Drug interactions
Liposomal doxorubicin + Siponimod
Severity: Major
Liposomal doxorubicin and Siponimod: major interaction.
Last updated Sources: US FDA label
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 suppress immune function, and combining them can raise the risk of serious infection. Siponimod lowers circulating lymphocytes, adding to chemotherapy-induced myelosuppression, and the effect persists for some time after stopping.
What this interaction means in plain words
Liposomal doxorubicin 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.
Liposomal doxorubicin belongs to Oncology; Siponimod belongs to Central Nervous System.
Why it happens
Additive immunosuppression: siponimod sequesters lymphocytes in lymphoid tissue while doxorubicin causes myelosuppression.
What to do
Avoid combining where possible; if unavoidable, monitor blood counts and infection signs closely and consider holding siponimod during chemotherapy.
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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References
Other interactions of Liposomal doxorubicin
- Dengue vaccine + Liposomal doxorubicin Contraindicated
- Belatacept + Liposomal doxorubicin Major
- Cyclosporine + Liposomal doxorubicin Major
- Dronedarone + Liposomal doxorubicin Major
- Elvitegravir / cobicistat / emtricitabine / tenofovir df + Liposomal doxorubicin Major
- Fingolimod + Liposomal doxorubicin Major
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 Liposomal doxorubicin with Siponimod?
MediHelp rates the interaction as major. Liposomal doxorubicin 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. Both agents suppress immune function, and combining them can raise the risk of serious infection. Siponimod lowers circulating lymphocytes, adding to chemotherapy-induced myelosuppression, and the effect persists for some time after stopping.
How serious is the interaction between Liposomal doxorubicin 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: Avoid combining where possible; if unavoidable, monitor blood counts and infection signs closely and consider holding siponimod during chemotherapy.
What other medicines interact with Liposomal doxorubicin?
MediHelp also lists interactions of Liposomal doxorubicin with, for example, Dengue vaccine, Belatacept, Cyclosporine. The full list is on the Liposomal doxorubicin page.
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