pharmacogene variation consortium pharmacogene variation consortium pharmacogene variation consortium (abbreviated as phamvar) is an international group of experts that maintains a systematic nomenclature system for allelic variations of genes that affect the metabolism of drugs. pharmvarcontentdescriptionthe pharmvar consortiumdata typescapturedpharmacogenomics and pharmacogeneticsorganismshumancontactresearch centerchildren's mercy hospitalprimary citationpmid 29134625release date2017accesswebsitewww.pharmvar.orgdownload urlwww.pharmvar.org/downloadweb service urlwww.pharmvar.org/documentationmiscellaneouscuration policyyes the database is focused on cytochrome p450 enzymes, but is being expanded into other classes of enzymes. the original nomenclature was maintained by the human cyp allele nomenclature database. however phamvar took over this function in 2017.