Drug interactions
Oxaliplatin + Ponesimod
Severity: Moderate
Oxaliplatin and Ponesimod: 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
Ponesimod causes transient heart rate reduction and AV conduction effects after initiation. Oxaliplatin may prolong the QT interval, and bradycardia can increase the risk of torsades, so concurrent use may raise arrhythmia risk. Ponesimod also reduces lymphocyte counts, which may add to the immunosuppression of chemotherapy.
What this interaction means in plain words
Oxaliplatin and Ponesimod 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.
Oxaliplatin belongs to Oncology; Ponesimod belongs to Central Nervous System.
Why it happens
Additive cardiac effects (bradycardia from ponesimod with QT prolongation from oxaliplatin) and additive immunosuppression.
What to do
Obtain an ECG before starting ponesimod and monitor heart rate during initiation. Monitor blood counts and infection signs during co-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?
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Other interactions of Oxaliplatin
- Adenovirus types 4 and 7 live + Oxaliplatin Contraindicated
- Bcg vaccine live + Oxaliplatin Contraindicated
- Influenza virus vaccine quadrivalent intranasal + Oxaliplatin Contraindicated
- Measles mumps and rubella vaccine live + Oxaliplatin Contraindicated
- Measles mumps and rubella vaccine + Oxaliplatin Contraindicated
- Measles mumps rubella and varicella vaccine live + Oxaliplatin Contraindicated
Other interactions of Ponesimod
- Fingolimod + Ponesimod Contraindicated
- Ponesimod + Siponimod Contraindicated
- Amiodarone + Ponesimod Major
- Amisulpride + Ponesimod Major
- Anagrelide + Ponesimod Major
- Anti-thymocyte + Ponesimod Major
Frequently asked questions
Can I take Oxaliplatin with Ponesimod?
MediHelp rates the interaction as moderate. Oxaliplatin and Ponesimod 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. Ponesimod causes transient heart rate reduction and AV conduction effects after initiation. Oxaliplatin may prolong the QT interval, and bradycardia can increase the risk of torsades, so concurrent use may raise arrhythmia risk. Ponesimod also reduces lymphocyte counts, which may add to the immunosuppression of chemotherapy.
How serious is the interaction between Oxaliplatin and Ponesimod?
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 an ECG before starting ponesimod and monitor heart rate during initiation. Monitor blood counts and infection signs during co-treatment.
What other medicines interact with Oxaliplatin?
MediHelp also lists interactions of Oxaliplatin with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Influenza virus vaccine quadrivalent intranasal. The full list is on the Oxaliplatin page.
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