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Tamoxifen: an emerging preventive.

Jan Schwartz1

  • 1Department of Physiology, School of Medicine, 540 E. Canfield, Wayne State University, Detroit, MI 48201, USA. jschwart@med.wayne.edu

Frontiers in Bioscience : a Journal and Virtual Library
|September 9, 2004
PubMed
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Tamoxifen significantly reduces breast cancer recurrence and occurrence risk in women with risk factors. This endocrine therapy is vital for prevention and understanding treatment resistance mechanisms.

Area of Science:

  • Endocrinology
  • Oncology
  • Pharmacology

Background:

  • Tamoxifen is a widely used endocrine agent, acting as an estrogen receptor antagonist.
  • It has demonstrated efficacy in clinical trials for breast cancer risk reduction.

Purpose of the Study:

  • To evaluate the effectiveness of tamoxifen in preventing breast cancer recurrence and occurrence.
  • To underscore the importance of tamoxifen in mechanistic studies for cancer prevention and resistance.

Main Methods:

  • Comparison of tamoxifen versus placebo over a 5-year period in Breast Cancer Prevention Trials.
  • Identification of molecular determinants associated with tamoxifen resistance.

Main Results:

  • Tamoxifen significantly reduced breast cancer recurrence in patients with a history of the disease.

Related Experiment Videos

  • Tamoxifen delayed progression from noninvasive to invasive breast cancer.
  • Tamoxifen substantially reduced the risk of developing breast cancer in healthy women with risk factors.

    • Conclusions:

    • Tamoxifen is an effective preventive agent supporting multilevel approaches to cancer prevention.
    • Further research is needed to link molecular determinants of resistance to detectable biological changes for early detection.