Skip to content

Drug interactions

Leuprolide + Sunitinib

Severity: Moderate

Leuprolide and Sunitinib: 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

Sunitinib is labeled for QT prolongation and torsades de pointes, and androgen deprivation with leuprolide may add to the effect. The risk is greater in patients with heart disease or low electrolytes.

What this interaction means in plain words

Leuprolide and Sunitinib 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.

Leuprolide belongs to Endocrine; Sunitinib belongs to Oncology.

Evidence level: Low

Why it happens

Additive QT prolongation from sunitinib and leuprolide-induced androgen deprivation.

What to do

Obtain a baseline ECG and monitor it during therapy, and correct potassium and magnesium. Reduce the sunitinib dose or interrupt it if QTc becomes markedly prolonged.

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 Leuprolide and Sunitinib, 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 14 days on the web. No card needed.

Frequently asked questions

Can I take Leuprolide with Sunitinib?

MediHelp rates the interaction as moderate. Leuprolide and Sunitinib 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. Sunitinib is labeled for QT prolongation and torsades de pointes, and androgen deprivation with leuprolide may add to the effect. The risk is greater in patients with heart disease or low electrolytes.

How serious is the interaction between Leuprolide and Sunitinib?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Obtain a baseline ECG and monitor it during therapy, and correct potassium and magnesium. Reduce the sunitinib dose or interrupt it if QTc becomes markedly prolonged.

What other medicines interact with Leuprolide?

MediHelp also lists interactions of Leuprolide with, for example, Pimozide, Thioridazine, Amisulpride. The full list is on the Leuprolide 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