Drug interactions
Etrasimod + Palbociclib
Severity: Moderate
Etrasimod and Palbociclib: 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
Both agents may affect immune function; palbociclib causes neutropenia and etrasimod reduces circulating lymphocytes. Combined use could raise infection risk, and it has not been formally studied.
What this interaction means in plain words
Etrasimod and Palbociclib 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.
Etrasimod belongs to Gastrointestinal Tract; Palbociclib belongs to Oncology.
Why it happens
Additive immunosuppression from myelosuppression with palbociclib and lymphocyte sequestration with etrasimod.
What to do
Monitor complete blood counts and for signs of infection. Consider whether alternatives are appropriate given the patient's infection risk.
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 Palbociclib
Other interactions of Etrasimod
- Abatacept + Etrasimod Major
- Amiodarone + Etrasimod Major
- Anagrelide + Etrasimod Major
- Anakinra + Etrasimod Major
- Anti-thymocyte + Etrasimod Major
- Asenapine + Etrasimod Major
Frequently asked questions
Can I take Etrasimod with Palbociclib?
MediHelp rates the interaction as moderate. Etrasimod and Palbociclib 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. Both agents may affect immune function; palbociclib causes neutropenia and etrasimod reduces circulating lymphocytes. Combined use could raise infection risk, and it has not been formally studied.
How serious is the interaction between Etrasimod and Palbociclib?
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 and for signs of infection. Consider whether alternatives are appropriate given the patient's infection risk.
What other medicines interact with Palbociclib?
MediHelp also lists interactions of Palbociclib with, for example, Apalutamide, Atazanavir, Carbamazepine. The full list is on the Palbociclib page.
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