Shigella CVD 30000: Study of Responses to Vaccination With Shigella Vaccine
Public ClinicalTrials.gov record NCT04078022. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Phase 2b Study of the Safety, Immunogenicity, and Efficacy of a Monovalent Synthetic Carbohydrate-based Conjugate Vaccine (SF2a-TT15) for Protection Against Shigella Flexneri 2a Experimental Infection
Study identification
- NCT ID
- NCT04078022
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Enrollment
- 58 participants
Conditions and interventions
Conditions
Interventions
- SF2a-TT15 Shigella Vaccine Biological
- Placebo Other
- S. flexneri 2a strain 2457T Challenge Agent Biological
Biological · Other
Eligibility (public fields only)
- Age range
- 18 Years to 45 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 1, 2020
- Primary completion
- Jan 23, 2023
- Completion
- Jan 24, 2024
- Last update posted
- May 19, 2024
2020 – 2024
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Maryland, Baltimore, Center for Vaccine Development and Global Health | Baltimore | Maryland | 21201 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04078022, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 19, 2024 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04078022 live on ClinicalTrials.gov.