Metformin delays progression of prostate cancer: a retrospective study on 192 cases

Xintao TAN; Qiuli LIU; Song PENG; Jun ZHANG; Yao ZHANG; Jun JIANG

doi:10.16016/j.1000-5404.202101062

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Metformin delays progression of prostate cancer: a retrospective study on 192 cases

Clinical Medicine | 更新时间：2026-01-09

- Metformin delays progression of prostate cancer: a retrospective study on 192 cases
- Journal of Third Military Medical University Vol. 43, Issue 13, Pages: 1253-1257(2021)
- 作者机构：
  
  400042 重庆，陆军军医大学(第三军医大学)大坪医院泌尿外科
- 作者简介：
- 基金信息：
  
  the Special Scientific Research Project on Military Health Care(17BJZ13);the National Natural Science Foundation for Young Scholars of China(81802558)
- DOI：10.16016/j.1000-5404.202101062
  CLC： R737.25;R969.4;R977.15
- Received：07 January 2021，
  
  Revised：2021-03-29，
  
  Published：15 July 2021
- 稿件说明：
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Xintao TAN, Qiuli LIU, Song PENG, et al. Metformin delays progression of prostate cancer: a retrospective study on 192 cases[J]. Journal of Third Military Medical University, 2021, 43(13): 1253-1257.
DOI：

Xintao TAN, Qiuli LIU, Song PENG, et al. Metformin delays progression of prostate cancer: a retrospective study on 192 cases[J]. Journal of Third Military Medical University, 2021, 43(13): 1253-1257. DOI： 10.16016/j.1000-5404.202101062.

摘要

目的

探讨二甲双胍的使用对局限性前列腺癌根治术患者生化复发发生的影响以及骨转移性前列腺癌患者去势治疗抵抗发生的影响。

方法

回顾性分析2008年1月至2020年4月在本科确诊为局限性前列腺癌并行根治性手术且术后发生生化复发的患者31例和骨转移性前列腺癌患者161例，分别分为观察组(二甲双胍±抗雄药物治疗组)和对照组(无处理或单纯抗雄药物治疗组)。分别比较两组患者的基线特征，包括年龄、初始时前列腺特异性抗原(prostate specific antigen，PSA)、生化复发时PSA、病理T分期、Gleason评分。分析两组间生化复发或去势抵抗性前列腺癌(castration-resistant prostate cancer，CRPC)发生时间，前列腺特异性抗原倍增时间(prostate specific antigen double time，PSADT)和PSA最低值的差异。

结果

针对局限性前列腺癌根治术术后生化复发患者，观察组术后无生化复发中位时间(22.73个月)和平均PSADT时间(4.69个月)明显长于对照组术后无生化复发中位时间(10.73个月)和平均PSADT时间(4.30个月)(

0.05)；针对骨转移性前列腺癌患者，观察组的无CRPC发生中位时间(22.35个月)和中位PSADT时间(4.50个月)明显长于对照组的无CRPC发生中位时间(16.05个月)和中位PSADT时间(2.60个月)(

0.05)，两组治疗后PSA最低值差异无统计学意义。

结论

二甲双胍可明显延缓局限性前列腺癌根治术术后生化复发的发生，同时对于转移性前列腺癌可延缓CRPC发生。

Abstract

Objective

To investigate the effects of preoperative use of metformin on the biochemical recurrence (BR) in the patients with localized prostate cancer after radical prostatectomy (RP) and on the occurrence of castration resistance in patients with bone metastasis after RP.

Methods

A retrospective analysis was performed on 192 patients diagnosed with localized prostate cancer and undergoing RP in our hospital from January 2008 to April 2020

including 31 cases of postoperative BR and 161 cases of bone metastatic prostate cancer. The patients were further divided into observation group (metformin with/without androgen deprivation therapy) and control group (no treatment/androgen deprivation therapy alone)

based on whether they were preoperatively treated with metformin or not. The baseline characteristics of the 2 groups were collected and compared

including age

initial prostate specific antigen (PSA) level

PSA level at BR

pathological T stage

and Gleason score. The time to BR or to progression to castration-resistant prostate cancer (CRPC)

PSA doubling time (PSADT)

and PSA minimum were calculated and analyzed between the 2 groups.

Results

For the postoperative BR patients

the median time to BR (22.73

10.73 months

0.05) and mean PSADT (4.69

4.30 months

0.05) were significantly longer in the observation group than the control group. For the patients with bone metastatic prostate cancer

the observation group had obviously longer median time to CRPC (22.35

16.05 months

0.05) and median PSADT (4.50

2.60 months

0.05) when compared with the control gr

oup. But no such difference was seen in PSA minimum after treatment between them.

Conclusion

Metformin can effectively delay the progression of localized prostate cancer to BR after RP

and the progression of bone metastatic prostate cancer to CRPC.

关键词

Keywords

references

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