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Drug interactions

Axicabtagene ciloleucel + Tacrolimus

Severity: Major

Axicabtagene ciloleucel and Tacrolimus: 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

Immunosuppressants such as tacrolimus may impair CAR-T cell expansion and efficacy. They are generally avoided except when needed to treat severe toxicities, and add infection risk.

What this interaction means in plain words

Axicabtagene ciloleucel and Tacrolimus 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.

Axicabtagene ciloleucel belongs to Oncology; Tacrolimus belongs to Miscellaneous.

Evidence level: Low

Why it happens

Calcineurin inhibition suppresses T-cell activation and proliferation, including CAR-T cells.

What to do

Avoid tacrolimus around CAR-T infusion unless clinically essential; monitor for infection and response.

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 Axicabtagene ciloleucel with Tacrolimus?

MediHelp rates the interaction as major. Axicabtagene ciloleucel and Tacrolimus 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. Immunosuppressants such as tacrolimus may impair CAR-T cell expansion and efficacy. They are generally avoided except when needed to treat severe toxicities, and add infection risk.

How serious is the interaction between Axicabtagene ciloleucel and Tacrolimus?

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 tacrolimus around CAR-T infusion unless clinically essential; monitor for infection and response.

What other medicines interact with Tacrolimus?

MediHelp also lists interactions of Tacrolimus with, for example, Adenovirus types 4 and 7 live, Bcg vaccine live, Cidofovir. The full list is on the Tacrolimus page.

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