$Invivyd (IVVD.US)$Invivyd Phase 3 Long-Term Exploratory Clinical Efficacy Data Shows PEMGARDA (Pemivibart) Provided Substantial Protection From Symptomatic COVID-19 Versus Placebo Over Six Months of Follow-Up, With No Additional Doses, In Immunocompetent Participants GlobeNewswire· 12 mins ago Following strong protection (84% relative risk reduction versus placebo) demonstrated through month 6 with pemivibart, CANOPY clinical trial participants were followed for an additional six-month period (months 7-12), with no additional doses, to assess safety and efficacy as drug concentrations declined over timeIn the six-month off-drug follow-up period (months 7-12), substantially reduced concentrations of PEMGARDA reduced the risk of symptomatic COVID-19 by 64% compared to placebo in an immunocompetent adult population, for total twelve-month risk reduction of 76% following two initial pemivibart doses (nominal p <0.0001)Months 7-12 follow-up period included the U.S. summer KP.3 and KP.3.1.1 dominant wave, per CDC surveillanceNo new safety observations occurred months 7-12Across all 12 months of the CANOPY clinical trial, Cohort B placebo arm participants experienced an 18% rate of PCR-confirmed symptomatic COVID-19, excluding reinfections, indicative of continued, widespread, uncontrolled virus transmission in the U.S.
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