Drug interactions
Netupitant-palonosetron + Palbociclib
Severity: Moderate
Netupitant-palonosetron and Palbociclib: 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 may increase palbociclib exposure, since palbociclib is mainly metabolized by CYP3A4. Higher palbociclib levels may worsen neutropenia and other adverse effects.
What this interaction means in plain words
Netupitant-palonosetron and Palbociclib 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-palonosetron belongs to Gastrointestinal Tract; Palbociclib belongs to Oncology.
Why it happens
Netupitant inhibits CYP3A4, reducing palbociclib clearance.
What to do
Monitor blood counts closely for neutropenia and other palbociclib toxicity. Consider reducing the palbociclib dose if toxicity develops.
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 Netupitant-palonosetron
- Apomorphine + Netupitant-palonosetron Contraindicated
- Flibanserin + Netupitant-palonosetron Contraindicated
- Apalutamide + Netupitant-palonosetron Major
- Avapritinib + Netupitant-palonosetron Major
- Carbamazepine + Netupitant-palonosetron Major
- Cobimetinib + Netupitant-palonosetron Major
Other interactions of Palbociclib
Frequently asked questions
Can I take Netupitant-palonosetron with Palbociclib?
MediHelp rates the interaction as moderate. Netupitant-palonosetron and Palbociclib 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 may increase palbociclib exposure, since palbociclib is mainly metabolized by CYP3A4. Higher palbociclib levels may worsen neutropenia and other adverse effects.
How serious is the interaction between Netupitant-palonosetron and Palbociclib?
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 blood counts closely for neutropenia and other palbociclib toxicity. Consider reducing the palbociclib dose if toxicity develops.
What other medicines interact with Netupitant-palonosetron?
MediHelp also lists interactions of Netupitant-palonosetron with, for example, Apomorphine, Flibanserin, Apalutamide. The full list is on the Netupitant-palonosetron page.
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