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  • Title: Doxorubicin liposomal pegylated: new preparation. Breast cancer: not just a question of short-term cardiac effects.
    Journal: Prescrire Int; 2004 Jun; 13(71):90-1. PubMed ID: 15233142.
    Abstract:
    (1) There is no reference first-line chemotherapy regimen for metastatic breast cancer. Anthracycline-based combinations are generally used. One of the main problems with anthracyclines is the risk of heart failure, both during and some time after treatment. (2) A liposomal pegylated doxorubicin, an anthracycline, is now available in Europe. The aim of pegylation is supposedly to reduce the cardiotoxicity relative to standard doxorubicin. The marketing licence specifies that liposomal pegylated doxorubicin must not be used in combination with other drugs in people with metastatic breast cancer. This is the second liposomal doxorubicin preparation to be authorised for this use in France; we concluded that the first product, a non-pegylated form, offered no therapeutic advance. (3) According to the only available comparative trial, liposomal pegylated doxorubicin is no more effective than standard doxorubicin in terms of the duration or quality of survival. (4) In this trial, liposomal pegylated doxorubicin was associated with slightly fewer cardioechographic abnormalities than standard doxorubicin. (5) Other adverse events were also less common (hair loss, nausea and vomiting, and neutropenia), while some were more common (palmoplantar erythrodysesthesia, stomatitis and mucitis). Overall, 24% of patients stopped using liposomal pegylated doxorubicin because of adverse events, compared with 11% of patients receiving standard doxorubicin. (6) Unlike liposomal non-pegylated doxorubicin, the liposomal pegylated form is no more difficult than standard doxorubicin to prepare for injection. (7) In practice, when the decision is made to use doxorubicin, the standard form, at an appropriate dose, is suitable for most patients, as long as cardiac function is closely monitored. Differences in the adverse effect profile (especially hair loss) may make liposomal pegylated doxorubicin more attractive to some patients (it costs 20 times more than standard doxorubicin in France).
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