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Interactions médicamenteuses

Adagrasib + Crizotinib

Gravité: Majeure

Adagrasib and Crizotinib: major interaction.

Dernière mise à jour

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Résumé

Both drugs prolong the QTc interval, and adagrasib also inhibits CYP3A4, which raises crizotinib exposure. Together they increase the risk of torsades de pointes and serious arrhythmias.

Ce que signifie cette interaction, en termes simples

Adagrasib and Crizotinib 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.

Adagrasib belongs to Oncology; Crizotinib belongs to Oncology.

Niveau de preuve: Moderate

Pourquoi elle survient

Additive QTc prolongation, with adagrasib CYP3A4 inhibition further raising crizotinib concentrations.

Conduite à tenir

Avoid the combination if possible. If unavoidable, obtain baseline and serial ECGs, and correct potassium and magnesium.

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 Adagrasib with Crizotinib?

MediHelp rates the interaction as major. Adagrasib and Crizotinib 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. Both drugs prolong the QTc interval, and adagrasib also inhibits CYP3A4, which raises crizotinib exposure. Together they increase the risk of torsades de pointes and serious arrhythmias.

How serious is the interaction between Adagrasib and Crizotinib?

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 if possible. If unavoidable, obtain baseline and serial ECGs, and correct potassium and magnesium.

What other medicines interact with Crizotinib?

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