Drug interactions
Panobinostat + Ribociclib
Severity: Major
Panobinostat and Ribociclib: 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
Both agents prolong the QT interval, so combined use can increase the risk of serious ventricular arrhythmias. Panobinostat labeling advises against use with QT-prolonging drugs.
What this interaction means in plain words
Panobinostat and Ribociclib 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 belongs to Oncology; Ribociclib belongs to Oncology.
Why it happens
Additive pharmacodynamic prolongation of cardiac repolarization.
What to do
Avoid the combination; if no alternative exists, monitor ECG and electrolytes closely and interrupt therapy for significant QTc prolongation.
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 Ribociclib
- Amiodarone + Ribociclib Contraindicated
- Cisapride + Ribociclib Contraindicated
- Dofetilide + Ribociclib Contraindicated
- Dronedarone + Ribociclib Contraindicated
- Flibanserin + Ribociclib Contraindicated
- Ibutilide + Ribociclib Contraindicated
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 Panobinostat with Ribociclib?
MediHelp rates the interaction as major. Panobinostat and Ribociclib 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. Both agents prolong the QT interval, so combined use can increase the risk of serious ventricular arrhythmias. Panobinostat labeling advises against use with QT-prolonging drugs.
How serious is the interaction between Panobinostat and Ribociclib?
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; if no alternative exists, monitor ECG and electrolytes closely and interrupt therapy for significant QTc prolongation.
What other medicines interact with Ribociclib?
MediHelp also lists interactions of Ribociclib with, for example, Amiodarone, Cisapride, Dofetilide. The full list is on the Ribociclib page.
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