Sensitivity to CPT-11 of xenografted human colorectal cancers as a function of microsatellite instability and p53 status
2000

How Colorectal Cancer Responds to CPT-11 Treatment

Sample size: 9 publication Evidence: moderate

Author Information

Author(s): Bras-Gonçalves R A, Rosty C, Laurent-Puig P, Soulié P, Dutrillaux B, Poupon M-F

Primary Institution: Institut Curie

Hypothesis

The study investigates how microsatellite instability and p53 status affect the sensitivity of colorectal cancers to CPT-11.

Conclusion

The study found that colorectal cancers with microsatellite instability are more sensitive to CPT-11, while those with mutated p53 show a poorer response.

Supporting Evidence

  • Colorectal cancer xenografts were tested for their response to CPT-11.
  • Xenografts with functional p53 were more responsive to treatment.
  • MSI+ colorectal cancers showed better sensitivity to CPT-11 compared to MSI- cancers.

Takeaway

Some types of colorectal cancer respond better to a specific treatment called CPT-11, especially if they have certain genetic features.

Methodology

The study used a panel of nine colorectal cancer xenografts in nude mice to assess their response to CPT-11 treatment.

Limitations

The study's findings may not be generalizable beyond the specific xenografts tested.

Participant Demographics

The study involved human colorectal cancer samples, but specific demographic details were not provided.

Digital Object Identifier (DOI)

10.1054/bjoc.1999.1019

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