Drug interactions
Apalutamide + Brentuximab
Severity: Moderate
Apalutamide 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
Brentuximab vedotin releases the cytotoxic agent MMAE, which is a CYP3A4 substrate. Apalutamide is a strong CYP3A4 inducer and may lower MMAE exposure, potentially reducing antitumor efficacy.
What this interaction means in plain words
Apalutamide 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.
Apalutamide belongs to Endocrine; Brentuximab belongs to Oncology.
Why it happens
Apalutamide induces CYP3A4, increasing metabolism of the released MMAE.
What to do
Monitor for reduced treatment response; consider an alternative to apalutamide if clinically feasible.
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 Brentuximab
- Bleomycin + Brentuximab Contraindicated
- Brentuximab + Dengue vaccine Major
- Brentuximab + Etrasimod Major
- Brentuximab + Idelalisib Major
- Brentuximab + Levoketoconazole Major
- Brentuximab + Nefazodone Major
Other interactions of Apalutamide
- Apalutamide + Cabotegravir Contraindicated
- Apalutamide + Cobicistat Contraindicated
- Apalutamide + Doravirine Contraindicated
- Apalutamide + Elbasvir / grazoprevir Contraindicated
- Apalutamide + Ensitrelvir Contraindicated
- Apalutamide + Fostemsavir Contraindicated
Frequently asked questions
Can I take Apalutamide with Brentuximab?
MediHelp rates the interaction as moderate. Apalutamide 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. Brentuximab vedotin releases the cytotoxic agent MMAE, which is a CYP3A4 substrate. Apalutamide is a strong CYP3A4 inducer and may lower MMAE exposure, potentially reducing antitumor efficacy.
How serious is the interaction between Apalutamide 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 for reduced treatment response; consider an alternative to apalutamide if clinically feasible.
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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