Invivyd Announces Completion of Enrollment in Phase 3 LIBERTY Trial Evaluating VYD2311 Antibody Versus mRNA COVID-19 Vaccine

NEW HAVEN, Conn., June 16, 2026 (GLOBE NEWSWIRE) -- Invivyd, Inc. (Nasdaq: IVVD) today announced enrollment of participants in its Phase 3 LIBERTY clinical trial is complete. The trial is comparing the safety and tolerability of the company’s investigational COVID-19 monoclonal antibody VYD2311 with an mRNA COVID-19 vaccine. The trial is also evaluating the safety and immune response when both are given together. VYD2311 is being developed as an alternative to vaccines for preventing COVID-19. The LIBERTY study is a randomized, double-blind trial involving healthy adults. A primary endpoint of the trial is to assess the side effects and tolerability of COVID antibody versus vaccine through Day six, for a total of seven days. Invivyd expects to report initial results from the study in the third quarter of 2026. These results may be released alongside data from the company’s pivotal DECLARATION clinical trial.