Drug interactions
Ribociclib + Sevoflurane
Severity: Major
Ribociclib and Sevoflurane: 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
Ribociclib causes dose-dependent QT prolongation, and sevoflurane also lengthens the QT interval. Their combination can raise the risk of torsades de pointes under anesthesia.
What this interaction means in plain words
Ribociclib and Sevoflurane 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.
Ribociclib belongs to Oncology; Sevoflurane belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Check baseline ECG and correct potassium, magnesium and calcium before the procedure. Monitor the ECG throughout anesthesia and consider an alternative anesthetic technique; discuss holding ribociclib with the oncologist if surgery is elective.
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 Sevoflurane
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 Ribociclib with Sevoflurane?
MediHelp rates the interaction as major. Ribociclib and Sevoflurane 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. Ribociclib causes dose-dependent QT prolongation, and sevoflurane also lengthens the QT interval. Their combination can raise the risk of torsades de pointes under anesthesia.
How serious is the interaction between Ribociclib and Sevoflurane?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check baseline ECG and correct potassium, magnesium and calcium before the procedure. Monitor the ECG throughout anesthesia and consider an alternative anesthetic technique; discuss holding ribociclib with the oncologist if surgery is elective.
What other medicines interact with Sevoflurane?
MediHelp also lists interactions of Sevoflurane with, for example, Amiodarone, Amisulpride, Arsenic trioxide. The full list is on the Sevoflurane page.
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