Drug interactions
Goserelin + Siponimod
Severity: Moderate
Goserelin and Siponimod: 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
Androgen deprivation with goserelin can prolong the QT interval. Siponimod's bradycardic effects may add to the arrhythmic risk.
What this interaction means in plain words
Goserelin and Siponimod 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.
Goserelin belongs to Endocrine; Siponimod belongs to Central Nervous System.
Why it happens
Additive QT prolongation, with siponimod also slowing heart rate.
What to do
Obtain a baseline ECG and correct electrolyte abnormalities. Monitor the QTc and heart rate, especially in patients with other risk factors.
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?
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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 Goserelin
Frequently asked questions
Can I take Goserelin with Siponimod?
MediHelp rates the interaction as moderate. Goserelin and Siponimod 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. Androgen deprivation with goserelin can prolong the QT interval. Siponimod's bradycardic effects may add to the arrhythmic risk.
How serious is the interaction between Goserelin and Siponimod?
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 correct electrolyte abnormalities. Monitor the QTc and heart rate, especially in patients with other risk factors.
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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