Invivyd Unveils Promising RSV Antibody Candidate VBY329 for Infant Protection

Reuters11-24

Invivyd Unveils Promising RSV Antibody Candidate VBY329 for Infant Protection

Invivyd Inc. has announced promising preclinical results for its new RSV antibody candidate, VBY329, designed for the prevention of Respiratory Syncytial Virus (RSV) infections in newborns, infants, and children. According to the company, VBY329 demonstrated, in vitro, an average antiviral potency 1.5 times greater than nirsevimab and 1.2 times greater than clesrovimab against circulating RSV strains. Invivyd also reports that VBY329 shows an improved barrier to resistance compared to current standard-of-care RSV medicines. These findings have not yet been presented and are expected to be shared at a future medical congress. The company is moving VBY329 into IND-enabling processes, aiming for IND readiness in the second half of 2026.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Invivyd Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: GNW9590965-en) on November 24, 2025, and is solely responsible for the information contained therein.

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