Cumulative doses in excess of 500 mg/m2 of doxil appear to carry a considerably lesser risk of cardiomyopathy as judged by serial LVEF's and clinical follow-up, than is generally associated with free doxorubicin. Heart biopsies have provided reassuring data in a small number of patients, even if pretreated with doxorubicin. However, since three doxorubicin pretreated patients were among the five experiencing drops in LVEF, more data are warranted on such patients.
Image guided PT provided excellent biochemical control rates for patients with localized prostate cancer. The actuarial rates of high-grade toxicity were low after PT. From pretreatment to 5 years of follow-up, a significant decline was found only in mean EPIC sexual summary scores. Prospective clinical studies are needed to determine the comparative effectiveness of PT and other radiation treatment strategies.
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