Drug interactions
Cabazitaxel + Fosaprepitant
Severity: Minor
Cabazitaxel and Fosaprepitant: minor 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
Aprepitant, the active form of fosaprepitant, is a moderate CYP3A4 inhibitor and could modestly raise cabazitaxel exposure. Short antiemetic courses limit the clinical effect, and it is commonly used with cabazitaxel.
What this interaction means in plain words
Cabazitaxel and Fosaprepitant have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Cabazitaxel belongs to Oncology; Fosaprepitant belongs to Gastrointestinal Tract.
Why it happens
Transient inhibition of CYP3A4 reduces cabazitaxel metabolism.
What to do
No dose change is routinely needed; monitor neutrophil counts as per standard cabazitaxel care.
What to ask your pharmacist
- Is there anything I should notice while taking both?
- Do I need to tell my doctor at the next visit?
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Other interactions of Cabazitaxel
Other interactions of Fosaprepitant
- Flibanserin + Fosaprepitant Contraindicated
- Fosaprepitant + Pimozide Contraindicated
- Alprazolam + Fosaprepitant Moderate
- Amiodarone + Fosaprepitant Moderate
- Amobarbital + Fosaprepitant Moderate
- Apalutamide + Fosaprepitant Moderate
Frequently asked questions
Can I take Cabazitaxel with Fosaprepitant?
MediHelp rates the interaction as minor. Cabazitaxel and Fosaprepitant have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Aprepitant, the active form of fosaprepitant, is a moderate CYP3A4 inhibitor and could modestly raise cabazitaxel exposure. Short antiemetic courses limit the clinical effect, and it is commonly used with cabazitaxel.
How serious is the interaction between Cabazitaxel and Fosaprepitant?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No dose change is routinely needed; monitor neutrophil counts as per standard cabazitaxel care.
What other medicines interact with Cabazitaxel?
MediHelp also lists interactions of Cabazitaxel with, for example, Adenovirus types 4 and 7 live, Atazanavir, Bcg intravesical live. The full list is on the Cabazitaxel page.
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