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Drug interactions

Brentuximab vedotin + Itraconazole

Severity: Moderate

Brentuximab vedotin and Itraconazole: 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

Itraconazole can increase exposure to monomethyl auristatin E (MMAE), the cytotoxic component released from brentuximab vedotin. This may raise the risk of neutropenia and peripheral neuropathy.

What this interaction means in plain words

Brentuximab vedotin and Itraconazole 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.

Brentuximab vedotin belongs to Oncology; Itraconazole belongs to Anti Fungals.

Evidence level: Moderate

Why it happens

Strong CYP3A4 inhibition (with possible P-gp inhibition) decreases MMAE clearance.

What to do

Monitor closely for neutropenia, neuropathy and infection during co-therapy. Consider delaying or reducing brentuximab vedotin if toxicity appears.

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 Brentuximab vedotin with Itraconazole?

MediHelp rates the interaction as moderate. Brentuximab vedotin and Itraconazole 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. Itraconazole can increase exposure to monomethyl auristatin E (MMAE), the cytotoxic component released from brentuximab vedotin. This may raise the risk of neutropenia and peripheral neuropathy.

How serious is the interaction between Brentuximab vedotin and Itraconazole?

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 closely for neutropenia, neuropathy and infection during co-therapy. Consider delaying or reducing brentuximab vedotin if toxicity appears.

What other medicines interact with Itraconazole?

MediHelp also lists interactions of Itraconazole with, for example, Alfuzosin, Alprazolam, Avanafil. The full list is on the Itraconazole page.

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

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