Drug interactions
Gilteritinib + Sunitinib
Severity: Major
Gilteritinib and Sunitinib: 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
Both drugs prolong the QT interval, and gilteritinib is associated with QTc prolongation and torsades de pointes. Combined use raises the risk of serious ventricular arrhythmia.
What this interaction means in plain words
Gilteritinib and Sunitinib 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.
Gilteritinib belongs to Oncology; Sunitinib belongs to Oncology.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Avoid if possible; otherwise perform ECG monitoring at baseline and regularly, and keep potassium and magnesium within normal range.
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 Sunitinib
- Adagrasib + Sunitinib Major
- Amiodarone + Sunitinib Major
- Amisulpride + Sunitinib Major
- Anagrelide + Sunitinib Major
- Apalutamide + Sunitinib Major
- Arsenic trioxide + Sunitinib Major
Other interactions of Gilteritinib
- Gilteritinib + Pimozide Contraindicated
- Amiodarone + Gilteritinib Major
- Amisulpride + Gilteritinib Major
- Amitriptyline + Gilteritinib Major
- Anagrelide + Gilteritinib Major
- Apalutamide + Gilteritinib Major
Frequently asked questions
Can I take Gilteritinib with Sunitinib?
MediHelp rates the interaction as major. Gilteritinib and Sunitinib 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. Both drugs prolong the QT interval, and gilteritinib is associated with QTc prolongation and torsades de pointes. Combined use raises the risk of serious ventricular arrhythmia.
How serious is the interaction between Gilteritinib and Sunitinib?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if possible; otherwise perform ECG monitoring at baseline and regularly, and keep potassium and magnesium within normal range.
What other medicines interact with Sunitinib?
MediHelp also lists interactions of Sunitinib with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Sunitinib page.
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