Drug interactions
Encorafenib + Vincristine
Severity: Moderate
Encorafenib and Vincristine: 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
Encorafenib both inhibits and induces CYP3A4, so vincristine exposure could rise or fall unpredictably. This could cause either increased toxicity or reduced efficacy.
What this interaction means in plain words
Encorafenib and Vincristine 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.
Encorafenib belongs to Oncology; Vincristine belongs to Oncology.
Why it happens
Mixed CYP3A4 inhibition and induction by encorafenib alters vincristine metabolism.
What to do
Monitor for vincristine neurotoxicity and for loss of therapeutic response. Adjust the vincristine dose according to tolerance.
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?
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Other interactions of Vincristine
- Adenovirus types 4 and 7 live + Vincristine Contraindicated
- Apalutamide + Vincristine Major
- Atazanavir + Vincristine Major
- Ceritinib + Vincristine Major
- Chloramphenicol + Vincristine Major
- Clarithromycin + Vincristine Major
Other interactions of Encorafenib
Frequently asked questions
Can I take Encorafenib with Vincristine?
MediHelp rates the interaction as moderate. Encorafenib and Vincristine 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. Encorafenib both inhibits and induces CYP3A4, so vincristine exposure could rise or fall unpredictably. This could cause either increased toxicity or reduced efficacy.
How serious is the interaction between Encorafenib and Vincristine?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for vincristine neurotoxicity and for loss of therapeutic response. Adjust the vincristine dose according to tolerance.
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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