Development of a PBPK model of psilocybin/psilocin from Psilocybe cubensis (magic mushroom) in mice, rats, and humans

Apr 21, 2025Scientific reports

Modeling how psilocybin and its active form move through the bodies of mice, rats, and humans

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Abstract

A physiologically based pharmacokinetic model for psilocybin and its active metabolite, psilocin, has been developed for mice, rats, and humans.

  • Psilocybin is a psychoactive compound that may have potential in treating major depressive disorder.
  • The model explores how psilocin distributes in the body, particularly to the brain.
  • Psilocybin is believed to fully convert to psilocin before entering systemic circulation.
  • The model accurately characterizes concentration-time profiles for different dosing scenarios and administration routes.
  • The human model could inform therapeutic strategies and support the design of clinical trials for psilocybin.

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