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
Studies of the Pathogenesis of HIV Infection in Human Peripheral Blood Cells and/or Body Fluids in People Living With and Without HIV
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Familial Mediterranean Fever and Related Disorders: Genetics and Disease Characteristics
National Human Genome Research Institute (NHGRI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2 mo–115
- RecruitingHealthy volunteers
Recruitment and Apheresis Collection of Peripheral Blood Hematopoietic Stem Cells, Mononuclear Cells and Granulocytes
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
MRI Study of Musculoskeletal Function
National Institutes of Health Clinical Center (CC)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 5–95
- RecruitingHealthy volunteers
Cytapheresis of Volunteer Donors
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
Long-term Evaluation and Follow-up Care of Patients Treated With Stem Cell Transplants
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 7–80
- RecruitingHealthy volunteers
MRS Measurement of Glutamate and GABA Metabolism in Brain
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
Diagnosis and Treatment of Patients With Inborn Errors of Metabolism
National Human Genome Research Institute (NHGRI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 1 mo–115
- RecruitingHealthy volunteers
Collection and Analysis of Blood, Bone Marrow, and Buccal Mucosa Samples From Healthy Volunteers
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 8–99
- RecruitingHealthy volunteers
Collection of Lung Fluid and Tissue Samples for Research
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 5–100
- RecruitingHealthy volunteers
Studies of Skin Microbes in Healthy People and in People With Skin Conditions
National Human Genome Research Institute (NHGRI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2–100
- RecruitingHealthy volunteers
Characterization of Patients With Uncommon Presentations and/or Uncommon Diseases Associated With the Cardiovascular System
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 1–100
- RecruitingHealthy volunteers
Admission and Management of Occupational or Other Exposures to Biodefense/Bioterrorism Agents or to Epidemic/Emerging Infectious Diseases
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 3–99
- RecruitingHealthy volunteers
Development of 3T Magnetic Resonance Research Methods for NIA Studies
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Thinking and Memory Problems in People With HIV
National Institute of Neurological Disorders and Stroke (NINDS)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–110
- RecruitingHealthy volunteers
Natural History Study of GATA2 Deficiency and Related Disorders
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 2–100
- RecruitingHealthy volunteers
Heart Health Study in Washington D.C. to Develop a Community-Based Behavioral Weight Loss Intervention
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 19–85
- RecruitingHealthy volunteers
Genetic and Epigenetic Signatures of Translational Aging Laboratory Testing (GESTALT)
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 20–120
- RecruitingHealthy volunteers
Children s Growth and Behavior Study
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 8–100
- RecruitingHealthy volunteers
Natural History and Genetics of Food Allergy and Related Conditions
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–99
- RecruitingHealthy volunteers
Clinical and Scientific Assessment of Pain and Painful Disorders
National Center for Complementary and Integrative Health (NCCIH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 12–120
- RecruitingHealthy volunteers
Tailoring Mobile Health Technology to Reduce Obesity and Improve Cardiovascular Health in Resource-Limited Neighborhood Environments
National Heart, Lung, and Blood Institute (NHLBI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 21–75 · Women only
- RecruitingHealthy volunteers
Clinical and Molecular Characteristics of Primary Aldosteronism in Blacks
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 7–70
- RecruitingHealthy volunteers
The Mechanistic Biology of Primary Immunodeficiency Disorders
National Institute of Allergy and Infectious Diseases (NIAID)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 0 mo–90
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.