Drug interactions
Chloramphenicol + Nirogacestat
Severity: Major
Chloramphenicol 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 metabolized mainly by CYP3A4, so inhibitors increase its exposure. This may worsen diarrhea, hypophosphatemia, hepatotoxicity and other adverse effects.
What this interaction means in plain words
Chloramphenicol 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.
Chloramphenicol belongs to Anti Bacterial; Nirogacestat belongs to Oncology.
Why it happens
Chloramphenicol inhibits CYP3A4, reducing nirogacestat clearance.
What to do
Avoid the combination and choose another antibiotic. If unavoidable, monitor for toxicity and liver tests and adjust the nirogacestat dose per labeling.
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 Chloramphenicol
Other interactions of Nirogacestat
Frequently asked questions
Can I take Chloramphenicol with Nirogacestat?
MediHelp rates the interaction as major. Chloramphenicol 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 metabolized mainly by CYP3A4, so inhibitors increase its exposure. This may worsen diarrhea, hypophosphatemia, hepatotoxicity and other adverse effects.
How serious is the interaction between Chloramphenicol 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 and choose another antibiotic. If unavoidable, monitor for toxicity and liver tests and adjust the nirogacestat dose per labeling.
What other medicines interact with Chloramphenicol?
MediHelp also lists interactions of Chloramphenicol with, for example, Adagrasib, Avapritinib, Bcg vaccine live. The full list is on the Chloramphenicol page.
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