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August 31, 2011AFRICAN JOURNAL OF BIOTECHNOLOGYOpen Access

Synergistic effects of ginsenoside Rg3 and cyclophosphamine on tumor growth and angiogenesis in lung cancer

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Key result

Ginsenoside Rg3 plus cyclophosphamide extends survival ~98% versus control in a lung cancer mouse model.

  • Life elongation rate 98.2%
  • P<0.01
  • n=54

Why the study?

The effectiveness of ginsenoside Rg3 alone or combined with cyclophosphamide on tumor growth and angiogenesis in human lung cancer was evaluated.

Does ginsenoside Rg3 alone or in combination with cyclophosphamide reduce tumor growth and angiogenesis in a mouse model of human lung cancer?

Population

54 female athymic mice transplanted with human lung cancer cells (A549)

Comparison

Ginsenoside Rg3 alone vs cyclophosphamide alone vs ginsenoside Rg3 plus cyclophosphamide vs control

Design

Randomized preclinical study

Follow-up

18 days plus survival time

Authors

HLHang LiFuyang Normal UniversityJWJun WangYGYanfeng GuanLuye Pharma (China)

Discussion

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Implication

Hypothesis-generating in lung cancer models; human trials needed before any clinical consideration.

Structured PICO

Does ginsenoside Rg3 alone or in combination with cyclophosphamide reduce tumor growth and angiogenesis in a mouse model of human lung cancer?

P
Population
54 female athymic mice transplanted with human lung cancer cells (A549) followed for up to 40 days to evaluate tumor growth and angiogenesis.
I
Intervention
Ginsenoside Rg3 3.0 mg/kg intraperitoneally once/day for 10 days, alone or in combination with cyclophosphamide (CPA) 20.0 mg/kg intraperitoneally once/day for 10 days
C
Comparator
Cyclophosphamide (CPA) alone or control group
O
Outcome
Survival time, life elongation rate, proliferating cell nuclear antigen labeling index (PCNALI), expression of vascular endothelial cell growth factor (VEGF) and microvessel density (MVD) in tumor tissuessurrogate

Main Result

Effect estimate: Life elongation rate 98.2%

Absolute Event Rate: 27.22% vs 13.59%

p-value: p=<0.01

Ginsenoside Rg3, alone or combined with cyclophosphamide, inhibits tumor growth and angiogenesis and improves survival in a mouse model of lung cancer.

Limitations

  • Animal model results may not directly translate to human clinical outcomes
  • Small sample size per group

Cite This Study

Li et al. (2011) studied Lung cancer (n=54). Ginsenoside Rg3 and cyclophosphamide vs. Saline (control) was evaluated on Survival time (days) (Life elongation rate 98.2%, p=<0.01). Ginsenoside Rg3 combined with cyclophosphamide significantly prolonged survival time in a mouse model of lung cancer compared to control (27.22 vs 13.59 days, p<0.01).

synapsesocial.com/papers/6aaf5f83d85a37aba6110566https://doi.org/10.5897/ajb11.829
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