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Drug interactions

Leniolisib + Riluzole

Severity: Moderate

Leniolisib and Riluzole: moderate interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Leniolisib is a weak CYP1A2 inhibitor in the labeling and may increase exposure to CYP1A2 substrates. Riluzole is metabolised mainly by CYP1A2, so levels and dose-related toxicity such as hepatotoxicity may rise.

What this interaction means in plain words

Leniolisib and Riluzole 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.

Leniolisib belongs to Miscellaneous; Riluzole belongs to Miscellaneous.

Evidence level: Low

Why it happens

Inhibition of CYP1A2-mediated metabolism of riluzole.

What to do

Monitor for riluzole adverse effects and liver enzymes. Reduce the riluzole dose if toxicity occurs.

What to ask your pharmacist

  • 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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Frequently asked questions

Can I take Leniolisib with Riluzole?

MediHelp rates the interaction as moderate. Leniolisib and Riluzole 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. Leniolisib is a weak CYP1A2 inhibitor in the labeling and may increase exposure to CYP1A2 substrates. Riluzole is metabolised mainly by CYP1A2, so levels and dose-related toxicity such as hepatotoxicity may rise.

How serious is the interaction between Leniolisib and Riluzole?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for riluzole adverse effects and liver enzymes. Reduce the riluzole dose if toxicity occurs.

What other medicines interact with Riluzole?

MediHelp also lists interactions of Riluzole with, for example, Fluvoxamine, Cannabidiol, Ciprofloxacin. The full list is on the Riluzole page.

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