Antiangiogenic and anticolorectal cancer effects of metronomic irinotecan chemotherapy alone and in combination with semaxinib
2008

Effects of Metronomic Irinotecan on Colon Cancer

Sample size: 6 publication 10 minutes Evidence: high

Author Information

Author(s): G. Bocci, A. Falcone, A. Fioravanti, P. Orlandi, A. Di Paolo, G. Fanelli, P. Viacava, A. G. Naccarato, R. S. Kerbel, R. Danesi, M. Del Tacca, G. Allegrini

Primary Institution: University of Pisa, Pisa, Italy

Hypothesis

Can metronomic irinotecan chemotherapy effectively inhibit tumor growth and angiogenesis in preclinical models of colon cancer?

Conclusion

Metronomic irinotecan significantly inhibits tumor growth and reduces microvessel density without causing toxicity.

Supporting Evidence

  • Metronomic CPT-11 significantly inhibits HT-29 tumor growth in the absence of toxicity.
  • Combination treatment with semaxinib enhances the antitumor effects of metronomic irinotecan.
  • Metronomic chemotherapy reduces microvessel density in tumor tissues.

Takeaway

This study shows that giving a little bit of medicine often can help fight cancer without making the mice sick.

Methodology

The study used in vitro and in vivo experiments to assess the effects of metronomic irinotecan and its combination with semaxinib on tumor growth and angiogenesis.

Potential Biases

Potential biases may arise from the use of animal models and the specific conditions of the experiments.

Limitations

The study was conducted in preclinical models, which may not fully replicate human responses.

Participant Demographics

CD nu/nu male mice were used for in vivo studies.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6604352

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