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Interazioni tra farmaci

Enzalutamide + Erlotinib

Gravità: Maggiore

Enzalutamide and Erlotinib: major interaction.

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Sintesi

Erlotinib is cleared mainly by CYP3A4, and strong inducers reduce its exposure significantly. Lower levels may reduce tumor control.

Cosa significa questa interazione in parole semplici

Enzalutamide and Erlotinib 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.

Enzalutamide belongs to Endocrine; Erlotinib belongs to Oncology.

Livello di evidenza: Moderate

Perché avviene

Enzalutamide induces CYP3A4, increasing erlotinib metabolism.

Cosa fare

Avoid the combination if possible. If it cannot be avoided, consider increasing the erlotinib dose cautiously with monitoring for toxicity, and reduce it after the inducer is stopped.

Cosa chiedere al farmacista

  • 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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Domande frequenti

Can I take Enzalutamide with Erlotinib?

MediHelp rates the interaction as major. Enzalutamide and Erlotinib 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. Erlotinib is cleared mainly by CYP3A4, and strong inducers reduce its exposure significantly. Lower levels may reduce tumor control.

How serious is the interaction between Enzalutamide and Erlotinib?

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 it cannot be avoided, consider increasing the erlotinib dose cautiously with monitoring for toxicity, and reduce it after the inducer is stopped.

What other medicines interact with Enzalutamide?

MediHelp also lists interactions of Enzalutamide with, for example, Doravirine, Elbasvir / grazoprevir, Ensitrelvir. The full list is on the Enzalutamide page.

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