Prolonged cholestasis and disappearance of interlobular bile ducts following chlorpropamide and erythromycin ethylsuccinate. Case of drug interaction?

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Abstract
A 52-year-old man, having been treated for 4 months with chlorpropamide for diabetes mellitus type II, developed severe cholestatic hepatitis following a short course of erythromycin ethylsuccinate. Despite prompt withdrawal of both drugs, the cholestatic picture worsened and was associated with morphological evidence of disappearing interlobular bile ducts. After a 2-year course of profound cholestasis complicated by steatorrhea and striking hyperlipidemia, the patient died of ischemic cardiomyopathy. It is believed that this is the first published case of irreversible cholestasis with disappearance of ducts potentially related to a metbolic interaction between erythromycin ethylsuccinate and chlorpropamide.