Phenytoin and Romidepsin interaction
Phenytoin and Romidepsin: the Romidepsin prescribing label flags this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Romidepsin (ISTODAX) label · effective 2023-01-31
• Avoid use with rifampin and strong CYP3A4 inducers ( 7.3 ).
The use of other potent CYP3A4 inducers should be avoided when possible.
Drugs That Induce CYP3A4 Enzymes Rifampin (a potent CYP3A4 inducer) increased the concentrations of romidepsin [see Clinical Pharmacology (12.3) ] .
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.