Skip to content

Drug interactions

Bosentan + Capivasertib

Severity: Moderate

Bosentan and Capivasertib: 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

Moderate CYP3A inducers such as bosentan lower capivasertib exposure. This may reduce its effectiveness in breast cancer treatment.

What this interaction means in plain words

Bosentan and Capivasertib 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.

Bosentan belongs to Miscellaneous; Capivasertib belongs to Oncology.

Evidence level: Moderate

Why it happens

CYP3A4 induction by bosentan accelerates capivasertib metabolism.

What to do

Avoid concurrent use where an alternative to bosentan exists. If it cannot be avoided, monitor for reduced disease control.

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 Bosentan and Capivasertib, 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 Bosentan with Capivasertib?

MediHelp rates the interaction as moderate. Bosentan and Capivasertib 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. Moderate CYP3A inducers such as bosentan lower capivasertib exposure. This may reduce its effectiveness in breast cancer treatment.

How serious is the interaction between Bosentan and Capivasertib?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid concurrent use where an alternative to bosentan exists. If it cannot be avoided, monitor for reduced disease control.

What other medicines interact with Bosentan?

MediHelp also lists interactions of Bosentan with, for example, Cyclosporin, Glibenclamide, Glyburide-metformin. The full list is on the Bosentan 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