Drug interactions
Belzutifan + Etoposide
Severity: Moderate
Belzutifan and Etoposide: 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
Belzutifan is a CYP3A4 inducer and may lower etoposide exposure. Lower levels could reduce antitumor efficacy.
What this interaction means in plain words
Belzutifan and Etoposide 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.
Belzutifan belongs to Miscellaneous; Etoposide belongs to Oncology.
Why it happens
Induction of CYP3A4 by belzutifan increases etoposide metabolism.
What to do
Monitor for reduced etoposide efficacy. Consider an alternative to belzutifan if possible.
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 Etoposide
- Adenovirus types 4 and 7 live + Etoposide Contraindicated
- Etoposide + Pentostatin Contraindicated
- Cyclosporine + Etoposide Major
- Cyclosporin + Etoposide Major
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Etoposide Major
- Etoposide + Fingolimod Major
Other interactions of Belzutifan
Frequently asked questions
Can I take Belzutifan with Etoposide?
MediHelp rates the interaction as moderate. Belzutifan and Etoposide 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. Belzutifan is a CYP3A4 inducer and may lower etoposide exposure. Lower levels could reduce antitumor efficacy.
How serious is the interaction between Belzutifan and Etoposide?
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 reduced etoposide efficacy. Consider an alternative to belzutifan if possible.
What other medicines interact with Etoposide?
MediHelp also lists interactions of Etoposide with, for example, Adenovirus types 4 and 7 live, Pentostatin, Cyclosporine. The full list is on the Etoposide page.
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