eVusheld Assessment reaL wORld Effectiveness in DoD Health System

An Observational Study to Assess the Real-world Effectiveness of EVUSHELD™ (Tixagevimab/Cilgavimab) as Pre-exposure Prophylaxis Against COVID-19 Among EVUSHELD-eligible Populations in the United States Department of Defense Healthcare System

An AstraZeneca-sponsored observational, electronic healthcare record (EHR)-embedded retrospective cohort study to assess the real-world effectiveness of EVUSHELD against SARS-CoV-2 infection, COVID-19-related hospitalization, and other COVID-19 related outcomes in the total EUA-eligible patient population treated in DoD Health system.

This a Phase IV observational, secondary data study to assess the effectiveness of Evusheld in preventing COVID-19 infection and severe outcomes using the electronic medical records from the nationwide integrated health system.

The study is designed as an AstraZeneca-sponsored observational, electronic healthcare record (EHR)-embedded retrospective cohort study to assess the real-world effectiveness of EVUSHELD against SARS-CoV-2 infection, COVID-19-related hospitalization, and other COVID-19 related outcomes in the total EUA-eligible patient population in the DoD health system.

Inclusion Criteria:

1. Receipt of Evusheld under the FDA EUA for Evusheld
2. Eligibility for Evusheld use under the EUA. -

Exclusion Criteria:

• None