Induced and inherent resistance to alkylating agents in human small-cell bronchial carcinoma xenografts
1984

Resistance to Chemotherapy in Small-Cell Lung Cancer

Sample size: 3 publication Evidence: moderate

Author Information

Author(s): R. Berman, G.G. Steel

Primary Institution: Radiotherapy Research Unit, Institute of Cancer Research

Hypothesis

Can inherent and induced resistance to alkylating agents be observed in human small-cell bronchial carcinoma xenografts?

Conclusion

The study found that while inherent resistance was stable, induced resistance varied and was not always maintained.

Supporting Evidence

  • The study established xenografts from three patients and tested their response to chemotherapy.
  • Induced resistance was observed in one xenograft line but not in others.
  • Resistance to chemotherapy can vary significantly between different cancer lines.

Takeaway

Some cancers can become resistant to treatments over time, and this study looked at how that happens in lung cancer using mice.

Methodology

Xenografts from three patients were established in immune-suppressed mice, and their sensitivity to various chemotherapy drugs was tested.

Limitations

The study faced challenges in sampling and measuring resistance development.

Participant Demographics

Three patients with small-cell lung cancer were involved.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

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