Docetaxel, low-dose estramustine, and doxifluridine in hormone-refractory metastatic prostate cancer

Yoshihiro Wada, Ken Kikuchi, Wataru Takahashi, Jiro Honda, Juro Nakanishi, Koichiro Matsumoto, Tomohiro Kuwahara, Nobuyuki Kai, Hiroaki Kikukawa, Shoichi Ueda

研究成果: Contribution to journalArticle査読

6 被引用数 (Scopus)

抄録

Purpose: Advanced prostate cancer, which is one of the most common cancers, usually progresses to hormone-refractory prostate cancer (HRPC). A recent randomized trial of treatment with docetaxel demonstrated improved survival for patients with HRPC. The combination of docetaxel and estramustine phosphate (estramustine) has been reported to be effective for HRPC. Low-dose estramustine suppresses the pituitary-gonadal axis. Docetaxel plus 5-fluoro-5′- deoxyuridine (5′-dFUrd) had supra-additive cytotoxic effects on HRPC cells consistent with the molecular mechanism. Therefore, we examined the efficacy of adding 5′-dFUrd on the chemotherapy regimen, which consist docetaxel and estramustine. Methods: All of the HRPC patients were treated with estramustine 140 mg orally twice 5′-dFUrd 200 mg orally four times daily on days 1-21, and docetaxel 60 mg/m2 was administered on day 1. We evaluated serum prostate-specific antigen (PSA) and measurable responses, the progression-free and overall survival, and the impact on adverse effects and the quality of life (QOL). Results: Of 34 patients with a median age of 72.3 years, 73% showed PSA responses and 70% showed measurable responses. The median progression-free survival was 18.0 and 5.8 months for PSA responders and non-responders and the overall survival was 19.4 months, respectively. There were few serious adverse effects. Grade 3/4 neutropenia occurred in 32.4% of the patients, and was easily managed with granulocyte colony-stimulating factor (G-CSF) injection. There was no significant change in the overall QOL scores serially. Conclusions: This study shows that the combined regimen is tolerable and effective in Japanese HRPC patients.

本文言語英語
ページ(範囲)53-61
ページ数9
ジャーナルCancer chemotherapy and pharmacology
61
1
DOI
出版ステータス出版済み - 1 2008
外部発表はい

All Science Journal Classification (ASJC) codes

  • 腫瘍学
  • 毒物学
  • 薬理学
  • 癌研究
  • 薬理学(医学)

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