Drug interactions
Imatinib + Netupitant / palonosetron
Severity: Moderate
Imatinib and Netupitant / palonosetron: 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
Netupitant is a moderate CYP3A4 inhibitor and imatinib is a CYP3A4 substrate, so imatinib levels may rise. Imatinib may modestly raise netupitant exposure, but this is generally not clinically significant given short-course antiemetic use.
What this interaction means in plain words
Imatinib and Netupitant / palonosetron 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.
Why it happens
Netupitant inhibits CYP3A4 metabolism of imatinib, and imatinib may weakly inhibit netupitant metabolism.
What to do
Monitor for imatinib adverse effects such as edema and cytopenias during netupitant use; no netupitant dose adjustment is needed.
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?
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Other interactions of Imatinib
- Imatinib + Lomitapide Contraindicated
- Imatinib + Lonafarnib Contraindicated
- Amobarbital + Imatinib Major
- Apalutamide + Imatinib Major
- Avapritinib + Imatinib Major
- Benzhydrocodone / acetaminophen + Imatinib Major
Frequently asked questions
Can I take Imatinib with Netupitant / palonosetron?
MediHelp rates the interaction as moderate. Imatinib and Netupitant / palonosetron 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. Netupitant is a moderate CYP3A4 inhibitor and imatinib is a CYP3A4 substrate, so imatinib levels may rise. Imatinib may modestly raise netupitant exposure, but this is generally not clinically significant given short-course antiemetic use.
How serious is the interaction between Imatinib and Netupitant / palonosetron?
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 imatinib adverse effects such as edema and cytopenias during netupitant use; no netupitant dose adjustment is needed.
What other medicines interact with Imatinib?
MediHelp also lists interactions of Imatinib with, for example, Lomitapide, Lonafarnib, Amobarbital. The full list is on the Imatinib page.
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