Pfizer and BioNTech begin Covid-19 vaccine dosing in US

6th May 2020 (Last Updated May 6th, 2020 11:46)

Pfizer and BioNTech have commenced the dosing of participants in a Phase I/II clinical trial assessing the BNT162 vaccine candidate to protect against Covid-19 in the US.

The study is part of a global development programme and the dosing of initial participants in Germany was concluded last week.

During the Phase I/II protocol, the safety, immunogenicity and optimal dose level of four mRNA vaccine candidates will be assessed in a single, continuous study. The trial’s dose level escalation part in the US will involve up to 360 healthy participants.

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