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Interactions médicamenteuses

Ketoconazole + Venetoclax

Gravité: Contre-indiquée

Ketoconazole and Venetoclax: contraindicated interaction.

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Résumé

Ketoconazole markedly raises venetoclax exposure, increasing the risk of tumor lysis syndrome and neutropenia. It is contraindicated during the initial ramp-up phase.

Ce que signifie cette interaction, en termes simples

Ketoconazole and Venetoclax are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.

Ketoconazole belongs to Anti Fungals; Venetoclax belongs to Miscellaneous.

Niveau de preuve: High

Pourquoi elle survient

Strong CYP3A4 inhibition (and P-gp inhibition) reduces venetoclax clearance.

Conduite à tenir

Avoid during ramp-up. After ramp-up, reduce the venetoclax dose by at least 75% and monitor for toxicity.

Questions à poser à votre pharmacien

  • Is there an alternative to one of these two medicines for me?
  • If both are essential, who is monitoring me and how often?
  • Which symptoms mean I should stop and seek help straight away?

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 Venetoclax?

MediHelp rates the interaction as contraindicated. Ketoconazole and Venetoclax are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Ketoconazole markedly raises venetoclax exposure, increasing the risk of tumor lysis syndrome and neutropenia. It is contraindicated during the initial ramp-up phase.

How serious is the interaction between Ketoconazole and Venetoclax?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid during ramp-up. After ramp-up, reduce the venetoclax dose by at least 75% and monitor for toxicity.

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.

Monographies complètes, posologies et vérificateur d'interactions dans l'application MediHelp

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

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