Cyclo-oxygenase inhibition reduces tumour growth and metastasis in an orthotopic model of breast cancer
2002

Cyclo-oxygenase Inhibition and Breast Cancer

Sample size: 18 publication 10 minutes Evidence: moderate

Author Information

Author(s): Connolly E M, Harmey J H, O'Grady T, Foley D, Roche-Nagle G, Kay E, Bouchier-Hayes D J

Primary Institution: Royal College of Surgeons in Ireland, Beaumont Hospital

Hypothesis

The study investigates the effect of selective and non-selective cyclo-oxygenase inhibition on tumor growth and metastasis in breast cancer.

Conclusion

Cyclo-oxygenase inhibitors significantly reduce tumor growth and metastasis in breast cancer models.

Supporting Evidence

  • Both SC-236 and indomethacin significantly reduced primary tumor weight and the number of lung metastases.
  • Microvessel density was reduced and tumor cell apoptosis increased in treated mice.
  • VEGF production was decreased in vitro with cyclo-oxygenase inhibition.

Takeaway

This study shows that certain medications can help shrink breast tumors and stop them from spreading.

Methodology

The study used an orthotopic model of breast cancer in mice, injecting tumor cells and treating with COX inhibitors.

Limitations

The study was conducted in a mouse model, which may not fully replicate human breast cancer.

Participant Demographics

Female BALB/c mice, aged 10-12 weeks.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600462

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