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The FDA's decision to decline the EUA expansion directly limits IVVD's market opportunity, which is reflected by the immediate 29.9% premarket drop. Historically, similar regulatory setbacks (e.g., setbacks in biotech EUA adjustments) have led investors to reprice risks quickly.
What happened, with direct paths to the underlying reporting
FDA declined IVVD's EUA expansion for pemivibart in mild-to-moderate COVID-19 cases. The decision affects immune-compromised adult and adolescent patients. Existing EUA for Pemgarda remains active for selected immunocompromised patients. The treatment opportunity was not included in current financial guidance. FDA requires superior antiviral activity in immunobridging analysis for expanded EUA. The agency stated current analyses do not meet its benefit-risk criteria. New data from Phase 1/2 VYD2311 trials indicate improved serum concentration and half-life over pemivibart. This could influence future regulatory submissions. IVVD stock dropped 29.9% to $1.24 premarket following FDA's decision. The negative market reaction underscores investor concerns.
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