Bortezomib and Mitotane interaction

Bortezomib and Mitotane: the Bortezomib prescribing label flags this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Bortezomib (BORUZU) label · effective 2025-07-05

Major

Strong CYP3A4 Inducers: Avoid concomitant use.

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Major

Avoid coadministration with strong CYP3A4 inducers.

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Moderate

Effects of Other Drugs on BORUZU Strong CYP3A4 Inducers Coadministration with a strong CYP3A4 inducer decreases the exposure of bortezomib [see Clinical Pharmacology (12.3) ] which may decrease bortezomib efficacy.

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Not 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.