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Chemoprevention of breast cancer

Aurelio B Castrellon1, Stefan Glück

  • 1University of Miami Miller's School Of Medicine, Division of Hematology/Medical Oncology, Sylvester Comprehensive Cancer Center, 1475 NW 12th Avenue Miami, FL 33136, USA. acastrellon1@med.miami.edu

Expert Review of Anticancer Therapy
|March 28, 2008
PubMed

Insights

Preventing breast cancer is crucial. This review covers key chemopreventive agents and clinical trials, highlighting progress in reducing cancer incidence, especially for estrogen receptor-negative types.

Area of Science:

  • Oncology
  • Pharmacology
  • Preventive Medicine

Background:

  • Breast cancer is a leading cause of death in women, necessitating research into preventive strategies.
  • Existing therapies like tamoxifen and aromatase inhibitors show promise, particularly for estrogen receptor-positive breast cancer.
  • There is a critical need for effective chemoprevention, especially for estrogen receptor-negative breast cancer.

Purpose of the Study:

  • To review significant chemopreventive agents for breast cancer.
  • To summarize clinical trials evaluating the efficacy of these agents.
  • To highlight progress and future directions in breast cancer chemoprevention.

Main Methods:

  • Literature review of pharmacological and natural compounds for breast cancer prevention.
  • Analysis of clinical trial data on the efficacy of various chemopreventive agents.
  • Focus on agents targeting both estrogen receptor-positive and estrogen receptor-negative breast cancer.

Main Results:

  • Tamoxifen reduces estrogen receptor-positive invasive breast cancer incidence by nearly 50% in high-risk women.
  • Aromatase inhibitors demonstrate superiority over tamoxifen in reducing recurrence in postmenopausal women.
  • Ongoing clinical trials are evaluating the chemopreventive effects of multiple agents.

Conclusions:

  • Chemoprevention plays a vital role in reducing breast cancer incidence and recurrence.
  • Further research is essential to develop novel agents, particularly for estrogen receptor-negative breast cancer.
  • The landscape of breast cancer chemoprevention is expanding with promising therapeutic options.

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