Drug interactions
Crizotinib + Nirogacestat
Severity: Major
Crizotinib and Nirogacestat: 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
Nirogacestat is a CYP3A4 substrate, so crizotinib can increase its exposure. This may increase diarrhea, hepatotoxicity and other dose-related effects.
What this interaction means in plain words
Crizotinib and Nirogacestat 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.
Crizotinib belongs to Oncology; Nirogacestat belongs to Oncology.
Why it happens
Crizotinib inhibits CYP3A4 metabolism of nirogacestat.
What to do
Avoid the combination if possible. If necessary, monitor liver tests and gastrointestinal toxicity and consider a nirogacestat dose reduction.
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 Crizotinib
- Crizotinib + Flibanserin Contraindicated
- Crizotinib + Lomitapide Contraindicated
- Crizotinib + Lonafarnib Contraindicated
- Crizotinib + Pimozide Contraindicated
- Crizotinib + Saquinavir Contraindicated
- Crizotinib + Thioridazine Contraindicated
Other interactions of Nirogacestat
Frequently asked questions
Can I take Crizotinib with Nirogacestat?
MediHelp rates the interaction as major. Crizotinib and Nirogacestat 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. Nirogacestat is a CYP3A4 substrate, so crizotinib can increase its exposure. This may increase diarrhea, hepatotoxicity and other dose-related effects.
How serious is the interaction between Crizotinib and Nirogacestat?
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 if possible. If necessary, monitor liver tests and gastrointestinal toxicity and consider a nirogacestat dose reduction.
What other medicines interact with Crizotinib?
MediHelp also lists interactions of Crizotinib with, for example, Flibanserin, Lomitapide, Lonafarnib. The full list is on the Crizotinib page.
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