Status:
UNKNOWN
An Immunity Persistence Study of Enterovirus 71 Inactivated Vaccine (Vero Cell)
Lead Sponsor:
Sinovac Biotech Co., Ltd
Conditions:
Hand, Foot and Mouth Disease
Eligibility:
All Genders
6-71 years
Phase:
PHASE4
Brief Summary
This is an open，observational and follow-up clinical trial based on the clinical trial of EV71 vaccine extended age group.The purpose of this study is to evaluate the immunity persistence of EV71 vacc...
Detailed Description
This study is an open,observational and follow-up clinical trial of EV71 vaccine based on the clinical trial of EV71 vaccine extended age group.The main purpose of this study is to evaluate the immuni...
Eligibility Criteria
Inclusion
- Subjects in the EV71 vaccine extended age clinical trial who received two doses of experimental or control vaccine and were enrolled in the PPS set;
- Provide legal identification;
- Participants or guardians of the participants should be capable of understanding the written consent form and voluntarily participate in the clinical trial.
Exclusion
- Vaccination history of vaccines containing EV71 antigen components other than the EV71 vaccine expanded age group clinical trial;
- History of hand, foot and mouth disease caused EV71;
- According to the investigator's judgment, the subject has any other factors that are not suitable for participating in the clinical trial.
Key Trial Info
Start Date :
July 30 2022
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
October 30 2025
Estimated Enrollment :
474 Patients enrolled
Trial Details
Trial ID
NCT05397587
Start Date
July 30 2022
End Date
October 30 2025
Last Update
June 10 2022
Active Locations (1)
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1
Yun County Center for Disease Control and Prevention
Lincang, Yunnan, China, 675800