Drug interactions
Brexpiprazole + Stiripentol
Severity: Moderate
Brexpiprazole and Stiripentol: 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
Stiripentol both inhibits and induces CYP3A4 (and inhibits CYP2D6), so the net effect on brexpiprazole exposure is unpredictable. Patients may experience either excess adverse effects or reduced efficacy.
What this interaction means in plain words
Brexpiprazole and Stiripentol 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.
Brexpiprazole belongs to Central Nervous System; Stiripentol belongs to Central Nervous System.
Why it happens
Stiripentol has mixed CYP3A4 inhibitory and inducing effects and also inhibits CYP2D6, altering brexpiprazole metabolism in an unpredictable direction.
What to do
Monitor clinical response and adverse effects such as sedation and akathisia when starting or stopping stiripentol, and adjust the brexpiprazole dose accordingly.
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?
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Other interactions of Brexpiprazole
Other interactions of Stiripentol
Frequently asked questions
Can I take Brexpiprazole with Stiripentol?
MediHelp rates the interaction as moderate. Brexpiprazole and Stiripentol 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. Stiripentol both inhibits and induces CYP3A4 (and inhibits CYP2D6), so the net effect on brexpiprazole exposure is unpredictable. Patients may experience either excess adverse effects or reduced efficacy.
How serious is the interaction between Brexpiprazole and Stiripentol?
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 and adverse effects such as sedation and akathisia when starting or stopping stiripentol, and adjust the brexpiprazole dose accordingly.
What other medicines interact with Brexpiprazole?
MediHelp also lists interactions of Brexpiprazole with, for example, Alfentanil, Amisulpride, Apalutamide. The full list is on the Brexpiprazole page.
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