Drug interactions
Atazanavir + Brentuximab
Severity: Moderate
Atazanavir and Brentuximab: 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
Atazanavir is a strong CYP3A4 inhibitor and can raise exposure to the cytotoxic payload (MMAE) released from brentuximab vedotin. This may increase the risk of neutropenia and peripheral neuropathy.
What this interaction means in plain words
Atazanavir and Brentuximab 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.
Atazanavir belongs to Anti Virals; Brentuximab belongs to Oncology.
Why it happens
Inhibition of CYP3A4 reduces metabolism of MMAE, the active cytotoxic component of brentuximab vedotin.
What to do
Monitor blood counts and neuropathy symptoms closely during co-treatment. Consider an alternative antiretroviral without strong CYP3A4 inhibition if toxicity develops.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Atazanavir and Brentuximab, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Brentuximab
- Bleomycin + Brentuximab Contraindicated
- Brentuximab + Dengue vaccine Major
- Brentuximab + Etrasimod Major
- Brentuximab + Idelalisib Major
- Brentuximab + Levoketoconazole Major
- Brentuximab + Nefazodone Major
Other interactions of Atazanavir
- Alfuzosin + Atazanavir Contraindicated
- Atazanavir + Avanafil Contraindicated
- Atazanavir + Dronedarone Contraindicated
- Atazanavir + Eletriptan Contraindicated
- Atazanavir + Eplerenone Contraindicated
- Atazanavir + Ergotamine Contraindicated
Frequently asked questions
Can I take Atazanavir with Brentuximab?
MediHelp rates the interaction as moderate. Atazanavir and Brentuximab 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. Atazanavir is a strong CYP3A4 inhibitor and can raise exposure to the cytotoxic payload (MMAE) released from brentuximab vedotin. This may increase the risk of neutropenia and peripheral neuropathy.
How serious is the interaction between Atazanavir and Brentuximab?
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 blood counts and neuropathy symptoms closely during co-treatment. Consider an alternative antiretroviral without strong CYP3A4 inhibition if toxicity develops.
What other medicines interact with Brentuximab?
MediHelp also lists interactions of Brentuximab with, for example, Bleomycin, Dengue vaccine, Etrasimod. The full list is on the Brentuximab page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
