AZD1222 US Phase III trial met primary efficacy endpoint in preventing COVID-19 at interim analysis
The Pharma Data
MARCH 22, 2021
The AstraZeneca US Phase III trial of AZD1222 demonstrated statistically significant vaccine efficacy of 79% at preventing symptomatic COVID-19 and 100% efficacy at preventing severe disease and hospitalisation. The trial had a 2:1 randomisation of vaccine to placebo. The specific search for CVST found no events in this trial.
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