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
IH, Brain Health, and T2D
Darren P Casey
- Location
- Iowa City, IA
- Eligibility basics
- Ages 60–85
- RecruitingHealthy volunteersPhase 2
Sodium-Glucose Cotransporter-2 Inhibitor for Patients With Acute Cardiorenal Syndrome
Yale University
- Location
- New Haven, CT + 1 other US site
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteers
Culturally Targeted Health Communication and Receptivity to the Human Papillomavirus Vaccine Among Parents in Flint, MI
Michigan State University
- Location
- Flint, MI
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Implementation of eHealth Delivery Alternatives for Cancer Genetic Testing for Hereditary Cancer (eREACH3)
Abramson Cancer Center at Penn Medicine
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Utility of Thenar Near Infrared Spectroscopy (NIRS) in Pediatric Patients With Heart Failure
University of Florida
- Location
- Gainesville, FL
- Eligibility basics
- Up to age 25
- RecruitingHealthy volunteers
Imaging Oxidative Metabolism and Neurotransmitter Synthesis in the Human Brain
University of Texas Southwestern Medical Center
- Location
- Dallas, TX
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Effects of Combination Exercise on Fatigability in Veterans With Chronic Kidney Disease
VA Office of Research and Development
- Location
- Washington D.C., DC
- Eligibility basics
- Ages 50–85
- RecruitingHealthy volunteers
Observational Study of Exposure to Environmental Toxicants Among Firefighters
Masonic Cancer Center, University of Minnesota
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Speech Pattern Evaluation and Analysis for Knowledge of AD
University of Wisconsin, Madison
- Location
- Madison, WI
- Eligibility basics
- Ages 40–80
- RecruitingHealthy volunteers
Noncombustible Nicotine Delivery Systems as Potential Harm Reduction Tools for Persistent Cigarette Smokers
Abramson Cancer Center at Penn Medicine
- Location
- Philadelphia, PA
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Concurrent TMS-fMRI
Jing Jiang
- Location
- Iowa City, IA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Dissecting Human Immune Responses to Infection With Influenza or SARS-CoV-2
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteersPhase 4
The Role of Heliox in Respiratory Control
Indiana University
- Location
- Bloomington, IN
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Postnatal Exercise to Activate Baby's Brown Fat
Joslin Diabetes Center
- Location
- Boston, MA + 1 other US site
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteersPhase 3
Early Withdrawal Exposure and Negative Affect Withdrawal (NAW) Regulation Training for Smoking Cessation
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Mapping and Quantifying Lymphatic Drainage of the Arm's Alternate Pathway
Beth Israel Deaconess Medical Center
- Location
- Boston, MA
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersPhase 2
Effect of Novel Exhalational Delivery System With Fluticasone (EDS-FLU) on Eustachian Tube Dysfunction (ETD)
Cedars-Sinai Medical Center
- Location
- Los Angeles, CA + 3 other US sites
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Predictors of Behavioral Obesity Treatment Outcomes
Rush University Medical Center
- Location
- Chicago, IL
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Stress & Self-Control Costs
NYU Langone Health
- Location
- New York, NY
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 2/Phase 3
Using Navigation to Improve Accuracy of Maxillary Balloon Sinusotomy
Cedars-Sinai Medical Center
- Location
- Los Angeles, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Decision-Making in Schizophrenia: A Combined Neuroimaging and Experience Sampling Study
Rutgers, The State University of New Jersey
- Location
- Piscataway, NJ
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Exome and Genome Analysis to Elucidate Genetic Etiologies and Population Characteristics in the Plain Community
University of Pittsburgh
- Location
- Pittsburgh, PA
- Eligibility basics
- Up to age 100
- RecruitingHealthy volunteers
A Prospective Registry for Patients at High-Risk for Pancreatic Cancer
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Imaging Depression in Parkinson's Disease
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 40–80
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.