Estimating Cardiac 5-HT2B Safety Margins for Repeated Low-Dose Psilocybin Using an Exposure-Response Model
William J. Tyler, Edward M. Sellers, Michael B. McDonnell
This paper develops an exposure-response model to estimate cardiac safety margins for repeated low-dose psilocybin, finding a large safety margin due to psilocin's low-efficacy partial agonism and short half-life.
bioRxiv · Jul 23, 2026 · PreprintPharmacology & Toxicology