Drug interactions
Osimertinib + Sorafenib
Severity: Moderate
Osimertinib and Sorafenib: 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 drugs can prolong the QTc interval, so concurrent use may increase arrhythmia risk. Electrolyte disturbance and other QT-prolonging drugs add to the risk.
What this interaction means in plain words
Osimertinib and Sorafenib 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.
Osimertinib belongs to Oncology; Sorafenib belongs to Oncology.
Why it happens
Additive QT prolongation through pharmacodynamic effects.
What to do
Perform periodic ECG and electrolyte monitoring. Correct potassium and magnesium abnormalities.
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 Osimertinib
Frequently asked questions
Can I take Osimertinib with Sorafenib?
MediHelp rates the interaction as moderate. Osimertinib and Sorafenib 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 drugs can prolong the QTc interval, so concurrent use may increase arrhythmia risk. Electrolyte disturbance and other QT-prolonging drugs add to the risk.
How serious is the interaction between Osimertinib and Sorafenib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Perform periodic ECG and electrolyte monitoring. Correct potassium and magnesium abnormalities.
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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