ClinicalTrials.gov record

Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Shigella Flexneri 2a Invaplex 50 Vaccine Dose Finding and Assessment of Protection

ClinicalTrials.gov ID: NCT00485134

Public ClinicalTrials.gov record NCT00485134. 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.

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ClinicalTrials.gov public records Last synced Jul 22, 2026, 4:53 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Study identification

NCT ID: NCT00485134
Recruitment status: Completed
Study type: Interventional
Phase: Phase 1, Phase 2
Lead sponsor: U.S. Army Medical Research and Development Command; Federal
Enrollment: 113 participants

Conditions and interventions

Conditions

Shigellosis

Interventions

240 µg Shigella flexneri 2a Invaplex 50 vaccine Biological
480 µg Shigella flexneri 2a Invaplex 50 vaccine Biological
690 Shigella flexneri 2a Invaplex 50 vaccine Biological
Shigella challenge strain 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: Apr 30, 2007
Primary completion: Jun 30, 2009
Completion: Aug 31, 2010
Last update posted: Sep 10, 2017

2007 – 2010

United States locations

U.S. sites: 2
U.S. states: 1
U.S. cities: 2

Facility	City	State	ZIP	Site status
Center for Immunization Research (CIR) John Hopkins Bayview Medical Center	Baltimore	Maryland	21287	—
Department of Clinical Trials, WRAIR	Silver Spring	Maryland	20910	—

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 NCT00485134, 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 Sep 10, 2017 · Synced Jul 22, 2026

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00485134 live on ClinicalTrials.gov.

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