Use of powerful CYP1A2 inhibitors needs to be discontinued ahead of initiating pirfenidone and prevented in the course of cure; if powerful CYP1A2 inhibitors are the sole drug of decision, dosage reductions are suggested Prevent; coadministration of pirfenidone and moderate CYP1A2 inhibitors result in moderately enhanced exposure to pirfenidone; if https://tallentyres009hsf3.activablog.com/29205067/everything-about-gsk8612