Drug interactions
Etanercept + Trastuzumab deruxtecan
Severity: Moderate
Etanercept and Trastuzumab deruxtecan: 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
Trastuzumab deruxtecan commonly causes neutropenia and can cause interstitial lung disease, and etanercept adds TNF blockade that raises infection susceptibility. Together they may increase the risk of serious infection.
What this interaction means in plain words
Etanercept and Trastuzumab deruxtecan 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.
Etanercept belongs to Musculoskeletal; Trastuzumab deruxtecan belongs to Oncology.
Why it happens
Additive effects: myelosuppression from the cytotoxic payload plus immune suppression from TNF inhibition.
What to do
Monitor blood counts and watch closely for infection, treating fever promptly. Consider pausing etanercept during significant neutropenia.
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 Etanercept
- Bcg vaccine live + Etanercept Contraindicated
- Etanercept + Golimumab Contraindicated
- Etanercept + Measles mumps and rubella vaccine Contraindicated
- Etanercept + Measles mumps and rubella vaccine live Contraindicated
- Etanercept + Measles mumps rubella and varicella vaccine live Contraindicated
- Etanercept + Measles vaccine Contraindicated
Other interactions of Trastuzumab deruxtecan
Frequently asked questions
Can I take Etanercept with Trastuzumab deruxtecan?
MediHelp rates the interaction as moderate. Etanercept and Trastuzumab deruxtecan 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. Trastuzumab deruxtecan commonly causes neutropenia and can cause interstitial lung disease, and etanercept adds TNF blockade that raises infection susceptibility. Together they may increase the risk of serious infection.
How serious is the interaction between Etanercept and Trastuzumab deruxtecan?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood counts and watch closely for infection, treating fever promptly. Consider pausing etanercept during significant neutropenia.
What other medicines interact with Etanercept?
MediHelp also lists interactions of Etanercept with, for example, Bcg vaccine live, Golimumab, Measles mumps and rubella vaccine. The full list is on the Etanercept page.
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