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A Clinical Trial to Assess the Efficacy and Safety of an Inactivated Vaccine (Vero Cell) Against EV71 in Chinese Children Aged 6-35 Months

Hand, Foot and Mouth Disease Clinical Trial

Official title:
A Multiple-center Randomized Double-blind Placebo-controlled Phase 3 Clinical Trial to Assess the Efficacy and Safety of an Inactivated Vaccine (Vero Cell) Against EV71 in Chinese Children Aged 6-35 Months

Clinical Trial Summary

Since its discovery in 1969, enterovirus 71 (EV71) has been recognised as a frequent cause of epidemics of hand-foot-mouth disease (HFMD) associated with severe neurological sequelae in a small proportion of cases. There has been a significant increase in EV71 epidemic activity throughout the Asia-Pacific region since 1997. Recent HFMD epidemics in this region have heen associated with a severe from of brainstem encephalitis associated with pulmonary oedema and high case-fatality rates.

The data from the phase 1 and 2 trials suggested that the inactivated EV71 vaccine had a clinically acceptable safety and good immunogenicity for healthy Chinese children and infants. According to the immunogenicity and safety results, the 320U with adjuvant with immunizing schedule of two doses (per 28 day) will be applied in phase 3 clinical trial.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01508247
Study type Interventional
Source Jiangsu Province Centers for Disease Control and Prevention
Contact
Status Completed
Phase Phase 3
Start date January 2012
Completion date March 2013
View Details
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