After more than 15 years the Human Cytochrome

P450 (CYP) Allele Nomenclature Database has transitioned



to the Pharmacogene Variation (PharmVar) Consortium at






PharmVar will serve as a central repository for pharmacogene variation to facilitate

allele (haplotype) designation and the interpretation of pharmacogenetic test results to guide precision medicine


PharmVar is a PGRN resource funded by NIGMS.




After September 26, 2017, please visit to access content of the original

P450 Nomenclature Database