Drug interactions
Inotuzumab + Paliperidone
Severity: Major
Inotuzumab and Paliperidone: 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 is associated with QT prolongation, and paliperidone can also prolong QTc. Their combination can increase the risk of serious ventricular arrhythmia.
What this interaction means in plain words
Inotuzumab and Paliperidone 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 pharmacodynamic QT prolongation.
What to do
Use an alternative if possible. If combined, obtain ECGs and electrolytes before starting and periodically during treatment, and correct electrolyte abnormalities.
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 Paliperidone
- Ibutilide + Paliperidone Contraindicated
- Paliperidone + Pimozide Contraindicated
- Paliperidone + Vandetanib Contraindicated
- Adagrasib + Paliperidone Major
- Amiodarone + Paliperidone Major
- Amisulpride + Paliperidone Major
Frequently asked questions
Can I take Inotuzumab with Paliperidone?
MediHelp rates the interaction as major. Inotuzumab and Paliperidone 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 is associated with QT prolongation, and paliperidone can also prolong QTc. Their combination can increase the risk of serious ventricular arrhythmia.
How serious is the interaction between Inotuzumab and Paliperidone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use an alternative if possible. If combined, obtain ECGs and electrolytes before starting and periodically during treatment, and correct electrolyte abnormalities.
What other medicines interact with Paliperidone?
MediHelp also lists interactions of Paliperidone with, for example, Ibutilide, Pimozide, Vandetanib. The full list is on the Paliperidone page.
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