Drug interactions
Ganaxolone + Lorlatinib
Severity: Moderate
Ganaxolone and Lorlatinib: 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
Lorlatinib induces CYP3A and may lower ganaxolone levels, potentially reducing seizure control. Ganaxolone labeling advises avoiding CYP3A inducers.
What this interaction means in plain words
Ganaxolone and Lorlatinib 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.
Ganaxolone belongs to Central Nervous System; Lorlatinib belongs to Oncology.
Why it happens
Lorlatinib induces CYP3A4, increasing ganaxolone metabolism.
What to do
Avoid if possible. If combined, monitor seizure frequency and consider ganaxolone dose increase within the maximum daily dose.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Ganaxolone and Lorlatinib, the additional notes, the evidence detail and the whole-prescription interaction checker.
- Full clinical management advice
- Additional notes
- Evidence detail
- Interaction checker for a whole prescription
Try Pro+ free for 14 days on the web. No card needed.
Other interactions of Lorlatinib
- Amobarbital + Lorlatinib Contraindicated
- Apalutamide + Lorlatinib Contraindicated
- Butabarbital + Lorlatinib Contraindicated
- Carbamazepine + Lorlatinib Contraindicated
- Enzalutamide + Lorlatinib Contraindicated
- Fosphenytoin + Lorlatinib Contraindicated
Other interactions of Ganaxolone
Frequently asked questions
Can I take Ganaxolone with Lorlatinib?
MediHelp rates the interaction as moderate. Ganaxolone and Lorlatinib 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. Lorlatinib induces CYP3A and may lower ganaxolone levels, potentially reducing seizure control. Ganaxolone labeling advises avoiding CYP3A inducers.
How serious is the interaction between Ganaxolone and Lorlatinib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid if possible. If combined, monitor seizure frequency and consider ganaxolone dose increase within the maximum daily dose.
What other medicines interact with Lorlatinib?
MediHelp also lists interactions of Lorlatinib with, for example, Amobarbital, Apalutamide, Butabarbital. The full list is on the Lorlatinib page.
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.
