Drug interactions
Inotuzumab + Sevoflurane
Severity: Major
Inotuzumab 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
Inotuzumab ozogamicin carries a labeled QT prolongation warning, and sevoflurane can also lengthen the QT interval. Giving them close together may increase the risk of torsades de pointes.
What this interaction means in plain words
Inotuzumab 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.
Why it happens
Additive delay of ventricular repolarization.
What to do
Check a baseline ECG and electrolytes before anesthesia and correct any abnormalities. Monitor the ECG during and after the procedure, and avoid other QT-prolonging drugs in the perioperative period.
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
Frequently asked questions
Can I take Inotuzumab with Sevoflurane?
MediHelp rates the interaction as major. Inotuzumab 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. Inotuzumab ozogamicin carries a labeled QT prolongation warning, and sevoflurane can also lengthen the QT interval. Giving them close together may increase the risk of torsades de pointes.
How serious is the interaction between Inotuzumab 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 a baseline ECG and electrolytes before anesthesia and correct any abnormalities. Monitor the ECG during and after the procedure, and avoid other QT-prolonging drugs in the perioperative period.
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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