Background and purpose: Although intermittent endocrine therapy is a treatment strategy for new patients with advanced prostate cancer
the use of hormonal therapy is still controversial. This study aimed to investigate the efficacy of intermittent hormonal therapy for the patients with advanced prostate cancer and determine the factors influencing efficacy of the treatment. Methods: From Jul. 2009 to May 2015
patients with advanced prostate cancer were treated with 6 months of hormonal therapy
and then efficacy was assessed. A hundred and twenty-eight hormone sensitive patients were randomly divided into intermittent and continuous treatment groups
and were observed with efficacy
side effects
quality of life scores and other indicators. The prognostic factors for intermittent group were analyzed. Results: A total of 128 patients with advanced prostate cancer were enrolled in the study. Prostate-specific antigen (PSA) levels were significantly decreased in 96 patients after endocrine therapy. Among those
43 patients received intermittent endocrine therapy while 53 patients received continuous endocrine therapy. The score of KPS in the intermittent treatment group was 82.6±7.4
which was significantly higher than that of the continuous group (KPS score was 69.8±8.7). There was a significant difference between them (P0.05). The incidence of treatment related side effects and the proportion of developing hormone independent tumor in the intermittent group were significantly lower than that in the continuous treatment group (P0.05). The 5-year survival rate in intermittent group was 72.1%
higher than that in the continuous group (63%). However
the difference was not statistically significant (P0.5). PSA level in the early stage of endocrine therapy and G1eason score before treatment were important factors affecting the prognosis of patients. The patients in the intermittent group were followed up for 13-70 months
and received 1 to 4 cycles of treatment. The number of patients in the treatment was declined during the extension of the treatment
and the treatment interval was shorter. Conclusion: Intermittent endocrine therapy is an effective treatment for advanced prostate cancer. It is safe and reliable. It can improve the quality of life for patients and reduce the economic burden on them.
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Related Author
Hao LIU
Junjie SU
Shiyong XIN
Jiachen WU
Lina HE
Xinru TANG
Shuang TANG
Yilin WANG
Related Institution
Department of Urology, The First Affiliated Hospital and College of Clinical Medicine of Henan University of Science and Technology
College of Basic Medicine and Forensic Medicine, Henan University of Science and Technology
Cancer Institute, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Medical College, Fudan University
College of Life Sciences, Inner Mongolia University, Hohhot 010000, Inner Mongolia Autonomous Region
Department of Liver Surgery, Fudan University Shanghai Cancer Center; Department of Oncology, Shanghai Medical College, Fudan University