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Interactions médicamenteuses

Sofosbuvir-velpatasvir + St john's wort

Gravité: Contre-indiquée

Sofosbuvir-velpatasvir and St john's wort: contraindicated interaction.

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Résumé

St John's wort induces P-gp and CYP3A4 and can substantially lower sofosbuvir and velpatasvir concentrations. This may cause HCV treatment failure and resistance.

Ce que signifie cette interaction, en termes simples

Sofosbuvir-velpatasvir and St john's wort 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.

Niveau de preuve: High

Pourquoi elle survient

Hyperforin-mediated induction of P-gp and CYP2B6/2C8/3A4 increases antiviral clearance.

Conduite à tenir

Do not coadminister; stop St John's wort before starting HCV therapy.

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 Sofosbuvir-velpatasvir with St john's wort?

MediHelp rates the interaction as contraindicated. Sofosbuvir-velpatasvir and St john's wort 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. St John's wort induces P-gp and CYP3A4 and can substantially lower sofosbuvir and velpatasvir concentrations. This may cause HCV treatment failure and resistance.

How serious is the interaction between Sofosbuvir-velpatasvir and St john's wort?

MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not coadminister; stop St John's wort before starting HCV therapy.

What other medicines interact with Sofosbuvir-velpatasvir?

MediHelp also lists interactions of Sofosbuvir-velpatasvir with, for example, Rifampin, Rifapentine, Amiodarone. The full list is on the Sofosbuvir-velpatasvir page.

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Ouvrez le référentiel complet, vérifiez les interactions entre plusieurs médicaments et utilisez les outils de posologie dans l'application MediHelp.

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