Drug interactions
Inotuzumab + Leuprolide
Severity: Moderate
Inotuzumab and Leuprolide: moderate 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 labeled for QT prolongation, and leuprolide may add to this effect. Together they may raise the risk of arrhythmia, especially with electrolyte disturbances.
What this interaction means in plain words
Inotuzumab and Leuprolide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Additive QT prolongation.
What to do
Obtain ECG and electrolytes before starting and periodically during treatment. Correct electrolyte abnormalities and reassess if QTc lengthens.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Leuprolide
- Leuprolide + Pimozide Contraindicated
- Leuprolide + Thioridazine Contraindicated
- Amisulpride + Leuprolide Major
- Arsenic trioxide + Leuprolide Major
- Artemether / lumefantrine + Leuprolide Major
- Disopyramide + Leuprolide Major
Frequently asked questions
Can I take Inotuzumab with Leuprolide?
MediHelp rates the interaction as moderate. Inotuzumab and Leuprolide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Inotuzumab ozogamicin is labeled for QT prolongation, and leuprolide may add to this effect. Together they may raise the risk of arrhythmia, especially with electrolyte disturbances.
How serious is the interaction between Inotuzumab and Leuprolide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain ECG and electrolytes before starting and periodically during treatment. Correct electrolyte abnormalities and reassess if QTc lengthens.
What other medicines interact with Leuprolide?
MediHelp also lists interactions of Leuprolide with, for example, Pimozide, Thioridazine, Amisulpride. The full list is on the Leuprolide page.
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