Drug interactions
Chlorambucil + Lisocabtagene maraleucel
Severity: Major
Chlorambucil 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
Chlorambucil is lymphodepleting and myelosuppressive and may impair the expansion and persistence of CAR T cells. It also adds to infection risk in patients who are already immunocompromised after CAR T therapy.
What this interaction means in plain words
Chlorambucil 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.
Chlorambucil belongs to Oncology; Lisocabtagene maraleucel belongs to Oncology.
Why it happens
Cytotoxic lymphodepletion may reduce CAR T-cell expansion and adds to additive immunosuppression.
What to do
Stop chlorambucil well before leukapheresis and do not restart it around CAR T infusion unless specifically directed by the treating team. Monitor for infections and cytopenias.
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?
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Other interactions of Chlorambucil
Other interactions of Lisocabtagene maraleucel
Frequently asked questions
Can I take Chlorambucil with Lisocabtagene maraleucel?
MediHelp rates the interaction as major. Chlorambucil 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. Chlorambucil is lymphodepleting and myelosuppressive and may impair the expansion and persistence of CAR T cells. It also adds to infection risk in patients who are already immunocompromised after CAR T therapy.
How serious is the interaction between Chlorambucil 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: Stop chlorambucil well before leukapheresis and do not restart it around CAR T infusion unless specifically directed by the treating team. Monitor for infections and cytopenias.
What other medicines interact with Chlorambucil?
MediHelp also lists interactions of Chlorambucil with, for example, Adenovirus types 4 and 7 live, Axicabtagene ciloleucel, Belatacept. The full list is on the Chlorambucil page.
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