CPIC Guideline update: HLA-B/CYP2C9 and Phenytoin/Fosphenytoin
The 2020 CPIC Guideline update for HLA-B, CYP2C19 and phenytoin dosing is now published in Clinical Pharmacology and Therapeutics. The accepted article can be accessed on the PharmGKB page for phenytoin and on the CPIC website.
Phenytoin is an antiepileptic drug with inter-individual pharmacokinetic variability, partly due to CYP2C9 genetic