Drug interactions
Carfilzomib + Istradefylline
Severity: Minor
Carfilzomib and Istradefylline: 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
Istradefylline at higher doses can inhibit P-glycoprotein and raise concentrations of P-gp substrates. Carfilzomib relies little on P-gp for clearance, so a meaningful effect is unlikely.
What this interaction means in plain words
Carfilzomib and Istradefylline have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Carfilzomib belongs to Oncology; Istradefylline belongs to Central Nervous System.
Why it happens
Istradefylline inhibits P-gp efflux, which may slightly increase carfilzomib exposure.
What to do
No routine adjustment is needed; monitor for carfilzomib adverse effects during coadministration.
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 Carfilzomib
- Carfilzomib + Etrasimod Major
- Carfilzomib + Ropeginterferon alfa 2b Major
- Carfilzomib + Dichlorphenamide Moderate
- Carfilzomib + Palifermin Moderate
- Carfilzomib + Ponesimod Moderate
- Carfilzomib + Siponimod Moderate
Other interactions of Istradefylline
Frequently asked questions
Can I take Carfilzomib with Istradefylline?
MediHelp rates the interaction as minor. Carfilzomib and Istradefylline have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Istradefylline at higher doses can inhibit P-glycoprotein and raise concentrations of P-gp substrates. Carfilzomib relies little on P-gp for clearance, so a meaningful effect is unlikely.
How serious is the interaction between Carfilzomib and Istradefylline?
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 routine adjustment is needed; monitor for carfilzomib adverse effects during coadministration.
What other medicines interact with Carfilzomib?
MediHelp also lists interactions of Carfilzomib with, for example, Etrasimod, Ropeginterferon alfa 2b, Dichlorphenamide. The full list is on the Carfilzomib page.
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