Study type

Study type

Non-interventional study
Non-interventional study

Non-interventional study design

Cohort
Case-control
Other

Non-interventional study design, other

Self-controlled case series, Historical rate comparison
Study drug and medical condition

Anatomical Therapeutic Chemical (ATC) code

(J07B) VIRAL VACCINES
Population studied

Age groups

Adults (18 to < 46 years)
Adults (46 to < 65 years)
Adults (65 to < 75 years)
Adults (75 to < 85 years)
Adults (85 years and over)

Estimated number of subjects

2000000
Study design details

Main study objective

The overarching aim is to identify the best methods for the generation of evidence of vaccine safety in observational, real-world data

Data analysis plan

• Design: Cohort, self-controlled, and case-control studies • Exposures: previous viral vaccines including 2017-2018 flu, H1N1 flu, Human Papillomavirus (HPV), and Varicella-Zoster. • Outcomes: selected adverse events of special interest, negative control outcomes, synthetic positive control outcomes • Analyses: 1. Historical rate comparisons. 2. Cohort analyses using a contemporary non-user comparator, with large-scale propensity score matching 3. Self-controlled case series with variations 4. Case-control analyses
Documents