Passive Enhanced Safety Surveillance (ESS) of Quadrivalent Live Attenuated Influenza Vaccine (QLAIV) Fluenz Tetra in Children and Adolescents during the early 2016/2017 Influenza Season in England

20/09/2016
17/09/2025
EU PAS number:
EUPAS15400
Study
Finalised
Study type

Study topic

Human medicinal product

Study type

Non-interventional study

Scope of the study

Assessment of risk minimisation measure implementation or effectiveness

Data collection methods

Secondary use of data
Non-interventional study

Non-interventional study design

Cohort
Study drug and medical condition

Medicinal product name

Population studied

Short description of the study population

Children and adolescents during the 2016/2017 influenza season who had received Quadrivalent Live Attenuated Influenza Vaccine (QLAIV) Fluenz Tetra in England.

Age groups

  • Children (2 to < 12 years)
  • Adolescents (12 to < 18 years)

Estimated number of subjects

10000
Study design details

Main study objective

To conduct early influenza season passive Enhanced Safety Surveillance (ESS) for Fluenz Tetra, in children and adolescents in England, to facilitate the rapid collection and analysis of data on suspected adverse drug reactions (sADRs) experienced by vaccines.

Data analysis plan

Summary descriptive statistics of basic demographic information, patient characteristics, co-morbidities, concomitant medications and AEIs will be presented. Numbers of cases (frequencies) and incidence rates overall, by age group and by batch for each endpoint/recorded adverse event of interest will be included in the study report.