Safety, Immunogenicity and Efficacy Study of Inactivated Whole Cell Shigella Flexneri 2a Vaccine With and Without dmLT in Adults
Public ClinicalTrials.gov record NCT03038243. 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
A Phase 2a/2b, Randomized, Double-blinded, Placebo-controlled, Trial to Assess the Safety, Immunogenicity and Efficacy of Inactivated Shigella Flexneri 2a Whole Cell (Sf2aWC) Vaccine Administered With and Without Double Mutant E. Coli Heat Labile Toxin (dmLT) in Healthy Adult Subjects
Study identification
- NCT ID
- NCT03038243
- Recruitment status
- Withdrawn
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- PATH
- Other
- Enrollment
- Not listed
Conditions and interventions
Conditions
Interventions
- Shigella flexneri 2a whole cell (Sf2aWC) vaccine and double mutant E. coli heat labile toxin (dmLT) Biological
- Shigella flexneri 2a whole cell (Sf2aWC) vaccine Biological
- Placebo Other
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
- Jul 31, 2017
- Primary completion
- Dec 30, 2018
- Completion
- Dec 30, 2019
- Last update posted
- Nov 19, 2017
2017 – 2019
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Center for Vaccine Development (CVD), University of Maryland School of Medicine | 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 NCT03038243, 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 Nov 19, 2017 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03038243 live on ClinicalTrials.gov.