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Drug interactions

Gemcitabine + Lisocabtagene maraleucel

Severity: Major

Gemcitabine and Lisocabtagene maraleucel: 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

Gemcitabine is myelosuppressive, while lisocabtagene maraleucel is associated with prolonged cytopenias and immune deficiency. Combined exposure increases infection risk and may impair CAR-T cell collection or expansion.

What this interaction means in plain words

Gemcitabine and Lisocabtagene maraleucel 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.

Gemcitabine belongs to Oncology; Lisocabtagene maraleucel belongs to Oncology.

Evidence level: Low

Why it happens

Additive immunosuppression and myelosuppression; cytotoxic therapy may reduce CAR-T cell fitness and expansion.

What to do

Avoid chemotherapy except planned lymphodepletion around CAR-T infusion and observe the recommended washout before leukapheresis. Monitor blood counts and infections if chemotherapy is needed afterwards.

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 Gemcitabine with Lisocabtagene maraleucel?

MediHelp rates the interaction as major. Gemcitabine and Lisocabtagene maraleucel 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. Gemcitabine is myelosuppressive, while lisocabtagene maraleucel is associated with prolonged cytopenias and immune deficiency. Combined exposure increases infection risk and may impair CAR-T cell collection or expansion.

How serious is the interaction between Gemcitabine and Lisocabtagene maraleucel?

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 chemotherapy except planned lymphodepletion around CAR-T infusion and observe the recommended washout before leukapheresis. Monitor blood counts and infections if chemotherapy is needed afterwards.

What other medicines interact with Gemcitabine?

MediHelp also lists interactions of Gemcitabine with, for example, Adenovirus types 4 and 7 live, Axicabtagene ciloleucel, Belatacept. The full list is on the Gemcitabine page.

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