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Drug interactions

Everolimus + Rucaparib

Severity: Moderate

Everolimus and Rucaparib: 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

Rucaparib is a weak CYP3A inhibitor and may modestly increase everolimus concentrations. This could increase everolimus-related adverse effects such as stomatitis, cytopenias and pneumonitis.

What this interaction means in plain words

Everolimus and Rucaparib 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.

Everolimus belongs to Oncology; Rucaparib belongs to Oncology.

Evidence level: Low

Why it happens

Rucaparib inhibits CYP3A4, reducing the metabolic clearance of everolimus.

What to do

Monitor everolimus trough levels and for toxicity, and adjust the everolimus dose accordingly.

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 Everolimus with Rucaparib?

MediHelp rates the interaction as moderate. Everolimus and Rucaparib 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. Rucaparib is a weak CYP3A inhibitor and may modestly increase everolimus concentrations. This could increase everolimus-related adverse effects such as stomatitis, cytopenias and pneumonitis.

How serious is the interaction between Everolimus and Rucaparib?

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 everolimus trough levels and for toxicity, and adjust the everolimus dose accordingly.

What other medicines interact with Everolimus?

MediHelp also lists interactions of Everolimus with, for example, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal, Levoketoconazole. The full list is on the Everolimus page.

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

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