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Human-Derived Antibodies Drive Progress Toward Universal Snakebite Antivenom

Centivax’s antibody cocktail, based on Tim Friede’s immune response, shows broad protection in mice and is advancing to veterinary trials in Australia.

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Overview

  • Centivax’s antivenom combines two human-derived antibodies (LNX-D09, SNX-B03) with the inhibitor varespladib to target snake venoms across multiple species.
  • Preclinical trials demonstrated complete protection against 13 elapid snake species and partial protection against six more in mouse models.
  • The research, published in the journal Cell, represents a significant step toward addressing the global snakebite crisis, which causes up to 100,000 deaths annually.
  • Dog trials in Australia are set to begin shortly, focusing on testing the antivenom’s efficacy in real-world veterinary cases of snakebite injuries.
  • Researchers are now working to refine the antibody cocktail to provide broader coverage, including viperid venoms, with the goal of eventual human applications.