Treatment of advanced hormone-refractory prostate carcinoma with a combination of etoposide,pirarubicin and cisplatin |
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Authors: | S. Naito T. Ueda S. Kotoh J. Kumazawa K. Itoh K. Sagiyama T. Omoto S. Andoh Y. Hasegawa Y. Fujisawa |
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Affiliation: | (1) Department of Urology, Faculty of Medicine, Kyushu University 71, 3-1-1 Maidashi, Higashi-ku, 812 Fukuoka, Japan;(2) Department of Urology, Kyushu Rosai, Hospital, Kitakyushu, Japan;(3) Department of Urology, Harasanshin General Hospital, Fukuoka, Japan;(4) Department of Urology, Kyushu Kosei-Nenkin Hospital, Kitakyushu, Japan;(5) Department of Urology, Kitakyushu Municipal Medical Center, Kitakyushu, Japan;(6) Department of Urology, Kyushu Central Hospital, Fukuoka, Japan;(7) Department of Urology, Iizuka Hospital, Iizuka, Japan |
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Abstract: | A total of 20 patients with hormone-refractory prostate carcinoma entered a pilot study of combination chemotherapy based on the EAP (etoposide, Adriamycin and cisplatin) regimen, in which Adriamycin was replaced by pirarubicin, a less cardiotoxic derivative of Adriamycin. The response was assessed by criteria modified from those of the National Prostatic Cancer Project: prostate-specific antigen was employed instead of acid phosphatase. Of 18 evaluable patients, 6 achieved a partial response, 5 had stable disease, and in 7 the disease had progressed during therapy; thus, the overall response rate was 33.3% [95% confidence interval (CI) 11.5–55.1%]. Significant pain alleviation and performance status improvement were obtained in 5 of 12 patients (41.7%; CI 13.8–69.6%) and 3 of 13 patients (23.1%; CI 0.2–46.0%), respectively. Although myelosuppression was moderate to severe, no chemotherapy-related deaths or bacteriologically documented sepsis occurred; nor was there any clinical cardiotoxicity. All the responding patients received maintenance chemotherapy with etoposide thereafter. At present, the median duration of response is 33 weeks (range: 23–91 weeks) and the median survival period for all patients is 42 weeks (range: 27+ –136 weeks), with 12 deaths. In spite of the small number of patients treated, these results suggest that this chemotherapy regimen is active in advanced hormone-refractory prostate carcinoma. |
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Keywords: | Prostate cancer Hormone-refractory prostate carcinoma EAP regimen |
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