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Interactions médicamenteuses

Apalutamide + Fostemsavir

Gravité: Contre-indiquée

Apalutamide and Fostemsavir: contraindicated interaction.

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Résumé

Strong CYP3A4 inducers substantially reduce exposure to temsavir, the active form of fostemsavir. Subtherapeutic levels risk virologic failure and resistance development in patients with multidrug-resistant HIV.

Ce que signifie cette interaction, en termes simples

Apalutamide and Fostemsavir 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.

Apalutamide belongs to Endocrine; Fostemsavir belongs to Anti Virals.

Niveau de preuve: High

Pourquoi elle survient

Apalutamide induces CYP3A4, accelerating the clearance of temsavir.

Conduite à tenir

Avoid the combination; use a different antiandrogen therapy if fostemsavir is needed. Monitor HIV RNA if exposure to the inducer was recent.

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 Apalutamide with Fostemsavir?

MediHelp rates the interaction as contraindicated. Apalutamide and Fostemsavir 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. Strong CYP3A4 inducers substantially reduce exposure to temsavir, the active form of fostemsavir. Subtherapeutic levels risk virologic failure and resistance development in patients with multidrug-resistant HIV.

How serious is the interaction between Apalutamide and Fostemsavir?

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 the combination; use a different antiandrogen therapy if fostemsavir is needed. Monitor HIV RNA if exposure to the inducer was recent.

What other medicines interact with Apalutamide?

MediHelp also lists interactions of Apalutamide with, for example, Cabotegravir, Cobicistat, Doravirine. The full list is on the Apalutamide page.

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