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Drug interactions

Bortezomib + Etrasimod

Severity: Major

Bortezomib and Etrasimod: major 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

Etrasimod lowers circulating lymphocytes, and bortezomib is an antineoplastic with immunosuppressive effects. Together they may increase the risk of serious infection. The combination has not been formally studied.

What this interaction means in plain words

Bortezomib and Etrasimod 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.

Bortezomib belongs to Oncology; Etrasimod belongs to Gastrointestinal Tract.

Evidence level: Low

Why it happens

Additive immunosuppression from S1P receptor modulation (lymphocyte sequestration) plus proteasome inhibitor effects.

What to do

Avoid concurrent use where possible. If it is necessary, monitor closely for infection and check lymphocyte counts.

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?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Bortezomib with Etrasimod?

MediHelp rates the interaction as major. Bortezomib and Etrasimod 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. Etrasimod lowers circulating lymphocytes, and bortezomib is an antineoplastic with immunosuppressive effects. Together they may increase the risk of serious infection. The combination has not been formally studied.

How serious is the interaction between Bortezomib and Etrasimod?

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 concurrent use where possible. If it is necessary, monitor closely for infection and check lymphocyte counts.

What other medicines interact with Bortezomib?

MediHelp also lists interactions of Bortezomib with, for example, Apalutamide, Carbamazepine, Fosphenytoin. The full list is on the Bortezomib page.

Full monographs, dosing and an interaction checker in the MediHelp app

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