Vaccine · Maryland
Vaccine studies in Maryland
29 studies have at least one recruiting site in Maryland. Vaccine trials test how well new or updated vaccines produce an immune response and how they are tolerated. Many recruit healthy adults; some focus on older adults, children or people with specific conditions.
29 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 2
Evaluating Gardasil HPV Vaccine Humoral and Cellular Immune Responses in People With and Without HIV
University of Maryland, Baltimore
- Location
- Baltimore, MD
- Eligibility basics
- Ages 18–70 · Men only
- RecruitingHealthy volunteers
Influenza Immunization in Adults Over Age 75
Johns Hopkins University
- Location
- Baltimore, MD
- Eligibility basics
- Ages 75+
- RecruitingHealthy volunteersPhase 2
Immunogenicity of RSVPreF3 Vaccine in Immunocompromised Persons
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 volunteersPhase 2
Phase 2 Safety and Immunogenicity Study of Rift Valley Fever Vaccine
U.S. Army Medical Research and Development Command
- Location
- Fort Deterick, MD
- Eligibility basics
- Ages 18–65
Who these studies look for
Vaccine studies often exclude people who recently received a related vaccine or had the infection, and those with conditions or medicines that affect the immune system.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Could I receive a placebo?
Often yes. Many vaccine trials are randomized, so some participants receive a comparison vaccine or placebo. The consent document explains this.