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Interactions médicamenteuses

Bosutinib + Diltiazem

Gravité: Majeure

Bosutinib and Diltiazem: major interaction.

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Résumé

Bosutinib is a CYP3A4 substrate, and diltiazem is a moderate CYP3A4 inhibitor. Higher bosutinib levels raise the risk of hepatotoxicity, gastrointestinal toxicity and myelosuppression.

Ce que signifie cette interaction, en termes simples

Bosutinib and Diltiazem 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.

Bosutinib belongs to Oncology; Diltiazem belongs to Cardiovascular.

Niveau de preuve: Moderate

Pourquoi elle survient

Diltiazem inhibits CYP3A4-mediated metabolism of bosutinib.

Conduite à tenir

Avoid the combination and use a non-interacting alternative to diltiazem. If it is unavoidable, monitor liver tests, blood counts and GI symptoms and consider reducing the bosutinib dose.

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 Bosutinib with Diltiazem?

MediHelp rates the interaction as major. Bosutinib and Diltiazem 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. Bosutinib is a CYP3A4 substrate, and diltiazem is a moderate CYP3A4 inhibitor. Higher bosutinib levels raise the risk of hepatotoxicity, gastrointestinal toxicity and myelosuppression.

How serious is the interaction between Bosutinib and Diltiazem?

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 the combination and use a non-interacting alternative to diltiazem. If it is unavoidable, monitor liver tests, blood counts and GI symptoms and consider reducing the bosutinib dose.

What other medicines interact with Diltiazem?

MediHelp also lists interactions of Diltiazem with, for example, Flibanserin, Ivabradine, Lomitapide. The full list is on the Diltiazem 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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