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Interactions médicamenteuses

Conivaptan + Irinotecan

Gravité: Majeure

Conivaptan and Irinotecan: major interaction.

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Résumé

Conivaptan is a CYP3A4 inhibitor and may raise irinotecan and SN-38 exposure. Severe diarrhea and myelosuppression are possible.

Ce que signifie cette interaction, en termes simples

Conivaptan and Irinotecan can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.

Niveau de preuve: Low

Pourquoi elle survient

Conivaptan inhibits CYP3A4, reducing irinotecan oxidative metabolism.

Conduite à tenir

Avoid concurrent use where possible, and treat hyponatremia with an alternative. If it must be used, monitor for diarrhea and neutropenia.

Questions à poser à votre pharmacien

  • Does the benefit of taking both outweigh the risk in my case?
  • Do I need any blood test, ECG or other check while on both?
  • What early warning signs should I watch for, and what should I do if they appear?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Questions fréquentes

Can I take Conivaptan with Irinotecan?

MediHelp rates the interaction as major. Conivaptan and Irinotecan can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Conivaptan is a CYP3A4 inhibitor and may raise irinotecan and SN-38 exposure. Severe diarrhea and myelosuppression are possible.

How serious is the interaction between Conivaptan and Irinotecan?

MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use where possible, and treat hyponatremia with an alternative. If it must be used, monitor for diarrhea and neutropenia.

What other medicines interact with Irinotecan?

MediHelp also lists interactions of Irinotecan with, for example, Clozapine, Sacituzumab govitecan, Adenovirus types 4 and 7 live. The full list is on the Irinotecan page.

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Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.

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