Drug interactions
Bendamustine + Istradefylline
Severity: Minor
Bendamustine 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 can increase exposure to P-gp substrates at higher doses. Bendamustine is not a clearly sensitive P-gp substrate, so any clinically relevant rise in exposure is speculative.
What this interaction means in plain words
Bendamustine 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.
Bendamustine belongs to Oncology; Istradefylline belongs to Central Nervous System.
Why it happens
Possible weak P-gp inhibition by istradefylline may modestly increase bendamustine absorption or reduce efflux.
What to do
No empirical dose change is needed; continue routine blood count monitoring during bendamustine therapy.
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 Bendamustine
Other interactions of Istradefylline
Frequently asked questions
Can I take Bendamustine with Istradefylline?
MediHelp rates the interaction as minor. Bendamustine 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 can increase exposure to P-gp substrates at higher doses. Bendamustine is not a clearly sensitive P-gp substrate, so any clinically relevant rise in exposure is speculative.
How serious is the interaction between Bendamustine 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 empirical dose change is needed; continue routine blood count monitoring during bendamustine therapy.
What other medicines interact with Bendamustine?
MediHelp also lists interactions of Bendamustine with, for example, Axicabtagene ciloleucel, Brexucabtagene autoleucel, Chlorambucil. The full list is on the Bendamustine page.
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