Skip to content

Drug interactions

Berotralstat + Irinotecan

Severity: Moderate

Berotralstat and Irinotecan: 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

Berotralstat inhibits P-glycoprotein and may raise irinotecan exposure. This could increase the risk of diarrhea and neutropenia.

What this interaction means in plain words

Berotralstat and Irinotecan 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.

Berotralstat belongs to Miscellaneous; Irinotecan belongs to Oncology.

Evidence level: Low

Why it happens

Berotralstat inhibits P-gp, reducing efflux of irinotecan and its metabolites.

What to do

Monitor for severe diarrhea and neutropenia, and reduce the irinotecan dose if toxicity develops.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Berotralstat and Irinotecan, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Berotralstat with Irinotecan?

MediHelp rates the interaction as moderate. Berotralstat and Irinotecan 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. Berotralstat inhibits P-glycoprotein and may raise irinotecan exposure. This could increase the risk of diarrhea and neutropenia.

How serious is the interaction between Berotralstat and Irinotecan?

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 severe diarrhea and neutropenia, and reduce the irinotecan dose if toxicity develops.

What other medicines interact with Irinotecan?

MediHelp also lists interactions of Irinotecan with, for example, Clozapine, Sacituzumab govitecan, Adenovirus types 4 and 7 live. The full list is on the Irinotecan page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in