Drug interactions
Oxcarbazepine + Sonidegib
Severity: Major
Oxcarbazepine and Sonidegib: major 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
Sonidegib is cleared mainly by CYP3A4, and inducers lower its exposure. Reduced levels may impair antitumor efficacy in basal cell carcinoma. Labeling advises avoiding strong or moderate CYP3A inducers.
What this interaction means in plain words
Oxcarbazepine and Sonidegib 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.
Oxcarbazepine belongs to Central Nervous System; Sonidegib belongs to Oncology.
Why it happens
Oxcarbazepine induces CYP3A4, enhancing sonidegib clearance.
What to do
Avoid the combination where possible and use a non-inducing anticonvulsant; if unavoidable, monitor tumor response.
What to ask your pharmacist
- 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?
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Other interactions of Oxcarbazepine
- Cabotegravir + Oxcarbazepine Contraindicated
- Oxcarbazepine + Rilpivirine Contraindicated
- Artemether / lumefantrine + Oxcarbazepine Major
- Atazanavir + Oxcarbazepine Major
- Benzhydrocodone / acetaminophen + Oxcarbazepine Major
- Bictegravir + Oxcarbazepine Major
Other interactions of Sonidegib
- Amiodarone + Sonidegib Major
- Apalutamide + Sonidegib Major
- Aprepitant + Sonidegib Major
- Armodafinil + Sonidegib Major
- Bosentan + Sonidegib Major
- Carbamazepine + Sonidegib Major
Frequently asked questions
Can I take Oxcarbazepine with Sonidegib?
MediHelp rates the interaction as major. Oxcarbazepine and Sonidegib 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. Sonidegib is cleared mainly by CYP3A4, and inducers lower its exposure. Reduced levels may impair antitumor efficacy in basal cell carcinoma. Labeling advises avoiding strong or moderate CYP3A inducers.
How serious is the interaction between Oxcarbazepine and Sonidegib?
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 and use a non-inducing anticonvulsant; if unavoidable, monitor tumor response.
What other medicines interact with Oxcarbazepine?
MediHelp also lists interactions of Oxcarbazepine with, for example, Cabotegravir, Rilpivirine, Artemether / lumefantrine. The full list is on the Oxcarbazepine page.
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