Abstract: |
Epirubicin has undergone extensive evaluation at the Memorial Sloan-Kettering Cancer Center. A prospective randomized comparison of epirubicin and doxorubicin (Adriamycin) in the treatment of breast cancer was made. Cardiac toxicity was evaluated clinically and with the use of radionuclide cine-angiography. A gradual decline in left ventricular ejection fraction was not consistently seen, but radionuclide angiographic abnormalities correlated well with clinical performance. Radionuclide cine-angiography was an inadequate predictor of impending cardiac failure in any particular patient. On a molar basis, epirubicin is less cardiotoxic than doxorubicin. Even allowing for the difference in myelosuppressive potency between the two drugs, epirubicin is less cardiotoxic. |