texas A&M University
- Location
- College Station, TX
- Eligibility basics
- Ages 65–95
- RecruitingHealthy volunteers
Cutaneous Lupus Registry
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Scleroderma Registry & Repository at the Hospital for Special Surgery
Hospital for Special Surgery, New York
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
In Vivo Metabolic Profiling of CLL (Chronic Lymphocytic Leukemia)
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Perceptual Consequences of Cochlear Implant Electrode-neuron Interfaces
Massachusetts Eye and Ear Infirmary
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 4 mo+
- RecruitingHealthy volunteers
Brain Blood Flow and Lactate in Non-obese and Obese Subjects
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18–45
- RecruitingHealthy volunteersPhase 4
A Trial Comparing Screening Mammography With and Without Assistance From Artificial Intelligence for Breast Cancer Detection and Recall Rates in Adult Patients
Jonsson Comprehensive Cancer Center
- Location
- Los Angeles, CA + 5 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Acuvue Oaysis Contact Lens Wearers Being Refit Into P7 Contact Lenses
Southern College of Optometry
- Location
- Memphis, TN
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Investigating the Safety and Efficacy of the 1927-nm Thulium Laser in Keratosis Pilaris
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Studying the Effects of Nicotine Concentration and Flavor on Alcohol Use in Young Adults
Ohio State University Comprehensive Cancer Center
- Location
- Columbus, OH
- Eligibility basics
- Ages 21–30
- RecruitingHealthy volunteersPhase 4
Effects of Energy Drinks on Cardiovascular Endpoints
University of the Pacific
- Location
- Stockton, CA
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Educate and Improve Underserved Populations' Uptake and Completion of the HPV Vaccine
University of Colorado, Denver
- Location
- Denver, CO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Michigan Food and Atopic Dermatitis (M-FAD) Program - Molecular Analytics Project
University of Michigan
- Location
- Ann Arbor, MI
- Eligibility basics
- Ages 10–55
- RecruitingHealthy volunteers
Prandial Metabolic Phenotyping in Sarcopenic Older Adults Comparing Plant Based and Whey Based Protein
Texas A&M University
- Location
- College Station, TX
- Eligibility basics
- Ages 50–95
- RecruitingHealthy volunteers
BREAST Choice Decision Tool R21 - AIM2
UNC Lineberger Comprehensive Cancer Center
- Location
- Chapel Hill, NC
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Project CARE: CAncer Risk Evaluation
Anita Y. Kinney, PhD, RN
- Location
- New Brunswick, NJ
- Eligibility basics
- Ages 18–70
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.