CI

At a glance

ClinicalIndex Comparison Record
Phase 1Completed· 53 enrolled
Drug / intervention
strain CVD 1208S-122 +1 morebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT04634513
NCT04634513Phase 1Completed

Phase 1 Study of the Safety, Tolerability, and Immunogenicity of Oral Doses of CVD 1208S-122, a Prototype Attenuated Shigella Flexneri 2a Live Vector Expressing Enterotoxigenic Escherichia Coli Antigens

University of Maryland, Baltimore·interventional·Posted Nov 18, 2020·Updated Feb 2, 2026

In Brief

A Phase 1 clinical trial evaluating strain CVD 1208S-122 and Placebo for Shigella Infection and Enterotoxigenic Escherichia Coli Infection. Completed, enrolled 53 participants across 1 site.

Detailed Summary

The purpose of this study is to determine whether a live, oral, combined Shigella-ETEC vaccine candidate, known as strain CVD 1208S-122, is safe and immunogenic.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesUnited States
Collaborators--

Timeline

Phase 1CompletedFinished
202120222023202420252026
First PostedNov 18, 2020
Enrollment StartSep 29, 2022
Primary CompletionOct 1, 2024
TodayJul 2, 2026
Enrollment to primary: 2.0 yearsPosted 5.6 years ago

Interventions

strain CVD 1208S-122biological

Live, attenuated, vaccine strain of S. flexneri 2a expressing CFA/I and LT of enterotoxigenic E. coli

Placeboother

Sodium bicarbonate buffer