What do Hollywood celebrities have in common with snakebite victims? Recent research reveals that botulinum toxin, the active ingredient in the wrinkle smoother Botox, can be repurposed to block the paralyzing effects of viper venom. This represents the kind of dual-use opportunity the pharmaceutical industry loves to see: starting with a multibillion dollar cosmetic blockbuster and applying it to a neglected global health crisis. For SN, Jake Buehler explains how it works.

🐍 Blocking the bite

Snake bites lead to over 100,000 deaths annually, and many others experience permanent disfigurement such as loss of limbs and irreversible tissue death. In a stroke of biological irony, researchers showed that Botox’s paralyzing active ingredient suppressed inflammation and mitigated muscle tissue death in rabbits injected with viper venom. More research is needed before human testing, but this off-label application could in theory work in tandem with antivenoms, providing a crucial window of time for victims to reach a hospital, turning a disaster into a manageable medical event. What’s more, if the research were to inspire novel snakebite therapies, they could potentially cut “donor animals” needed to make antivenoms — such as horses, sheep and goats — out of the loop.

🤨 Beyond the brow

While Botox is the undisputed queen of the aesthetics market, its medical portfolio is surprisingly deep.