Drug interactions
Apalutamide + Brigatinib
Severity: Major
Apalutamide and Brigatinib: 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
Brigatinib is metabolized mainly by CYP3A4, and apalutamide strongly induces this enzyme. Lower brigatinib exposure may reduce efficacy in ALK-positive lung cancer.
What this interaction means in plain words
Apalutamide and Brigatinib 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.
Apalutamide belongs to Endocrine; Brigatinib belongs to Oncology.
Why it happens
Apalutamide induces CYP3A4, increasing brigatinib clearance.
What to do
Avoid concurrent use. If unavoidable, increase the brigatinib dose per labeling guidance for strong inducers and monitor response.
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 Apalutamide
- Apalutamide + Cabotegravir Contraindicated
- Apalutamide + Cobicistat Contraindicated
- Apalutamide + Doravirine Contraindicated
- Apalutamide + Elbasvir / grazoprevir Contraindicated
- Apalutamide + Ensitrelvir Contraindicated
- Apalutamide + Fostemsavir Contraindicated
Other interactions of Brigatinib
Frequently asked questions
Can I take Apalutamide with Brigatinib?
MediHelp rates the interaction as major. Apalutamide and Brigatinib 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. Brigatinib is metabolized mainly by CYP3A4, and apalutamide strongly induces this enzyme. Lower brigatinib exposure may reduce efficacy in ALK-positive lung cancer.
How serious is the interaction between Apalutamide and Brigatinib?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use. If unavoidable, increase the brigatinib dose per labeling guidance for strong inducers and monitor response.
What other medicines interact with Apalutamide?
MediHelp also lists interactions of Apalutamide with, for example, Cabotegravir, Cobicistat, Doravirine. The full list is on the Apalutamide page.
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