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.
4,995 recruiting studiesSource: ClinicalTrials.gov, refreshed October 27, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteersOvernight stay mentioned
Effect of Battlefield Acupuncture on Pain Control During Inpatient Treatment of Exertional Rhabdomyolysis
Tripler Army Medical Center
- Location
- TAMC, HI
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteersPhase 1/Phase 2
Abemaciclib in Combination With Bicalutamide for Androgen Receptor-positive, HER2-negative Metastatic Breast Cancer
Icahn School of Medicine at Mount Sinai
- Location
- New York, NY + 2 other US sites
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteersEarly Phase 1
A Study of Niacin Regulation
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersEarly Phase 1
Regional Lipolysis Insulin Regulation
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteersPhase 1
Effect of Cannabis on E-Cigarette Use Behavior
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteersPhase 1
E-CEL UVEC Treatment for Anal Fissures
Weill Medical College of Cornell University
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
Stimulating After Recovery From Traumatic Brain Injury
University of Minnesota
- Location
- Minneapolis, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
Neurobehavioral Mechanisms Linking Childhood Adversity to Increased Risk for Smoking
Duke University
- Location
- Durham, NC
- Eligibility basics
- Ages 18–21
- RecruitingHealthy volunteersEarly Phase 1
Remimazolam NeuroImaging
Keith M Vogt
- Location
- Pittsburgh, PA
- Eligibility basics
- Ages 18–59
- RecruitingHealthy volunteersPhase 1
MDMA-Assisted Therapy for Mental Healthcare Providers
Rachel Yehuda
- Location
- New York, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersOvernight stay mentioned
Patients and Families Improving Safety in Hospitals by Actively Reporting Experiences
Boston Children's Hospital
- Location
- Boston, MA
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteersEarly Phase 1
PET Imaging of MMP Activation in AAA: Clinical Component
Washington University School of Medicine
- Location
- St Louis, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
[18F]F-DOPA Imaging in Patients With Autonomic Failure
Daniel Claassen
- Location
- Nashville, TN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
Dietary and Topical Magnesium Replacement or Supplementation in Patients With Lymphoma
Mayo Clinic
- Location
- Rochester, MN
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
SV2A Density Cannabis Use Disorder
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersEarly Phase 1
Chronic Transcutaneous Stimulation to Promote Motor Function and Recovery in Individuals With Paralysis or Paresis
Northwell Health
- Location
- Manhasset, NY
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 1
Open-Label Psilocybin Study in Transdiagnostic Population
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Preliminary Evaluation of [68Ga]CBP8 in Healthy Individuals, Lung Cancer, and Idiopathic Pulmonary Fibrosis Patients
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersPhase 1
Positron Emission Tomography (PET) Imaging of Thrombosis
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteersEarly Phase 1
Statin Therapy in Primary Sclerosing Cholangitis (PSC): a Multi-omics Study
Stanford University
- Location
- Stanford, CA
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteersEarly Phase 1
CMV-specific HIV-CAR T Cells as Immunotherapy for HIV/AIDS
City of Hope Medical Center
- Location
- Duarte, CA + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Investigation of Psychedelic Effects in Psychoactive Substances
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 25–55
- RecruitingHealthy volunteersPhase 1
Alternation in the Human Microbiome With Commonly Used Topical Medications
University of California, Davis
- Location
- Sacramento, CA
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
Exploring the Effects of an Intravaginal Lactic Acid Gel on the Vaginal Microbiome
Queen's Medical Center
- Location
- Honolulu, HI
- Eligibility basics
- Ages 18–54 · Women only
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.