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
The Society for Obstetric Anesthesia and Perinatology Research Network General Anesthesia Registry
Yale University
- Location
- Baltimore, MD + 32 other US sites
- Eligibility basics
- Ages 15–55 · Women only
- RecruitingHealthy volunteersPhase 3
Buprenorphine for Individuals in Jail
Friends Research Institute, Inc.
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Longitudinal Investigation of Sleep, Memory, and Brain Development Across the Nap Transition
University of Maryland, College Park
- Location
- College Park, MD + 1 other US site
- Eligibility basics
- Ages 3–5
- RecruitingHealthy volunteers
SPIROMICS Study of Early COPD Progression (SOURCE)
University of Massachusetts, Worcester
- Location
- Baltimore, MD + 13 other US sites
- Eligibility basics
- Ages 30–55
- RecruitingHealthy volunteers
Pre- and Post-neuromusculoskeletal Injury Risk Evaluation for Return-to-Duty Enhancement
Womack Army Medical Center
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 18–44
- RecruitingHealthy volunteersPhase 4
Opioid Use After Laparoscopic Salpingectomy
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Effect of Gerofit Exercise on Cognition in Older Veterans
VA Office of Research and Development
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
CAPABLE Care + Connect
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 50+
- RecruitingHealthy volunteers
Modifying Adiposity Through Behavioral Strategies to Improve COVID-19 Rehabilitation
VA Office of Research and Development
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Up to age 80
- RecruitingHealthy volunteers
Systems Science Approaches to Improve Access to Healthier Foods: The FRESH Trial
Johns Hopkins Bloomberg School of Public Health
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteers
Natural History Study to Determine Drug Metabolism Phenotype and Appropriate Germline Source DNA in Patients Undergoing Allogeneic Hematopoietic Stem Cell Transplant
National Cancer Institute (NCI)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–120
- RecruitingHealthy volunteers
A Setting Focus Overdose Prevention Intervention
Johns Hopkins Bloomberg School of Public Health
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Genomic Predictors of Recurrent Pregnancy Loss
Yale University
- Location
- Baltimore, MD + 8 other US sites
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Inherited Retinal Degenerative Disease Registry
Foundation Fighting Blindness
- Location
- Columbia, MD
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Pediatric Neuroimaging
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 9–14
- RecruitingHealthy volunteers
Genes and Environment in Multiple Sclerosis
Columbia University
- Location
- Bethesda, MD + 2 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Working Memory and Physical Exercise Training in Patients With Mild Cognitive Impairment
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 50–80
- RecruitingHealthy volunteers
The Impact of COVID-19 on Maternal and Neonatal Outcomes
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 14–55 · Women only
- RecruitingHealthy volunteers
Cerebellar Involvement in Alcohol Use Disorder (AUD)
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 25–55
- RecruitingHealthy volunteers
Night Owl Metabolism
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–23
- RecruitingHealthy volunteers
Adaptive Optics Retinal Imaging
Food and Drug Administration (FDA)
- Location
- Silver Spring, MD
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteersPhase 4
Allopregnanolone and Dynamic GABA-A Receptor Plasticity in Selective Serotonin Reuptake Inhibitor Responsive Premenstrual Dysphoric Disorder
Johns Hopkins University
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 18–50 · Women only
- RecruitingHealthy volunteers
Identification and Validation of Epigenetic Biomarkers of PMDD
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–50 · Women only
- RecruitingHealthy volunteersPhase 2
Transcranial Direct Current Stimulation in the Treatment of Primary Progressive Aphasia
Johns Hopkins University
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 50–90
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.