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Interazioni tra farmaci

Apalutamide + Flutamide

Gravità: Moderata

Apalutamide and Flutamide: moderate interaction.

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Sintesi

Flutamide is converted by CYP1A2 to its active metabolite, with some CYP3A4 involvement. Apalutamide as an inducer may alter exposure, and both drugs are antiandrogens with additive hepatotoxicity potential, and combining them has no therapeutic rationale.

Cosa significa questa interazione in parole semplici

Apalutamide and Flutamide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Apalutamide belongs to Endocrine; Flutamide belongs to Endocrine.

Livello di evidenza: Low

Perché avviene

Apalutamide induces CYP3A4 and may change flutamide metabolism, with overlapping antiandrogen pharmacology.

Cosa fare

Avoid using two antiandrogens together. If they must be combined, monitor liver tests and clinical response.

Cosa chiedere al farmacista

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Apalutamide with Flutamide?

MediHelp rates the interaction as moderate. Apalutamide and Flutamide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Flutamide is converted by CYP1A2 to its active metabolite, with some CYP3A4 involvement. Apalutamide as an inducer may alter exposure, and both drugs are antiandrogens with additive hepatotoxicity potential, and combining them has no therapeutic rationale.

How serious is the interaction between Apalutamide and Flutamide?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid using two antiandrogens together. If they must be combined, monitor liver tests and clinical response.

What other medicines interact with Flutamide?

MediHelp also lists interactions of Flutamide with, for example, Idelalisib, Levoketoconazole, Pexidartinib. The full list is on the Flutamide page.

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