Interferon plus tamoxifen treatment for advanced breast cancer: in vivo biologic effects of two growth modulators
1993

Interferon and Tamoxifen for Advanced Breast Cancer

Sample size: 7 publication Evidence: moderate

Author Information

Author(s): L. Seymour, W.R. Bezwoda

Primary Institution: University of the Witwatersrand, South Africa

Hypothesis

Does the combination of interferon and tamoxifen improve treatment outcomes in patients with advanced breast cancer?

Conclusion

The study found that interferon and tamoxifen together can lead to significant changes in tumor biology and a favorable response in some patients.

Supporting Evidence

  • Four out of seven patients responded to treatment, with one complete and three partial remissions.
  • Interferon treatment increased estrogen receptor expression in tumors.
  • Changes in tumor markers were observed after treatment with interferon and tamoxifen.

Takeaway

This study looked at how two medicines, interferon and tamoxifen, work together to help people with advanced breast cancer. Some patients got better after treatment.

Methodology

Seven patients with advanced breast cancer received interferon followed by tamoxifen, with biopsies taken before and after treatment to assess changes in tumor markers.

Potential Biases

Potential bias due to the small number of participants and lack of a control group.

Limitations

The study had a small sample size and was a pilot trial, limiting the generalizability of the findings.

Participant Demographics

Six premenopausal and one postmenopausal patient, mean age 44 years, with advanced breast cancer.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

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