Drug interactions
Encorafenib + Ixazomib
Severity: Moderate
Encorafenib and Ixazomib: 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
Encorafenib both inhibits and induces CYP3A4, so its net effect on ixazomib exposure is unpredictable. Ixazomib is metabolized partly by CYP3A4, and exposure could rise or fall.
What this interaction means in plain words
Encorafenib and Ixazomib 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.
Encorafenib belongs to Oncology; Ixazomib belongs to Oncology.
Why it happens
Encorafenib has mixed CYP3A4 inhibition and induction, altering ixazomib metabolism in an unpredictable direction.
What to do
Monitor for ixazomib toxicity (thrombocytopenia, gastrointestinal effects, neuropathy) and for loss of response, adjusting therapy as clinically indicated.
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 Ixazomib
- Apalutamide + Ixazomib Major
- Carbamazepine + Ixazomib Major
- Dabrafenib + Ixazomib Major
- Enzalutamide + Ixazomib Major
- Etrasimod + Ixazomib Major
- Fosphenytoin + Ixazomib Major
Other interactions of Encorafenib
Frequently asked questions
Can I take Encorafenib with Ixazomib?
MediHelp rates the interaction as moderate. Encorafenib and Ixazomib 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. Encorafenib both inhibits and induces CYP3A4, so its net effect on ixazomib exposure is unpredictable. Ixazomib is metabolized partly by CYP3A4, and exposure could rise or fall.
How serious is the interaction between Encorafenib and Ixazomib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for ixazomib toxicity (thrombocytopenia, gastrointestinal effects, neuropathy) and for loss of response, adjusting therapy as clinically indicated.
What other medicines interact with Ixazomib?
MediHelp also lists interactions of Ixazomib with, for example, Apalutamide, Carbamazepine, Dabrafenib. The full list is on the Ixazomib page.
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