Drug interactions
Deferiprone + Trastuzumab deruxtecan
Severity: Major
Deferiprone and Trastuzumab deruxtecan: 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
Deferiprone can cause neutropenia and agranulocytosis, and trastuzumab deruxtecan is also associated with neutropenia. Used together, the risk of severe myelosuppression and serious infection is higher.
What this interaction means in plain words
Deferiprone and Trastuzumab deruxtecan 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.
Deferiprone belongs to Miscellaneous; Trastuzumab deruxtecan belongs to Oncology.
Why it happens
Additive pharmacodynamic myelosuppression affecting neutrophil counts.
What to do
Avoid the combination where an alternative exists. If both are needed, check absolute neutrophil count more often than usual and interrupt deferiprone if neutropenia develops.
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 Deferiprone
- Clozapine + Deferiprone Contraindicated
- Abemaciclib + Deferiprone Major
- Acalabrutinib + Deferiprone Major
- Ado-trastuzumab emtansine + Deferiprone Major
- Ado-trastuzumab + Deferiprone Major
- Aldesleukin + Deferiprone Major
Other interactions of Trastuzumab deruxtecan
Frequently asked questions
Can I take Deferiprone with Trastuzumab deruxtecan?
MediHelp rates the interaction as major. Deferiprone and Trastuzumab deruxtecan 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. Deferiprone can cause neutropenia and agranulocytosis, and trastuzumab deruxtecan is also associated with neutropenia. Used together, the risk of severe myelosuppression and serious infection is higher.
How serious is the interaction between Deferiprone and Trastuzumab deruxtecan?
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 the combination where an alternative exists. If both are needed, check absolute neutrophil count more often than usual and interrupt deferiprone if neutropenia develops.
What other medicines interact with Deferiprone?
MediHelp also lists interactions of Deferiprone with, for example, Clozapine, Abemaciclib, Acalabrutinib. The full list is on the Deferiprone page.
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