Drug interactions
Apalutamide + Gilteritinib
Severity: Major
Apalutamide and Gilteritinib: 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
Apalutamide may decrease gilteritinib exposure, risking reduced efficacy in FLT3-mutated acute myeloid leukemia.
What this interaction means in plain words
Apalutamide and Gilteritinib 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; Gilteritinib belongs to Oncology.
Why it happens
Apalutamide induces CYP3A4 and P-glycoprotein, both involved in gilteritinib clearance.
What to do
Avoid coadministration; use an alternative to apalutamide when possible and monitor leukemia 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 Gilteritinib
- Gilteritinib + Pimozide Contraindicated
- Amiodarone + Gilteritinib Major
- Amisulpride + Gilteritinib Major
- Amitriptyline + Gilteritinib Major
- Anagrelide + Gilteritinib Major
- Asenapine + Gilteritinib Major
Frequently asked questions
Can I take Apalutamide with Gilteritinib?
MediHelp rates the interaction as major. Apalutamide and Gilteritinib 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 may decrease gilteritinib exposure, risking reduced efficacy in FLT3-mutated acute myeloid leukemia.
How serious is the interaction between Apalutamide and Gilteritinib?
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 coadministration; use an alternative to apalutamide when possible and monitor leukemia 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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