Drug interactions
Brexucabtagene autoleucel + Cyclophosphamide
Severity: Moderate
Brexucabtagene autoleucel and Cyclophosphamide: 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
Cyclophosphamide is used as part of the lymphodepleting regimen before brexucabtagene autoleucel, so the pairing is intended in that setting. Extra or poorly timed cyclophosphamide adds to immunosuppression and infection risk and may affect CAR-T cell expansion.
What this interaction means in plain words
Brexucabtagene autoleucel and Cyclophosphamide 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.
Brexucabtagene autoleucel belongs to Oncology; Cyclophosphamide belongs to Oncology.
Why it happens
Additive immunosuppression and lymphodepletion that can affect CAR-T cell expansion and persistence.
What to do
Give cyclophosphamide only within the planned lymphodepletion schedule and avoid additional doses around infusion. Monitor for infection and cytopenias.
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 Cyclophosphamide
Other interactions of Brexucabtagene autoleucel
Frequently asked questions
Can I take Brexucabtagene autoleucel with Cyclophosphamide?
MediHelp rates the interaction as moderate. Brexucabtagene autoleucel and Cyclophosphamide 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. Cyclophosphamide is used as part of the lymphodepleting regimen before brexucabtagene autoleucel, so the pairing is intended in that setting. Extra or poorly timed cyclophosphamide adds to immunosuppression and infection risk and may affect CAR-T cell expansion.
How serious is the interaction between Brexucabtagene autoleucel and Cyclophosphamide?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Give cyclophosphamide only within the planned lymphodepletion schedule and avoid additional doses around infusion. Monitor for infection and cytopenias.
What other medicines interact with Cyclophosphamide?
MediHelp also lists interactions of Cyclophosphamide with, for example, Adenovirus types 4 and 7 live, Belatacept, Bendamustine. The full list is on the Cyclophosphamide page.
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