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
Data Collection Study of Pediatric and Adolescent Gynecology Conditions
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–100
- RecruitingHealthy volunteers
Role of Theta Frequency Oscillations in Proactive and Reactive Control Processes in Youth With Attention Deficit Hyperactivity Disorder (ADHD) and Obsessive Compulsive Disorder (OCD)
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 10–17
- RecruitingHealthy volunteers
Human Movement Database
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1 mo–99
- RecruitingHealthy volunteers
Evaluation of Patients With Mood and Anxiety Disorders and Healthy Volunteers
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–99
- RecruitingHealthy volunteers
Clinical, Laboratory, and Epidemiologic Characterization of Individuals and Families at High Risk of Melanoma
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 1 mo–99
- RecruitingHealthy volunteers
Tissue Procurement for Biomedical Research
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Natural History of Bronchiectasis
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 5–100
- RecruitingHealthy volunteersPhase 4
Improving White Blood Cell Collection From Healthy Donors
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Genetic Characterization of Movement Disorders and Dementias
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Natural History, Pathogenesis and Outcome of Melorheostosis A Rare Osteosclerotic Disease
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Collection of Human Biospecimens for Basic and Clinical Research Into Globin Variants
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Clinical, Genetic, and Epidemiologic Study of Children and Adults With RASopathies
National Cancer Institute (NCI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 1 mo–99
- RecruitingHealthy volunteers
State-dependent Interoception, Value-based Decision-making, and Introspection
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Ultra-Low Field (ULF) Point-of-Care (POC) MRI System for Brain Morphology and Pathology
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–99
- RecruitingHealthy volunteers
Cognitive Neurocomputational Task Reliability & Clinical Applications Consortium (CNTRACS): Study 1
Washington University School of Medicine
- Location
- Baltimore, MD + 4 other US sites
- Eligibility basics
- Ages 18–59
- RecruitingHealthy volunteers
Evaluation of Patients With Liver Disease
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2–100
- RecruitingHealthy volunteers
Natural History of Craniofacial Anomalies and Developmental Growth Variants
National Institute of Dental and Craniofacial Research (NIDCR)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2–100
- RecruitingHealthy volunteers
Long-term Observation of Participants With Mood Disorders
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Clinical Manifestations and Biomarkers in Amyotrophic Lateral Sclerosis Type 4 and Other Inherited Neurological Disorders of RNA Processing
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 5–120
- RecruitingHealthy volunteers
The Neurodevelopmental and Behavioral Phenotyping Screening Protocol
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1 mo+
- RecruitingHealthy volunteersPhase 2
Early Metabolic Effects of Antiretroviral Drugs in Healthy volUnteers: a Phase 2 Randomized Study
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Myocardial Mechanisms in Heart Failure With Preserved Ejection Fraction
Northwestern University
- Location
- Baltimore, MD + 5 other US sites
- Eligibility basics
- Ages 30+
- RecruitingHealthy volunteersPhase 2
Pregnenolone as a Treatment for Cannabis Intoxication
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Natural History, Management, and Genetics of the Hyperimmunoglobulin E Recurrent Infection Syndrome (HIES)
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1 mo–120
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.