Drug interactions
Buprenorphine subdermal implant + Netupitant-palonosetron
Severity: Moderate
Buprenorphine subdermal implant 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 inhibits CYP3A4 and may raise buprenorphine plasma levels from the implant, which cannot be dose-adjusted easily. This can cause sedation, respiratory depression and other signs of opioid overdose.
What this interaction means in plain words
Buprenorphine subdermal implant 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
Inhibition of CYP3A4 by netupitant reduces buprenorphine metabolism and raises its exposure.
What to do
Monitor for sedation, respiratory depression and other signs of overmedication. If the symptoms persist, consider implant removal and switching to an adjustable buprenorphine formulation.
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
Frequently asked questions
Can I take Buprenorphine subdermal implant with Netupitant-palonosetron?
MediHelp rates the interaction as moderate. Buprenorphine subdermal implant 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 inhibits CYP3A4 and may raise buprenorphine plasma levels from the implant, which cannot be dose-adjusted easily. This can cause sedation, respiratory depression and other signs of opioid overdose.
How serious is the interaction between Buprenorphine subdermal implant 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 sedation, respiratory depression and other signs of overmedication. If the symptoms persist, consider implant removal and switching to an adjustable buprenorphine formulation.
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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