Drug interactions
Brentuximab + Nefazodone
Severity: Major
Brentuximab and Nefazodone: major 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
Nefazodone is a strong CYP3A4 inhibitor and can increase exposure to MMAE from brentuximab vedotin. This increases the risk of neutropenia and peripheral neuropathy.
What this interaction means in plain words
Brentuximab and Nefazodone 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
Strong CYP3A4 inhibition reduces MMAE clearance.
What to do
Prefer an alternative antidepressant that does not inhibit CYP3A4. If combined, monitor blood counts and neuropathy and adjust brentuximab as needed.
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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Other interactions of Brentuximab
- Bleomycin + Brentuximab Contraindicated
- Brentuximab + Dengue vaccine Major
- Brentuximab + Etrasimod Major
- Brentuximab + Idelalisib Major
- Brentuximab + Levoketoconazole Major
- Brentuximab + Ritonavir Major
Frequently asked questions
Can I take Brentuximab with Nefazodone?
MediHelp rates the interaction as major. Brentuximab and Nefazodone 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. Nefazodone is a strong CYP3A4 inhibitor and can increase exposure to MMAE from brentuximab vedotin. This increases the risk of neutropenia and peripheral neuropathy.
How serious is the interaction between Brentuximab and Nefazodone?
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 alternative antidepressant that does not inhibit CYP3A4. If combined, monitor blood counts and neuropathy and adjust brentuximab as needed.
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.
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