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
Acute Normovolemic Hemodilution on Urine Neutrophil Gelatinase-associated Lipocalin Levels
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
HDClarity: a Multi-site Cerebrospinal Fluid Collection Initiative to Facilitate Therapeutic Development for Huntington's Disease
University College, London
- Location
- Baltimore, MD + 4 other US sites
- Eligibility basics
- Ages 11–75
- RecruitingHealthy volunteers
DINO RCT - Treating Anxiety in Children With Autism
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
- Location
- Baltimore, MD
- Eligibility basics
- Ages 4–6
- RecruitingHealthy volunteersPhase 3
Local Bisphosphonate Effect on Recurrence Rate in Extremity Giant Cell Tumor of Bone
St. Louis University
- Location
- Baltimore, MD + 10 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Tender Loving Care for Recurrent Pregnancy Loss
Walter Reed National Military Medical Center
- Location
- Bethesda, MD
- Eligibility basics
- Ages 18–44 · Women only
- RecruitingHealthy volunteers
Dinner Time for Obesity and Prediabetes
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
mPATH for Low-income Older Adults
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteersPhase 4
High Relaxivity Contrast Agent for Cardiac MR in the Myocardial Scar Assessment
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Role of GABAergic Transmission in Auditory Processing in Autism Spectrum Disorder
National Institute of Mental Health (NIMH)
- Location
- Bethesda, MD
- Eligibility basics
- Ages 11–25
- RecruitingHealthy volunteers
DILIN - Prospective Study
Duke University
- Location
- Bethesda, MD + 5 other US sites
- Eligibility basics
- Ages 2+
- RecruitingHealthy volunteers
Improving Dietary Quality and Social Engagement Through a Virtual Nutrition and Teaching Kitchen Intervention Among Older Veterans With Impaired Mobility
VA Office of Research and Development
- Location
- Baltimore, MD
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteersPhase 4
Blood Donor CVD 5000
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Vibrotactile Balance Belt Effect on Improving Gait
Johns Hopkins University
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Measuring Protein Turnover in Humans Across the Lifespan by Metabolic Labeling With Deuterium Oxide
National Institute on Aging (NIA)
- Location
- Baltimore, MD
- Eligibility basics
- Ages 20–120
- RecruitingHealthy volunteers
Influenza Immunization in Adults Over Age 75
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 75+
- RecruitingHealthy volunteers
Magnetic Resonance Spectroscopy Studies of Cardiac Muscle Metabolism
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Exercise Intolerance in Heart Failure
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Resilient, Engaged, and Connected Study
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Vortioxetine for the Treatment of Mood and Cognitive Symptoms in Frontotemporal Dementia
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 45+
- RecruitingHealthy volunteers
Examination of the Dynamic Relationships of Sleep, Physical Activity, and Circadian Rhythmicity With Neurobehavioral Heterogeneity in ADHD
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 8–12
- RecruitingHealthy volunteers
Mechanisms of Uterine Fluid Absorption During Early Pregnancy ( ELF Study)
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
The Delayed Intervention and Surveillance for Small Renal Masses (DISSRM) Registry
Abramson Cancer Center at Penn Medicine
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–100
- RecruitingHealthy volunteers
Ocular Complications From Cancer Therapy - Patient Registry and Biobank
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Asymptomatic Carotid Stenosis and Mobility Function With Exercise Intervention
VA Office of Research and Development
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–89
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.