Pfizer and BioNTech propose expansion of pivotal Covid-19 vaccine trial
NEW YORK: BioNTech and Pfizer have submitted an amended protocol to the U.S. Food and Drug Administration to expand the enrollment of their Phase 3...
COVID-19: Pfizer and BioNTech commence pivotal Phase 2/3 global study
NEW YORK: Pfizer Inc. and BioNTech SE announced the start of a global (except for China) Phase 2/3 safety and efficacy clinical study to evaluate...