Healthy volunteers · Maryland
Studies for healthy volunteers in Maryland
511 studies have at least one recruiting site in Maryland. 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.
511 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
More recruiting studies (pay not posted)
- RecruitingHealthy volunteers
Natural History and Development of Spondyloarthritis
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2–99
- RecruitingHealthy volunteers
Brain Stimulation and Vision Testing
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Development Of Neuroimaging Methods To Assess The Neurobiology Of Addiction
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Human Biospecimen Procurement Protocol: Biorepository to Support Translational Research to Identify Disease Mechanism(s)
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1 mo–100
- RecruitingHealthy volunteers
NIAID Centralized Sequencing Protocol
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 0 mo–100
- RecruitingHealthy volunteers
Samples From Human Subjects to Facilitate Basic, Translational and Clinical Research
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Prospective Evaluation of High Resolution Dual Energy Computed Tomographic Imaging, Noninvasive (Liquid) Biopsies, and Minimally Invasive Surgical Surveillance for Early Detection of Mesotheliomas in Patients With BAP1…
National Cancer Institute (NCI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 30–120
- RecruitingHealthy volunteers
Characterization of Nociception Phenotype in Individuals With Intellectual Disability
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 8–30
- RecruitingHealthy volunteers
A Prospective Natural History Study of Lymphatic Anomalies
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–100
- RecruitingHealthy volunteers
Amyloid PET Imaging in the Baltimore Longitudinal Study of Aging
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 55–110
- RecruitingHealthy volunteersPhase 2
BPL-1357 Against H1N1 Influenza Virus Challenge
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Olfactory Function and Model-Based Behavior in People Living With HIV and SUD
National Institute on Drug Abuse (NIDA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Survey to Determine Incarcerated Persons' Views on Surrogate Decision Making
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Metabolic Impact of VLCPUFA-Rich Fish Oil: A Clinical Study on Omega-3 Index Enhancement in Healthy Individuals
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
A Comprehensive Clinical, Microbiological and Immunological Assessment of Patients With Suspected Post Treatment Lyme Disease Syndrome and Selected Control Populations
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 13–99
- RecruitingHealthy volunteers
A Longitudinal Investigation of the Endocrine and Neurobiologic Events Accompanying Puberty
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 7–35
- RecruitingHealthy volunteers
Clinical and Genetic Studies of Li-Fraumeni Syndrome
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Studies of the Natural History, Pathogenesis, and Outcome of Idiopathic Systemic Vasculitis
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3+
- RecruitingHealthy volunteers
Characterization and Treatment of Adolescent Depression
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 11–25
- RecruitingHealthy volunteers
Study of Mycobacterial Infections
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Up to age 100
- RecruitingHealthy volunteersPhase 2
Pilot Trial of Allogeneic Blood or Marrow Transplantation for Primary Immunodeficiencies
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 4–75
- RecruitingHealthy volunteers
Sample Collection From Healthy Volunteers for Assay Optimization
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–80
- RecruitingHealthy volunteers
Characterization of an Optically Pumped Magnetometer (OPM) Magnetoencephalography (MEG) Array
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 3
Hormone Replacement Therapy in Adolescents With Premature Ovarian Insufficiency
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 11–19 · 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.