- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT02136017
Post-License Safety Evaluation of Influenza Virus Vaccine
Phase 4 Study of Post-License Safety Evaluation of Influenza Split Vaccine
Studieoversigt
Status
Betingelser
Detaljeret beskrivelse
In order to evaluate the safety of the post-licensed influenza vaccine (the vaccine is manufactured by Changchun Institute of Biological Products Co.,Ltd in China), retrospectively collect the AEFI cases reported from national AEFI surveillance system in Sichuan province of China in 2013, compare the incidence and proportion of local and general reactions, with other influenza vaccine.
Adverse events were collected through the National Immunization Information System's National Adverse Events Following Immunization (AEFI) Surveillance System, which was established in 2005 on the basis of World Health Organization (WHO) guidelines. According to the Guideline for the Identification of Adverse Reaction after Immunization issued by the Chinese Ministry of Health in 2008, Sichuan CDC and local prefectural CDC must organize an expert panel to investigate adverse events and assess causality, using criteria based on Chinese Standard Procedures for Vaccination.
At the time of vaccination, vaccinees were instructed to report any adverse event to physicians or vaccination providers. Adverse events that were fatal or that resulted in disability and clusters of events (i.e., notably high numbers of similar adverse events related to a certain vaccine) were required to be reported within 2 hours after their occurrence. The following adverse events were required to be reported within 2 days after their occurrence: anaphylaxis or other allergic reactions occurring within 24 hours after vaccination; fever (axillary temperature, >37.5°C), angioedema, or a local injection-site reaction (diameter, >2.5 cm) occurring within 5 days after vaccination; purpura, an Arthus reaction, febrile convulsion, seizure, or polyneuritis occurring within 15 days after vaccination; and the Guillain-Barré syndrome occurring within 3 months after vaccination. Other reactions that were common and minor (e.g., mild pain and fatigue) were not required to be reported.
Undersøgelsestype
Tilmelding (Faktiske)
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- ever vaccinated one dose influenza vaccine(manufactured by Changchun institute of biological product) in 2013
- above 3 years old
Exclusion Criteria:
- Severe allergic reaction (e.g., anaphylaxis) after previous dose of any IIV or LAIV
- allergic to a vaccine component, including egg protein.
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Observationsmodeller: Kun etui
- Tidsperspektiver: Tilbagevirkende kraft
Kohorter og interventioner
Gruppe / kohorte |
---|
Changchun biologial's vaccine
Changchun Biological's vaccine group is the population injected with this vaccine.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
occurence rate of adverse reaction
Tidsramme: 1 month after vaccination
|
the general or local reactions are reported after vaccination .
|
1 month after vaccination
|
Samarbejdspartnere og efterforskere
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: rui ao, master, Sichuan CDC
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- cnbg-002
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