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Drug interactions

Gemtuzumab + Ranolazine

Severity: Moderate

Gemtuzumab and Ranolazine: 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

Gemtuzumab ozogamicin has been associated with QT prolongation, and ranolazine also prolongs QTc. Together they may increase arrhythmia risk.

What this interaction means in plain words

Gemtuzumab and Ranolazine 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.

Evidence level: Low

Why it happens

Additive QTc prolongation.

What to do

Check ECG and electrolytes at baseline and periodically during treatment; correct hypokalemia and hypomagnesemia.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Gemtuzumab with Ranolazine?

MediHelp rates the interaction as moderate. Gemtuzumab and Ranolazine 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. Gemtuzumab ozogamicin has been associated with QT prolongation, and ranolazine also prolongs QTc. Together they may increase arrhythmia risk.

How serious is the interaction between Gemtuzumab and Ranolazine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check ECG and electrolytes at baseline and periodically during treatment; correct hypokalemia and hypomagnesemia.

What other medicines interact with Ranolazine?

MediHelp also lists interactions of Ranolazine with, for example, Adagrasib, Amobarbital, Apalutamide. The full list is on the Ranolazine page.

Full monographs, dosing and an interaction checker in the MediHelp app

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