Chemosensitivity testing of small cell lung cancer using the MTT assay
1991

Testing Drug Sensitivity in Small Cell Lung Cancer

Sample size: 16 publication 10 minutes Evidence: moderate

Author Information

Author(s): B.G. Campling, J. Pym, H.M. Baker, S.P.C. Cole, Y.-M. Lam

Primary Institution: Queen's University, Kingston, Ontario, Canada

Hypothesis

Can the MTT assay effectively measure chemosensitivity in small cell lung cancer?

Conclusion

The MTT assay can be used for rapid chemosensitivity testing of small cell lung cancer cell lines and fresh tumor samples.

Supporting Evidence

  • Sixteen of the nineteen drugs tested were found to be cytotoxic.
  • Cell lines from untreated patients were generally more sensitive to drugs than those from treated patients.
  • The MTT assay results correlated well with the clonogenic assay results.

Takeaway

Researchers tested how well different cancer drugs work on lung cancer cells using a simple color test, and found that some cells are more sensitive to drugs than others.

Methodology

The study adapted the MTT assay for testing drug sensitivity in small cell lung cancer cell lines and fresh tumor samples, measuring the cytotoxic effects of 19 different drugs.

Potential Biases

Potential bias due to the small number of untreated patient samples and variability in cell line responses.

Limitations

The study had significant interexperiment variation and limited sample sizes for some comparisons.

Participant Demographics

Cell lines derived from both treated and untreated patients with small cell lung cancer.

Statistical Information

P-Value

0.05

Statistical Significance

p<0.05

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