Clinical Trial

Clinical Trial of the S. Flexneri-S. Sonnei Bivalent Conjugate Vaccine

Active, Not Recruiting Phase 3
View on ClinicalTrials.gov →
Summary
The goal of this clinical trial is to evaluate the protective efficacy of S. Flexneri-S. Sonnei bivalent conjugate vaccine against diarrhea caused by Shigella infection in infants and children aged 6 months to 5 years. Researchers will observe the incidence of diarrhea of any severity due to Shigella flexneri and Shigella sonnei infection 30 days after full immunization. The subjects will receive 2 doses of vaccination.
Protocol Amendment History 1 amendment
This ClinicalTrials.gov record has been amended once since 2025-02-18.
Status change: Not Yet Recruiting → Active, Not Recruiting 2026-03-27
Trial Details
NCT Number NCT06838195
Lead Sponsor Beijing Zhifei Lvzhu Biopharmaceutical Co., Ltd
Conditions Dysentery, Dysentery, Shigella
Enrollment 8,000 participants
Start Date 2025-05-12
Primary Completion 2028-07-02 (estimated)
Study Completion 2028-07-30 (estimated)
Updated on ClinicalTrials.gov 2026-04-01