Drug interactions
Pasireotide + Siponimod
Severity: Major
Pasireotide and Siponimod: 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
Pasireotide can cause bradycardia and QT prolongation, and siponimod slows heart rate at initiation. The combination may increase the risk of arrhythmia.
What this interaction means in plain words
Pasireotide and Siponimod 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.
Pasireotide belongs to Endocrine; Siponimod belongs to Central Nervous System.
Why it happens
Additive bradycardic and QT-prolonging effects.
What to do
Obtain a baseline ECG and monitor heart rate and ECG, and keep potassium and magnesium normal. Consider alternatives or cardiology review before starting siponimod.
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 Siponimod
- Cladribine + Siponimod Contraindicated
- Fingolimod + Siponimod Contraindicated
- Fluconazole + Siponimod Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Siponimod Contraindicated
- Ponesimod + Siponimod Contraindicated
- Siponimod + Thioridazine Contraindicated
Other interactions of Pasireotide
- Dronedarone + Pasireotide Contraindicated
- Pasireotide + Pimozide Contraindicated
- Amiodarone + Pasireotide Major
- Amisulpride + Pasireotide Major
- Amitriptyline + Pasireotide Major
- Anagrelide + Pasireotide Major
Frequently asked questions
Can I take Pasireotide with Siponimod?
MediHelp rates the interaction as major. Pasireotide and Siponimod 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. Pasireotide can cause bradycardia and QT prolongation, and siponimod slows heart rate at initiation. The combination may increase the risk of arrhythmia.
How serious is the interaction between Pasireotide and Siponimod?
MediHelp rates it major, 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 heart rate and ECG, and keep potassium and magnesium normal. Consider alternatives or cardiology review before starting siponimod.
What other medicines interact with Siponimod?
MediHelp also lists interactions of Siponimod with, for example, Cladribine, Fingolimod, Fluconazole. The full list is on the Siponimod page.
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