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Drug interactions

Chlorambucil + Denosumab

Severity: Moderate

Chlorambucil and Denosumab: 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

Denosumab labeling advises caution in patients on immunosuppressants because of a higher risk of serious infections, including skin infections. Chlorambucil is immunosuppressive and myelosuppressive, so the risk may be higher.

What this interaction means in plain words

Chlorambucil and Denosumab 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.

Chlorambucil belongs to Oncology; Denosumab belongs to Oncology.

Evidence level: Low

Why it happens

Additive infection risk from chlorambucil immunosuppression and RANKL inhibition effects on immune function.

What to do

Monitor for signs of infection and counsel patients to report fever or skin symptoms promptly. Check calcium and vitamin D status as for any denosumab use.

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 Chlorambucil with Denosumab?

MediHelp rates the interaction as moderate. Chlorambucil and Denosumab 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. Denosumab labeling advises caution in patients on immunosuppressants because of a higher risk of serious infections, including skin infections. Chlorambucil is immunosuppressive and myelosuppressive, so the risk may be higher.

How serious is the interaction between Chlorambucil and Denosumab?

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 signs of infection and counsel patients to report fever or skin symptoms promptly. Check calcium and vitamin D status as for any denosumab use.

What other medicines interact with Chlorambucil?

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

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

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