Drug interactions
Enzalutamide + Ivosidenib
Severity: Major
Enzalutamide and Ivosidenib: 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
Strong CYP3A4 inducers lower ivosidenib plasma concentrations, which may compromise treatment of IDH1-mutant malignancy. Enzalutamide is a strong CYP3A4 inducer.
What this interaction means in plain words
Enzalutamide and Ivosidenib 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.
Enzalutamide belongs to Endocrine; Ivosidenib belongs to Oncology.
Why it happens
Enzalutamide induces CYP3A4, increasing ivosidenib metabolism.
What to do
Avoid the combination and consider an alternative to enzalutamide. If unavoidable, monitor response to ivosidenib closely.
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 Enzalutamide
- Doravirine + Enzalutamide Contraindicated
- Elbasvir / grazoprevir + Enzalutamide Contraindicated
- Ensitrelvir + Enzalutamide Contraindicated
- Enzalutamide + Fostemsavir Contraindicated
- Enzalutamide + Isavuconazonium Contraindicated
- Enzalutamide + Lenacapavir Contraindicated
Other interactions of Ivosidenib
- Alfuzosin + Ivosidenib Major
- Amiodarone + Ivosidenib Major
- Amisulpride + Ivosidenib Major
- Amitriptyline + Ivosidenib Major
- Amobarbital + Ivosidenib Major
- Anagrelide + Ivosidenib Major
Frequently asked questions
Can I take Enzalutamide with Ivosidenib?
MediHelp rates the interaction as major. Enzalutamide and Ivosidenib 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. Strong CYP3A4 inducers lower ivosidenib plasma concentrations, which may compromise treatment of IDH1-mutant malignancy. Enzalutamide is a strong CYP3A4 inducer.
How serious is the interaction between Enzalutamide and Ivosidenib?
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 the combination and consider an alternative to enzalutamide. If unavoidable, monitor response to ivosidenib closely.
What other medicines interact with Enzalutamide?
MediHelp also lists interactions of Enzalutamide with, for example, Doravirine, Elbasvir / grazoprevir, Ensitrelvir. The full list is on the Enzalutamide page.
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