Bosutinib and Mifepristone interaction

Bosutinib and Mifepristone: the Bosutinib 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 Bosutinib (BOSULIF) label · effective 2026-03-10

Major

• Strong and Moderate CYP3A Inhibitors: Avoid concomitant use with BOSULIF.

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Major

Effect of Other Drugs on BOSULIF Strong or Moderate CYP3A Inhibitors Avoid the concomitant use of strong or moderate CYP3A inhibitors with BOSULIF.

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Moderate

Concomitant use with a strong or moderate CYP3A inhibitor increases bosutinib C max and AUC [see Clinical Pharmacology (12.3) ] which may increase the risk of toxicities.

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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.