Interaction of all-trans-retinoic acid with fluconazole in acute promyelocytic leukemia
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Kelly L Vanier1, Andrea J Mattiussi, Donna L Johnston
1School of Medicine, McMaster University, Hamilton, Ontario, Canada.
Abstract:
All-trans-retinoic acid (ATRA) has a dramatic antitumor effect in patients with acute promyelocytic leukemia (APL). It is hepatically metabolized by cytochrome P-450, and there are known toxicities associated with high levels of this drug. The effects of ATRA can be potentiated by inhibition of cytochrome P-450, which is known to occur with certain drugs. We report a case of a patient with ATRA toxicity thought to be secondary to interaction with fluconazole.
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