PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29457079-14 2017 When warfarin and methadone are used together, we have to consider their interaction by comparing the competitive inhibition of CYP2C9 to the induction of CYP3A4 by methadone, because CYP3A4 metabolize various drugs including oxycodone. Methadone 18-27 cytochrome P450 family 2 subfamily C member 9 Homo sapiens 128-134