Positive Phase III booster results for inactivated, adjuvanted COVID-19 vaccine VLA2001

29 August 2022
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French vaccines developer Valneva (Euronext: VLA) today reported further positive Phase III results for its inactivated, adjuvanted COVID-19 vaccine VLA2001, despite which the firm’s shares were down 3.4% at 9.28 euros by late afternoon trading.

Additional readouts from the company’s pivotal VLA2001-301 “Cov-Compare” trial showed persistent immunogenicity and first positive heterologous booster results following primary vaccination with ChAdOx1-S (from AstraZeneca [LSE: AZN]).

Valneva previously reported immunogenicity data at Day 43 post primary vaccination and has now evaluated immunogenicity in VLA2001-301 trial participants around two months following primary immunization (Day 71), as part of the prespecified analysis of secondary endpoints.

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