Efficacy and safety evaluation of docetaxel liposome inarabbit model bearing orthotopically transplanted VX2 tumor

Yu LIU; Fujun ZHANG; Zuoping LAN; Li ZHANG; Jie WANG; Yu YU

doi:10.16016/j.1000-5404.201611128

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Efficacy and safety evaluation of docetaxel liposome inarabbit model bearing orthotopically transplanted VX2 tumor

Basic Medicine | 更新时间：2026-01-09

- Efficacy and safety evaluation of docetaxel liposome inarabbit model bearing orthotopically transplanted VX2 tumor
- Journal of Third Military Medical University Vol. 39, Issue 14, Pages: 1428-1434(2017)
- 作者机构：
  
  1.400016 重庆，重庆医科大学：附属第一医院药学部
  2.400016 重庆，重庆医科大学：附属第一医院口腔颌面外科
  3.400016 重庆，重庆医科大学：药学院药物化学与生物材料研究室
- 作者简介：
- 基金信息：
  
  the General Program of National Natural Science Foundation of China(81172097);the Key Project of Natural Science Foundation of Chongqing(CSTC2013jjB0010)
- DOI：10.16016/j.1000-5404.201611128
  CLC： R734.2; R969.4; R979.1
- Received：13 November 2016，
  
  Revised：2017-02-03，
  
  Published：30 July 2017
- 稿件说明：
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Yu LIU, Fujun ZHANG, Zuoping LAN, et al. Efficacy and safety evaluation of docetaxel liposome inarabbit model bearing orthotopically transplanted VX2 tumor[J]. Journal of Third Military Medical University, 2017, 39(14): 1428-1434.
DOI：

Yu LIU, Fujun ZHANG, Zuoping LAN, et al. Efficacy and safety evaluation of docetaxel liposome inarabbit model bearing orthotopically transplanted VX2 tumor[J]. Journal of Third Military Medical University, 2017, 39(14): 1428-1434. DOI： 10.16016/j.1000-5404.201611128.

摘要

目的

评价多西他赛脂质体(DTX-LP)的远期疗效和不良反应。

方法

建立兔VX2原位移植肺癌模型，分别静脉给予荷瘤兔空白脂质体(BLA-LP)、多西他赛注射剂(DTX-IN，2.7 mg/kg)、DTX-LP高剂量(0.9 mg/kg)、DTX-LP中剂量(0.3 mg/kg)以及DTX-LP低剂量(0.1 mg/kg)治疗4周期，记录兔生存时间并作生存分析，考察兔存活期间体质量及白细胞计数变化率，食欲减退、腹泻、肠道出血发生率，实验兔死亡后作大体解剖，评估主要脏器的组织病理损害程度。

结果

BLA-LP组，DTX-IN组，DTX-LP高、中、低剂量组兔的中位生存时间分别为28、35、49、34、32 d。生存曲线经Log-Rank检验，DTX-LP高剂量组分别与BLA-LP组、DTX-IN组比较，差异有统计学意义(

=0.001，

=0.005)。上述各治疗组兔的平均体质量变化率分别为(-23.03±7.99)%、(-11.25±9.67)%、(-1.48±6.36)%、(-2.08±14.39)%和(-17.27±18.41)%；白细胞计数累积变化率分别为(-3.53±18.17)%、(-52.78±12.50)%、(-16.56±10.21)%、(-22.19±10.70)%和(-15.37±14.14)%。DTX-IN组和DTX-LP高剂量组食欲减退的发生率分别为83.3%和50.0%；BLA-LP组、DTX-IN组及DTX-LP高、中、低剂量组腹泻发生率分别为16.7%、66.7%、33.3%、16.7%、16.7%；DTX-IN组肠道出血发生率83.3%。病理检查结果显示DTX-LP高剂量组的心、肝、脾、肺、肾组织无明显异常，DTX-IN组上述脏器均有不同程度的病理损害。

结论

DTX-LP高剂量组明显延长VX2肺癌兔中位生存期，且不良反应轻微。

Abstract

Objective

To evaluate the long-term efficacy and safety of docetaxel liposome(DTX-LP) in a rabbit model of lung cancer.

Methods

Thirty rabbit models of lung cancer established by orthotopic transplantation of VX2 tumor tissues were randomized in 5 equal groups to receive intravenous injections of blank liposome (BLA-LP)

docetaxel (DTX-IN

2.7 mg/kg)

or DTX-LP at high (0.9 mg/kg)

moderate (0.3 mg/kg) or low (0.1 mg/kg) doses once a week for 4 consecutive weeks

and the survival time of the rabbits was recorded. The survival of the rabbits in each group was estimated using Kaplan-Meier analysis and analyzed with Log-rank test. The changes in body weight and leukocyte count of the rabbits were observed

and the incidence of anorexia

diarrhea and intestinal bleeding were evaluated. After the rabbits died

the heart

liver

spleen

lungs and kidneys were dissected for histopathological examinations.

Results

The median survival time of the rabbits was 28 d in BLA-LP group

35 d in DTX-IN group

49 d in high-dose DTX-LP group

34 d in moderate-dose DTX-LP group and 32 d in low-dose

DTX-LP group. The survival rate of the rabbits was significantly higher in high-dose DTX-LP group than in BLA-LP group (

=0.001) and DTX-IN group (

=0.005). The percent change in the body weight in the 5 groups was (-23.03±7.99)%

(-11.25±9.67)%

(-1.48±6.36)%

(-2.08±14.39)% and (-17.27±18.41)%

respectively

and that of leukocyte count was (-3.53±18.17)%

(-52.78±12.50)%

(-16.56±10.21)%

(-22.19±10.70)% and (-15.37±14.14%)

respectively. The incidence of anorexia was 83.3% in DTX-IN group and 50.0% in high-dose DTX-LP group. The incidence of diarrhea was 16.7%

66.7%

33.3%

16.7% and 16.7% in the 5 groups

respectively

and intestinal bleeding occurred in DTX-IN group was 83.3%. Histological examination revealed obvious pathological changes in the heart

liver

spleen

lungs and kidneys in DTX-IN group but not in high-dose DTX-LP group.

Conclusion

Treatment with high-dose DTX-LP significantly prolongs the survival of tumor-bearing rabbits with only mild adverse effects.

关键词

Keywords

references

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