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
Education and Employment Support for HIV Prevention in Young Adults (ENSPIRE)
University of North Carolina, Chapel Hill
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–24
- RecruitingHealthy volunteers
Black and African Americans Connections to Parkinson's Disease (BLAAC PD)
Michael J. Fox Foundation for Parkinson's Research
- Location
- Baltimore, MD + 10 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Bipolar Androgen Therapy (BAT) and Radium-223 (RAD) in Metastatic Castration-resistant Prostate Cancer (mCRPC)
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+ · Men only
- RecruitingHealthy volunteers
2177GCCC:ID'Ing tx Targets and Biomarkers for Ocular Surface Disease in Pt w/ oGVHD
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Defense and Veterans Center for Integrative Pain Management (DVCIPM) Pain Registry Biobank
Defense and Veterans Center for Integrative Pain Management
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 18–80
- RecruitingHealthy volunteers
Post-Concussion Musculoskeletal Injury Risks
Walter Reed National Military Medical Center
- Location
- Bethesda, MD + 1 other US site
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Behavioral and Neural Representations of Subjective Effort Cost
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–35
- RecruitingHealthy volunteers
Direct Observation Study of Kratom Product Effects Among Regular Consumers
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 21+
- RecruitingHealthy volunteers
Using the Smart Underwear Device to Determine a Baseline of Flatus Activity Normalized to Fiber Intake
University of Maryland, College Park
- Location
- College Park, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
ANG-First Trial (Angiotensin II as First-Line Vasopressor Therapy in Cardiac Surgery)
University of Maryland St. Joseph Medical Center
- Location
- Towson, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 4
Ketorolac Effects on Post-operative Pain and Lumbar Fusion
University of Maryland St. Joseph Medical Center
- Location
- Towson, MD
- Eligibility basics
- Ages 18–85
- RecruitingHealthy volunteers
Developing a Support Application for Food Pantries (SAFPAS) to Improve Client Access to Healthy Foods & Enhance Emergency Preparedness
Johns Hopkins Bloomberg School of Public Health
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Change in Social Media Use and Well-being Among College Students Receiving a Two-week Exercise or Mindfulness Intervention
Johns Hopkins Bloomberg School of Public Health
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
EsophaCap for the Detection of Early Esophageal Carcinoma
Johns Hopkins University
- Location
- Baltimore, MD + 1 other US site
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Immunogenicity of RSVPreF3 Vaccine in Immunocompromised Persons
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Neural Mechanisms of Fatigue in Post-Acute Sequela of SARS-CoV-2
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 4
Retinal Blood Flow and Autoregulation
University of Maryland, Baltimore
- Location
- Baltimore, MD + 3 other US sites
- Eligibility basics
- Ages 18–88
- RecruitingHealthy volunteers
Investigating the Safety and Efficacy of the 1927-nm Thulium Laser in Keratosis Pilaris
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
HEARS-NPS: Addressing Hearing Loss as a Common Unmet Contributor of Neuropsychiatric Symptoms
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 60–100
- RecruitingHealthy volunteers
Reducing Vertigo Associated With MRI Machines
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Connecting Friends and Health Workers to Boost COVID-19 Vaccination in Latino Communities
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Evaluating the Status of Complex Aneuploidy to Locate Additional Transferrable Embryos
Shady Grove Fertility Reproductive Science Center
- Location
- Rockville, MD + 9 other US sites
- Eligibility basics
- Any age listed
- RecruitingHealthy volunteers
Dissemination of the Donor Application: Utilizing Social Media to Identify Potential Live Organ Donors
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Home-Based Exercise Tele-Rehabilitation After COVID-19
VA Office of Research and Development
- Location
- Baltimore, MD
- Eligibility basics
- Ages 50–85
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.