Drug interactions
Ezogabine + Ribociclib
Severity: Major
Ezogabine and Ribociclib: 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
Both drugs can prolong the QT interval, so combining them may raise the risk of torsades de pointes. Ribociclib has a clear dose-related QT effect, and ezogabine has also been associated with QT changes.
What this interaction means in plain words
Ezogabine and Ribociclib 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.
Ezogabine belongs to Central Nervous System; Ribociclib belongs to Oncology.
Why it happens
Additive prolongation of cardiac repolarization (QTc).
What to do
Avoid the combination if possible and choose another anticonvulsant. If it is unavoidable, obtain a baseline ECG, correct potassium and magnesium, and monitor the ECG regularly.
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 Ezogabine
Other interactions of Ribociclib
- Amiodarone + Ribociclib Contraindicated
- Cisapride + Ribociclib Contraindicated
- Dofetilide + Ribociclib Contraindicated
- Dronedarone + Ribociclib Contraindicated
- Flibanserin + Ribociclib Contraindicated
- Ibutilide + Ribociclib Contraindicated
Frequently asked questions
Can I take Ezogabine with Ribociclib?
MediHelp rates the interaction as major. Ezogabine and Ribociclib 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. Both drugs can prolong the QT interval, so combining them may raise the risk of torsades de pointes. Ribociclib has a clear dose-related QT effect, and ezogabine has also been associated with QT changes.
How serious is the interaction between Ezogabine and Ribociclib?
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 if possible and choose another anticonvulsant. If it is unavoidable, obtain a baseline ECG, correct potassium and magnesium, and monitor the ECG regularly.
What other medicines interact with Ezogabine?
MediHelp also lists interactions of Ezogabine with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Ezogabine page.
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