Drug interactions
Mogamulizumab + Siponimod
Severity: Moderate
Mogamulizumab 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
Mogamulizumab depletes CCR4-positive T cells, including regulatory T cells, and is associated with infections and immune effects. Together with siponimod, the infection risk may rise.
What this interaction means in plain words
Mogamulizumab 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.
Mogamulizumab belongs to Oncology; Siponimod belongs to Central Nervous System.
Why it happens
Additive immunosuppression via CCR4-positive T-cell depletion and S1P-receptor-mediated lymphocyte sequestration.
What to do
Monitor for infection and lymphocyte counts. Reassess the need for siponimod during active mogamulizumab treatment.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Mogamulizumab and Siponimod, 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 7 days on the web. No card needed.
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
Frequently asked questions
Can I take Mogamulizumab with Siponimod?
MediHelp rates the interaction as moderate. Mogamulizumab 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. Mogamulizumab depletes CCR4-positive T cells, including regulatory T cells, and is associated with infections and immune effects. Together with siponimod, the infection risk may rise.
How serious is the interaction between Mogamulizumab 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: Monitor for infection and lymphocyte counts. Reassess the need for siponimod during active mogamulizumab treatment.
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.
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.
