Drug interactions
Ceritinib + Vincristine
Severity: Major
Ceritinib and Vincristine: 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
Ceritinib inhibits CYP3A4, which is the main route of vincristine metabolism. Higher vincristine exposure can worsen neurotoxicity, including severe peripheral neuropathy, constipation, and ileus.
What this interaction means in plain words
Ceritinib and Vincristine 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.
Ceritinib belongs to Oncology; Vincristine belongs to Oncology.
Why it happens
Ceritinib inhibits CYP3A4-mediated metabolism of vincristine, raising its plasma concentrations.
What to do
Avoid the combination if an alternative exists. If it is unavoidable, monitor closely for neuropathy and constipation and reduce the vincristine dose when toxicity appears.
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 Vincristine
- Adenovirus types 4 and 7 live + Vincristine Contraindicated
- Apalutamide + Vincristine Major
- Atazanavir + Vincristine Major
- Chloramphenicol + Vincristine Major
- Clarithromycin + Vincristine Major
- Cobicistat + Vincristine Major
Other interactions of Ceritinib
- Ceritinib + Cisapride Contraindicated
- Ceritinib + Eletriptan Contraindicated
- Ceritinib + Flibanserin Contraindicated
- Ceritinib + Pimozide Contraindicated
- Ceritinib + Thioridazine Contraindicated
- Ceritinib + Tolvaptan Contraindicated
Frequently asked questions
Can I take Ceritinib with Vincristine?
MediHelp rates the interaction as major. Ceritinib and Vincristine 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. Ceritinib inhibits CYP3A4, which is the main route of vincristine metabolism. Higher vincristine exposure can worsen neurotoxicity, including severe peripheral neuropathy, constipation, and ileus.
How serious is the interaction between Ceritinib and Vincristine?
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 an alternative exists. If it is unavoidable, monitor closely for neuropathy and constipation and reduce the vincristine dose when toxicity appears.
What other medicines interact with Vincristine?
MediHelp also lists interactions of Vincristine with, for example, Adenovirus types 4 and 7 live, Apalutamide, Atazanavir. The full list is on the Vincristine page.
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