Drug interactions
Lenalidomide + Siponimod
Severity: Moderate
Lenalidomide 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
Lenalidomide commonly causes neutropenia and is immunomodulatory, and siponimod lowers circulating lymphocytes. The combination may raise the risk of serious infections.
What this interaction means in plain words
Lenalidomide 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.
Lenalidomide belongs to Oncology; Siponimod belongs to Central Nervous System.
Why it happens
Additive pharmacodynamic effects: myelosuppression and immune modulation plus S1P receptor-mediated lymphocyte sequestration.
What to do
Monitor complete blood counts regularly and watch for infection. Reassess siponimod if lymphocyte or neutrophil counts fall significantly.
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 Lenalidomide
- Deferiprone + Lenalidomide Major
- Lenalidomide + Ropeginterferon alfa 2b Major
- Acalabrutinib + Lenalidomide Moderate
- Anakinra + Lenalidomide Moderate
- Cholera vaccine + Lenalidomide Moderate
- Denosumab + Lenalidomide Moderate
Frequently asked questions
Can I take Lenalidomide with Siponimod?
MediHelp rates the interaction as moderate. Lenalidomide 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. Lenalidomide commonly causes neutropenia and is immunomodulatory, and siponimod lowers circulating lymphocytes. The combination may raise the risk of serious infections.
How serious is the interaction between Lenalidomide 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 complete blood counts regularly and watch for infection. Reassess siponimod if lymphocyte or neutrophil counts fall significantly.
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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