Drug interactions
Netupitant-palonosetron + Trimipramine
Severity: Moderate
Netupitant-palonosetron and Trimipramine: 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
Trimipramine has weak serotonergic activity, and palonosetron has been associated with serotonin syndrome in combination with serotonergic antidepressants. Netupitant inhibits CYP3A4 and may raise tricyclic concentrations modestly. Palonosetron and tricyclics may also each affect QT interval.
What this interaction means in plain words
Netupitant-palonosetron and Trimipramine 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; Trimipramine belongs to Central Nervous System.
Why it happens
Additive serotonergic effects, possible CYP3A4 inhibition by netupitant, and additive QT effects.
What to do
Monitor for serotonin syndrome and anticholinergic or cardiac effects after dosing. Obtain an ECG if the patient has QT risk factors or other QT-prolonging drugs.
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 Trimipramine
- Disopyramide + Trimipramine Contraindicated
- Dofetilide + Trimipramine Contraindicated
- Ibutilide + Trimipramine Contraindicated
- Isocarboxazid + Trimipramine Contraindicated
- Pentamidine + Trimipramine Contraindicated
- Phenelzine + Trimipramine Contraindicated
Frequently asked questions
Can I take Netupitant-palonosetron with Trimipramine?
MediHelp rates the interaction as moderate. Netupitant-palonosetron and Trimipramine 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. Trimipramine has weak serotonergic activity, and palonosetron has been associated with serotonin syndrome in combination with serotonergic antidepressants. Netupitant inhibits CYP3A4 and may raise tricyclic concentrations modestly. Palonosetron and tricyclics may also each affect QT interval.
How serious is the interaction between Netupitant-palonosetron and Trimipramine?
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 serotonin syndrome and anticholinergic or cardiac effects after dosing. Obtain an ECG if the patient has QT risk factors or other QT-prolonging drugs.
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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