Drug interactions
Leuprolide + Panobinostat
Severity: Major
Leuprolide and Panobinostat: major 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
Panobinostat markedly prolongs the QT interval and its labeling advises against combining it with other QT-prolonging drugs. Leuprolide adds a further, smaller QT-lengthening effect, increasing the risk of ventricular arrhythmia including torsades de pointes.
What this interaction means in plain words
Leuprolide and Panobinostat can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Leuprolide belongs to Endocrine; Panobinostat belongs to Oncology.
Why it happens
Additive pharmacodynamic QT prolongation: panobinostat directly affects cardiac repolarization and androgen deprivation from leuprolide can lengthen QTc.
What to do
Avoid the combination where possible. If it is essential, perform ECG monitoring before and during treatment and keep potassium and magnesium within normal range.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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Other interactions of Leuprolide
- Leuprolide + Pimozide Contraindicated
- Leuprolide + Thioridazine Contraindicated
- Amisulpride + Leuprolide Major
- Arsenic trioxide + Leuprolide Major
- Artemether / lumefantrine + Leuprolide Major
- Disopyramide + Leuprolide Major
Other interactions of Panobinostat
- Amiodarone + Panobinostat Contraindicated
- Anagrelide + Panobinostat Contraindicated
- Chloroquine + Panobinostat Contraindicated
- Chlorpromazine + Panobinostat Contraindicated
- Dronedarone + Panobinostat Contraindicated
- Haloperidol + Panobinostat Contraindicated
Frequently asked questions
Can I take Leuprolide with Panobinostat?
MediHelp rates the interaction as major. Leuprolide and Panobinostat can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Panobinostat markedly prolongs the QT interval and its labeling advises against combining it with other QT-prolonging drugs. Leuprolide adds a further, smaller QT-lengthening effect, increasing the risk of ventricular arrhythmia including torsades de pointes.
How serious is the interaction between Leuprolide and Panobinostat?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid the combination where possible. If it is essential, perform ECG monitoring before and during treatment and keep potassium and magnesium within normal range.
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.
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