Drug interactions
Ciltacabtagene autoleucel + Fludarabine
Severity: Moderate
Ciltacabtagene autoleucel and Fludarabine: 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
Fludarabine is given with cyclophosphamide as lymphodepletion before ciltacabtagene autoleucel, so the planned sequence is intended. Further fludarabine outside the schedule adds to prolonged cytopenias and infection risk.
What this interaction means in plain words
Ciltacabtagene autoleucel and Fludarabine 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.
Ciltacabtagene autoleucel belongs to Miscellaneous; Fludarabine belongs to Oncology.
Why it happens
Fludarabine depletes lymphocytes, which supports CAR-T engraftment, but it adds to cytopenias and immunosuppression.
What to do
Give fludarabine only in the labeled conditioning schedule and avoid extra doses afterward. Monitor blood counts and give anti-infective prophylaxis.
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 Fludarabine
- Adenovirus types 4 and 7 live + Fludarabine Contraindicated
- Fludarabine + Pentostatin Contraindicated
- Belatacept + Fludarabine Major
- Dengue vaccine + Fludarabine Major
- Etrasimod + Fludarabine Major
- Fingolimod + Fludarabine Major
Other interactions of Ciltacabtagene autoleucel
Frequently asked questions
Can I take Ciltacabtagene autoleucel with Fludarabine?
MediHelp rates the interaction as moderate. Ciltacabtagene autoleucel and Fludarabine 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. Fludarabine is given with cyclophosphamide as lymphodepletion before ciltacabtagene autoleucel, so the planned sequence is intended. Further fludarabine outside the schedule adds to prolonged cytopenias and infection risk.
How serious is the interaction between Ciltacabtagene autoleucel and Fludarabine?
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 fludarabine only in the labeled conditioning schedule and avoid extra doses afterward. Monitor blood counts and give anti-infective prophylaxis.
What other medicines interact with Fludarabine?
MediHelp also lists interactions of Fludarabine with, for example, Adenovirus types 4 and 7 live, Pentostatin, Belatacept. The full list is on the Fludarabine page.
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