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Mavacamten + Modafinil

Gravità: Maggiore

Mavacamten and Modafinil: major interaction.

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Sintesi

Mavacamten is cleared mainly by CYP2C19 with CYP3A4 contribution, and exposure changes can cause loss of efficacy or excessive negative inotropy leading to systolic heart failure. Modafinil has mixed effects, inducing CYP3A4 and inhibiting CYP2C19, making the net exposure unpredictable.

Cosa significa questa interazione in parole semplici

Mavacamten and Modafinil 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.

Mavacamten belongs to Cardiovascular; Modafinil belongs to Central Nervous System.

Livello di evidenza: Moderate

Perché avviene

Modafinil inhibits CYP2C19 and induces CYP3A4, altering mavacamten metabolism in opposing directions.

Cosa fare

Avoid the combination where possible; if used, monitor LVEF and clinical status closely and adjust mavacamten dose by echocardiographic guidance.

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 Mavacamten with Modafinil?

MediHelp rates the interaction as major. Mavacamten and Modafinil 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. Mavacamten is cleared mainly by CYP2C19 with CYP3A4 contribution, and exposure changes can cause loss of efficacy or excessive negative inotropy leading to systolic heart failure. Modafinil has mixed effects, inducing CYP3A4 and inhibiting CYP2C19, making the net exposure unpredictable.

How serious is the interaction between Mavacamten and Modafinil?

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 where possible; if used, monitor LVEF and clinical status closely and adjust mavacamten dose by echocardiographic guidance.

What other medicines interact with Modafinil?

MediHelp also lists interactions of Modafinil with, for example, Lenacapavir, Leniolisib, Lorlatinib. The full list is on the Modafinil page.

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