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Drug interactions

Imipramine + Sparsentan

Severity: Moderate

Imipramine and Sparsentan: 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

Sparsentan may reduce imipramine exposure, since imipramine is partly cleared by CYP2C19 to desipramine. This could lessen antidepressant effect.

What this interaction means in plain words

Imipramine and Sparsentan 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.

Imipramine belongs to Central Nervous System; Sparsentan belongs to Genitourinary.

Evidence level: Low

Why it happens

Sparsentan induces CYP2C19, increasing imipramine metabolism.

What to do

Monitor clinical response to imipramine and consider dose adjustment or plasma level monitoring when starting or stopping sparsentan.

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 Imipramine with Sparsentan?

MediHelp rates the interaction as moderate. Imipramine and Sparsentan 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. Sparsentan may reduce imipramine exposure, since imipramine is partly cleared by CYP2C19 to desipramine. This could lessen antidepressant effect.

How serious is the interaction between Imipramine and Sparsentan?

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 clinical response to imipramine and consider dose adjustment or plasma level monitoring when starting or stopping sparsentan.

What other medicines interact with Imipramine?

MediHelp also lists interactions of Imipramine with, for example, Dronedarone, Isocarboxazid, Phenelzine. The full list is on the Imipramine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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