Asian Pacific Journal of Cancer Prevention

Asian Pacific Journal of Cancer Prevention (아시아태평양암예방학회)
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Intensity-modulated Radiotherapy Combined with Endocrine Therapy for Intermediate and Advanced Prostate Cancer: Long-term Outcome of Chinese Patients

  • Luo, Hua-Chun (Department of Radiation Oncology, Fuzhou General Hospital of Nanjing Command, PLA) ;
  • Cheng, Hui-Hua (Department of Radiation Oncology, Fuzhou General Hospital of Nanjing Command, PLA) ;
  • Lin, Gui-Shan (Department of Radiation Oncology, Fuzhou General Hospital of Nanjing Command, PLA) ;
  • Fu, Zhi-Chao (Department of Radiation Oncology, Fuzhou General Hospital of Nanjing Command, PLA) ;
  • Li, Dong-Shi (Department of Radiation Oncology, Fuzhou General Hospital of Nanjing Command, PLA)
  • Published : 2013.08.30
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Abstract

Aim: The aim of this study was to evaluate acute adverse events and efficacy of three-dimensional intensitymodulated radiotherapy (IMRT) combined with endocrine therapy for intermediate and advanced prostate cancer. Methods: Sixty-seven patients were treated with three-dimensional IMRT combined with maximum androgen blockade. The correlation between radiation-induced rectal injury and clinical factors was further analyzed. Results: After treatment, 21 patients had complete remission (CR), 37 had partial remission (PR), and nine had stable disease (SD), with an overall response rate of 86.5%. The follow-up period ranged from 12.5 to 99.6 months. Thirty-nine patients had a follow-up time of ${\geq}$ five years. In this group, three-year and five-year overall survival rates were 89% and 89.5%, respectively; three-year and five-year progression-free survival rates were 72% and 63%. In univariate analyses, gross tumor volume was found to be prognostic for survival ($X^2$ = 5.70, P = 0.037). Rates of leucopenia and anemia were 91.1% and 89.5%, respectively. Two patients developed acute liver injury, and a majority of patients developed acute radiation proctitis and cystitis, mainly grade 1/2. Tumor volume before treatment was the only prognostic factor influencing the severity of acute radiation proctitis (P < 0.05). Conclusions: IMRT combined with endocrine therapy demonstrated promising efficacy and was well tolerated in patients with intermediate and advanced prostate cancer.

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References

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