Drug interactions
Apalutamide + Ganaxolone
Severity: Major
Apalutamide and Ganaxolone: 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 ganaxolone exposure, risking reduced seizure control in CDKL5 deficiency disorder.
What this interaction means in plain words
Apalutamide and Ganaxolone 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; Ganaxolone belongs to Central Nervous System.
Why it happens
Apalutamide induces CYP3A4, which metabolizes ganaxolone.
What to do
Avoid coadministration; if unavoidable, monitor seizure frequency and consider increasing the ganaxolone dose without exceeding the weight-based maximum.
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 Ganaxolone
- Amobarbital + Ganaxolone Major
- Armodafinil + Ganaxolone Major
- Carbamazepine + Ganaxolone Major
- Enzalutamide + Ganaxolone Major
- Ganaxolone + Phenytoin Major
- Ganaxolone + Rifampicin Major
Frequently asked questions
Can I take Apalutamide with Ganaxolone?
MediHelp rates the interaction as major. Apalutamide and Ganaxolone 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 ganaxolone exposure, risking reduced seizure control in CDKL5 deficiency disorder.
How serious is the interaction between Apalutamide and Ganaxolone?
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; if unavoidable, monitor seizure frequency and consider increasing the ganaxolone dose without exceeding the weight-based maximum.
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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