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Interactions médicamenteuses

Ketoconazole + Pralsetinib

Gravité: Majeure

Ketoconazole and Pralsetinib: major interaction.

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Résumé

Ketoconazole increases pralsetinib exposure and may intensify adverse effects such as hepatotoxicity, hypertension, hemorrhage, pneumonitis and myelosuppression.

Ce que signifie cette interaction, en termes simples

Ketoconazole and Pralsetinib 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.

Ketoconazole belongs to Anti Fungals; Pralsetinib belongs to Oncology.

Niveau de preuve: High

Pourquoi elle survient

Combined inhibition of CYP3A4 metabolism and P-glycoprotein efflux of pralsetinib.

Conduite à tenir

Avoid the combination if possible; if required, reduce the pralsetinib dose per labeling and restore it after 3 to 5 half-lives of the inhibitor have elapsed post-discontinuation.

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 Ketoconazole with Pralsetinib?

MediHelp rates the interaction as major. Ketoconazole and Pralsetinib 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. Ketoconazole increases pralsetinib exposure and may intensify adverse effects such as hepatotoxicity, hypertension, hemorrhage, pneumonitis and myelosuppression.

How serious is the interaction between Ketoconazole and Pralsetinib?

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 required, reduce the pralsetinib dose per labeling and restore it after 3 to 5 half-lives of the inhibitor have elapsed post-discontinuation.

What other medicines interact with Ketoconazole?

MediHelp also lists interactions of Ketoconazole with, for example, Alfuzosin, Alprazolam, Avanafil. The full list is on the Ketoconazole 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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