Drug interactions
Ixazomib + Ritonavir
Severity: Minor
Ixazomib and Ritonavir: minor 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
Ritonavir strongly inhibits CYP3A4, but strong CYP3A inhibitors did not meaningfully change ixazomib exposure in clinical studies. No clinically important interaction is expected.
What this interaction means in plain words
Ixazomib and Ritonavir have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Ixazomib belongs to Oncology; Ritonavir belongs to Anti Virals.
Why it happens
Ritonavir inhibits CYP3A4, which contributes little to ixazomib clearance.
What to do
No dose adjustment is needed; monitor routinely for ixazomib toxicity.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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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 Ritonavir
- Alfuzosin + Ritonavir Contraindicated
- Amiodarone + Ritonavir Contraindicated
- Avanafil + Ritonavir Contraindicated
- Colchicine + Ritonavir Contraindicated
- Dronedarone + Ritonavir Contraindicated
- Eletriptan + Ritonavir Contraindicated
Frequently asked questions
Can I take Ixazomib with Ritonavir?
MediHelp rates the interaction as minor. Ixazomib and Ritonavir have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Ritonavir strongly inhibits CYP3A4, but strong CYP3A inhibitors did not meaningfully change ixazomib exposure in clinical studies. No clinically important interaction is expected.
How serious is the interaction between Ixazomib and Ritonavir?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose adjustment is needed; monitor routinely for ixazomib toxicity.
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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