Drug interactions
Sorafenib + Sunitinib
Severity: Moderate
Sorafenib and Sunitinib: 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
Both agents have been associated with QT prolongation, so together they may increase the risk of ventricular arrhythmias. The risk is greater with electrolyte abnormalities or underlying cardiac disease.
What this interaction means in plain words
Sorafenib and Sunitinib 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.
Sorafenib belongs to Oncology; Sunitinib belongs to Oncology.
Why it happens
Additive pharmacodynamic QT prolongation.
What to do
Check ECG and electrolytes at baseline and during treatment. Correct hypokalemia and hypomagnesemia and reduce the dose if QTc becomes prolonged.
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 Sorafenib
Other interactions of Sunitinib
- Adagrasib + Sunitinib Major
- Amiodarone + Sunitinib Major
- Amisulpride + Sunitinib Major
- Anagrelide + Sunitinib Major
- Apalutamide + Sunitinib Major
- Arsenic trioxide + Sunitinib Major
Frequently asked questions
Can I take Sorafenib with Sunitinib?
MediHelp rates the interaction as moderate. Sorafenib and Sunitinib 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. Both agents have been associated with QT prolongation, so together they may increase the risk of ventricular arrhythmias. The risk is greater with electrolyte abnormalities or underlying cardiac disease.
How serious is the interaction between Sorafenib and Sunitinib?
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 during treatment. Correct hypokalemia and hypomagnesemia and reduce the dose if QTc becomes prolonged.
What other medicines interact with Sorafenib?
MediHelp also lists interactions of Sorafenib with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Sorafenib page.
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