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Updated: Aug 16, 2026

Implementation of In Vitro Drug Resistance Assays: Maximizing the Potential for Uncovering Clinically Relevant Resistance Mechanisms
Published on: December 9, 2015
A practical overview of aromatase inhibitors
Jawaid Younus1, Theodore A Vandenberg
1University of Western Ontario, Medical Oncologist, London Regional Cancer Centre, 790 Commissioners Road East, London, ON N6A 4L6, Canada. jawaid.younus@lrcc.on.ca
Abstract:
Tamoxifen has been the standard adjuvant therapy for patients with breast cancer for several decades. Various recently completed adjuvant trials using aromatase inhibitors have shown the superiority of these agents over Tamoxifen or placebo, when used in post-menopausal women. The results from these trials present a challenging situation for practicing oncologists with regards to the choice, duration, sequence of therapy, follow-up and side-effects of aromatase inhibitors. Various management issues from a practical angle for oncologists are discussed for the effective use of these agents, with an evidence-based approach.
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