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Interactions médicamenteuses

Axitinib + Rifabutin

Gravité: Majeure

Axitinib and Rifabutin: major interaction.

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Résumé

Rifabutin induces CYP3A4 and may substantially lower axitinib concentrations, reducing efficacy. The effect is expected to be less than with rifampicin but is still clinically relevant.

Ce que signifie cette interaction, en termes simples

Axitinib and Rifabutin 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.

Axitinib belongs to Oncology; Rifabutin belongs to Anti Bacterial.

Niveau de preuve: Moderate

Pourquoi elle survient

Rifabutin induces CYP3A4 and CYP1A1 pathways, increasing axitinib clearance.

Conduite à tenir

Avoid concomitant use where possible and select an agent with no enzyme-inducing potential. If it is unavoidable, monitor response and consider a gradual axitinib dose increase.

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 Axitinib with Rifabutin?

MediHelp rates the interaction as major. Axitinib and Rifabutin 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. Rifabutin induces CYP3A4 and may substantially lower axitinib concentrations, reducing efficacy. The effect is expected to be less than with rifampicin but is still clinically relevant.

How serious is the interaction between Axitinib and Rifabutin?

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 concomitant use where possible and select an agent with no enzyme-inducing potential. If it is unavoidable, monitor response and consider a gradual axitinib dose increase.

What other medicines interact with Axitinib?

MediHelp also lists interactions of Axitinib with, for example, Amobarbital, Apalutamide, Atazanavir. The full list is on the Axitinib 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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