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Interactions médicamenteuses

Mavacamten + Megestrol

Gravité: Modérée

Mavacamten and Megestrol: moderate interaction.

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Résumé

Mavacamten may lower exposure to CYP3A4-metabolized hormonal agents, and labeling warns of reduced efficacy of hormonal contraceptives. Megestrol used for appetite or cancer is not mainly a contraceptive, so the clinical impact depends on use.

Ce que signifie cette interaction, en termes simples

Mavacamten and Megestrol 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.

Mavacamten belongs to Cardiovascular; Megestrol belongs to Oncology.

Niveau de preuve: Low

Pourquoi elle survient

Mavacamten may induce CYP3A4 and increase the metabolism of progestins.

Conduite à tenir

If megestrol is used for contraception or hormonal therapy, add a nonhormonal method for the duration of mavacamten and for several months afterward. Monitor for loss of megestrol effect.

Questions à poser à votre pharmacien

  • 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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Questions fréquentes

Can I take Mavacamten with Megestrol?

MediHelp rates the interaction as moderate. Mavacamten and Megestrol 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. Mavacamten may lower exposure to CYP3A4-metabolized hormonal agents, and labeling warns of reduced efficacy of hormonal contraceptives. Megestrol used for appetite or cancer is not mainly a contraceptive, so the clinical impact depends on use.

How serious is the interaction between Mavacamten and Megestrol?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: If megestrol is used for contraception or hormonal therapy, add a nonhormonal method for the duration of mavacamten and for several months afterward. Monitor for loss of megestrol effect.

What other medicines interact with Megestrol?

MediHelp also lists interactions of Megestrol with, for example, Dofetilide, Insulin degludec / insulin aspart, Insulin degludec-insulin aspart. The full list is on the Megestrol page.

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