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  • Title: Clinical experience of hormone therapy to bone metastatic prostate cancer.
    Author: Wakisaka M, Nomura K.
    Journal: Int J Urol; 2006 May; 13(5):550-4. PubMed ID: 16771724.
    Abstract:
    BACKGROUND: A novel hormone therapy was instituted against prostate cancer with bone metastases and its therapeutic efficacy was investigated. METHODS: A total of 35 patients who had been pathologically diagnosed with carcinoma of the prostate between December [corrected] 1994 and December 2003 were entered into the present study. Patients aged over 80 years were excluded from the study. As for the treatment methodology, diethylstilbestrol diphosphate (DES-P) at 500 mg/day was intravenously injected for 20-40 days, followed by monotherapy with an analog of luteinizing hormone-releasing hormone (LHRH). In all subjects, surgical castration was not conducted. The survival rate was analysed according to the method of Kaplan-Meier. RESULTS: One of the 35 patients was excluded from the study as this patient did not meet the inclusion criteria. There were four patients who dropped out of the study. On histology, 17 patients had moderately differentiated adenocarcinomas and 17 patients had poorly differentiated adenocarcinomas. As for the extent of disease (EOD), the patients were classified as with a score of 1 in 10 patients, 2 in 13 patients, 3 in 7 patients and 4 in 4 patients. The 5-year progression-free survival rate and overall survival rate were 24.3% and 60.6%, respectively. CONCLUSION: Our new hormone therapy in the management of prostate cancer metastatic to the bone has demonstrated markedly superior therapeutic results compared to those so far obtained.
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