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Drug interactions

Mitoxantrone + Ponatinib

Severity: Moderate

Mitoxantrone and Ponatinib: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Ponatinib inhibits BCRP and P-glycoprotein in vitro, and mitoxantrone is a substrate of BCRP. Exposure to mitoxantrone may increase. Both drugs also carry myelosuppressive and cardiac toxicity.

What this interaction means in plain words

Mitoxantrone and Ponatinib can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Mitoxantrone belongs to Central Nervous System; Ponatinib belongs to Oncology.

Evidence level: Low

Why it happens

Ponatinib may inhibit BCRP/P-gp efflux of mitoxantrone, and both drugs have additive toxicities.

What to do

Monitor blood counts and cardiac function, and reduce mitoxantrone dose if toxicity develops.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Mitoxantrone with Ponatinib?

MediHelp rates the interaction as moderate. Mitoxantrone and Ponatinib can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Ponatinib inhibits BCRP and P-glycoprotein in vitro, and mitoxantrone is a substrate of BCRP. Exposure to mitoxantrone may increase. Both drugs also carry myelosuppressive and cardiac toxicity.

How serious is the interaction between Mitoxantrone and Ponatinib?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood counts and cardiac function, and reduce mitoxantrone dose if toxicity develops.

What other medicines interact with Mitoxantrone?

MediHelp also lists interactions of Mitoxantrone with, for example, Adenovirus types 4 and 7 live, Axicabtagene ciloleucel, Belatacept. The full list is on the Mitoxantrone page.

Full monographs, dosing and an interaction checker in the MediHelp app

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