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
Study of Systemic Lupus Erythematosus
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–120
- RecruitingHealthy volunteers
Use of CA125 and Complementary Biomarkers for the Early Detection of Ovarian Cancer in Low Risk Women
M.D. Anderson Cancer Center
- Location
- Miami, FL + 9 other US sites
- Eligibility basics
- Ages 50–74 · Women only
- RecruitingHealthy volunteers
Tumor Cell and DNA Detection in the Blood, Urine, and Bone Marrow
University of Missouri-Columbia
- Location
- Columbia, MO
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Attentional Biases, Reward Sensitivity, and Cognitive Control in Adults With Bipolar Disorder
University Hospitals Cleveland Medical Center
- Location
- Cleveland, OH
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Longitudinal Studies of Patient With FPDMM
National Human Genome Research Institute (NHGRI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–100
- RecruitingHealthy volunteers
Technical Development of Cardiovascular Magnetic Resonance Imaging
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Washington D.C., DC + 1 other US site
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Targeting Specific Brain Networks to Treat Specific Symptoms in Depression
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Reversibility of Brain Glucose Transport in Type 2 Diabetes Mellitus (T2DM)
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Cognitive Strategies for Optimizing Brain Health And Managing Transgenerational Vascular Risk Factors Post-Stroke
University of New Mexico
- Location
- Albuquerque, NM
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
A Study of Lung Cancer Screening in People With Unexplained Weight Loss
Memorial Sloan Kettering Cancer Center
- Location
- Basking Ridge, NJ + 7 other US sites
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
The Effect of Light Intervention on Recovery in Individuals With Opioid Use Disorder (OUD)
University of Alabama at Birmingham
- Location
- Birmingham, AL
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Interactive Roles of Cardiorespiratory Fitness and Adiposity on Glucose and Vascular Control After Physical Inactivity
Miami University
- Location
- Oxford, OH
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteersPhase 4
Biotivity A-C Membrane Socket Preservation Study
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Longitudinal Deep Phenotyping of Central Mechanisms in Dysosmia: A Pilot Study Using Electrobulbogram (EBG), Functional MRI (fMRI), and Diffusion-Weighted Imaging (DWI)
National Institute on Deafness and Other Communication Disorders (NIDCD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Testing an Educational Program to Improve Goals of Care Conversations Between Patients and Their Care Teams
SWOG Cancer Research Network
- Location
- Little Rock, AR + 6 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
On Track for Wellness (OTW) Stepped Wedge Cluster Randomized Trial
University of Illinois at Chicago
- Location
- Chicago, IL
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Combatting HIV Or Other STIs Early (CHOOSE)
Westat
- Location
- San Francisco, CA + 5 other US sites
- Eligibility basics
- Ages 13–24 · Men only
- RecruitingHealthy volunteers
Vagustim™ Transcutaneous Auricular Vagus Nerve Stimulation Devices
Northwell Health
- Location
- New Hyde Park, NY
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Genetic Studies of Insulin and Diabetes
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 6 mo–120
- RecruitingHealthy volunteers
Comprehensive Multimodal Analysis of Neuroimmunological Diseases of the Central Nervous System
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1 mo–99
- RecruitingHealthy volunteers
Development of Magnetic Resonance Spectroscopic Imaging Techniques for Imaging Metabolites in Human Brain and Muscle
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
A Study to Test the Diagnostic Potential of Brillouin Microscopy for Corneal Ectasia
Massachusetts General Hospital
- Location
- Boston, MA
- Eligibility basics
- Ages 20–75
- RecruitingHealthy volunteers
Characterization of Diseases With Salivary Gland Involvement
National Institute of Dental and Craniofacial Research (NIDCR)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 4–100
- RecruitingHealthy volunteers
Blood Collection Biorepository for Liver Disease Research
State University of New York at Buffalo
- Location
- Buffalo, NY
- Eligibility basics
- Ages 7+
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.