Interazioni tra farmaci
Doxorubicin liposomal + Trastuzumab
Gravità: Maggiore
Doxorubicin liposomal and Trastuzumab: major interaction.
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Sintesi
Trastuzumab can cause left ventricular dysfunction and heart failure, and the risk is greatest when it is given with or soon after anthracyclines. Liposomal doxorubicin is less cardiotoxic than conventional doxorubicin but still adds cardiac risk.
Cosa significa questa interazione in parole semplici
Doxorubicin liposomal and Trastuzumab 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.
Perché avviene
Additive cardiotoxicity: anthracycline myocyte injury combined with impaired HER2-dependent cardiomyocyte repair from trastuzumab.
Cosa fare
Avoid the combination if possible. If it is used, assess left ventricular ejection fraction before and at regular intervals during treatment, and stop trastuzumab for significant decline.
Cosa chiedere al farmacista
- 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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Altre interazioni di Trastuzumab
- Daunorubicin + Trastuzumab Maggiore
- Doxorubicin + Trastuzumab Maggiore
- Epirubicin + Trastuzumab Maggiore
- Idarubicin + Trastuzumab Maggiore
- Liposomal doxorubicin + Trastuzumab Maggiore
- Mitoxantrone + Trastuzumab Maggiore
Domande frequenti
Can I take Doxorubicin liposomal with Trastuzumab?
MediHelp rates the interaction as major. Doxorubicin liposomal and Trastuzumab 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. Trastuzumab can cause left ventricular dysfunction and heart failure, and the risk is greatest when it is given with or soon after anthracyclines. Liposomal doxorubicin is less cardiotoxic than conventional doxorubicin but still adds cardiac risk.
How serious is the interaction between Doxorubicin liposomal and Trastuzumab?
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 if possible. If it is used, assess left ventricular ejection fraction before and at regular intervals during treatment, and stop trastuzumab for significant decline.
What other medicines interact with Trastuzumab?
MediHelp also lists interactions of Trastuzumab with, for example, Daunorubicin, Doxorubicin, Epirubicin. The full list is on the Trastuzumab page.
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