Drug interactions
Axitinib + Saquinavir
Severity: Major
Axitinib and Saquinavir: major interaction.
Last updated Sources: US FDA label
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
Saquinavir inhibits CYP3A4 and can raise axitinib levels, increasing the risk of dose-related toxicity.
What this interaction means in plain words
Axitinib and Saquinavir 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.
Why it happens
Saquinavir inhibits CYP3A4, reducing axitinib clearance.
What to do
Prefer an antiretroviral without strong CYP3A inhibition. If unavoidable, reduce axitinib dose by about 50% and monitor closely.
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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References
Other interactions of Axitinib
- Amobarbital + Axitinib Major
- Apalutamide + Axitinib Major
- Atazanavir + Axitinib Major
- Axitinib + Carbamazepine Major
- Axitinib + Clarithromycin Major
- Axitinib + Cobicistat Major
Frequently asked questions
Can I take Axitinib with Saquinavir?
MediHelp rates the interaction as major. Axitinib and Saquinavir 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. Saquinavir inhibits CYP3A4 and can raise axitinib levels, increasing the risk of dose-related toxicity.
How serious is the interaction between Axitinib and Saquinavir?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Prefer an antiretroviral without strong CYP3A inhibition. If unavoidable, reduce axitinib dose by about 50% and monitor closely.
What other medicines interact with Axitinib?
MediHelp also lists interactions of Axitinib with, for example, Amobarbital, Apalutamide, Atazanavir. The full list is on the Axitinib page.
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