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Drug interactions

Brentuximab + Lenacapavir

Severity: Moderate

Brentuximab and Lenacapavir: 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

Lenacapavir is a moderate CYP3A4 inhibitor and may raise exposure to MMAE released from brentuximab vedotin. This could increase MMAE-related toxicities such as neutropenia and neuropathy, and the effect may persist for months after the last injection.

What this interaction means in plain words

Brentuximab and Lenacapavir 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 belongs to Oncology; Lenacapavir belongs to Anti Virals.

Evidence level: Low

Why it happens

Inhibition of CYP3A4-mediated MMAE metabolism.

What to do

Monitor for neutropenia and peripheral neuropathy and consider delaying doses or reducing them if toxicity occurs.

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 with Lenacapavir?

MediHelp rates the interaction as moderate. Brentuximab and Lenacapavir 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. Lenacapavir is a moderate CYP3A4 inhibitor and may raise exposure to MMAE released from brentuximab vedotin. This could increase MMAE-related toxicities such as neutropenia and neuropathy, and the effect may persist for months after the last injection.

How serious is the interaction between Brentuximab and Lenacapavir?

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 for neutropenia and peripheral neuropathy and consider delaying doses or reducing them if toxicity occurs.

What other medicines interact with Brentuximab?

MediHelp also lists interactions of Brentuximab with, for example, Bleomycin, Dengue vaccine, Etrasimod. The full list is on the Brentuximab page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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