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Drug interactions

Duvelisib + Lorlatinib

Severity: Moderate

Duvelisib and Lorlatinib: 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

Duvelisib is metabolized by CYP3A4 and its exposure may fall with lorlatinib, reducing efficacy.

What this interaction means in plain words

Duvelisib and Lorlatinib 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.

Duvelisib belongs to Oncology; Lorlatinib belongs to Oncology.

Evidence level: Moderate

Why it happens

Lorlatinib induces CYP3A4, increasing duvelisib clearance.

What to do

Monitor disease response to duvelisib. Consider an alternative therapy if efficacy appears reduced.

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 Duvelisib with Lorlatinib?

MediHelp rates the interaction as moderate. Duvelisib and Lorlatinib 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. Duvelisib is metabolized by CYP3A4 and its exposure may fall with lorlatinib, reducing efficacy.

How serious is the interaction between Duvelisib and Lorlatinib?

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 disease response to duvelisib. Consider an alternative therapy if efficacy appears reduced.

What other medicines interact with Lorlatinib?

MediHelp also lists interactions of Lorlatinib with, for example, Amobarbital, Apalutamide, Butabarbital. The full list is on the Lorlatinib 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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