Who benefits from hormone therapy?

Masakazu Toi1, Yuichi Iino

  • 1Department of Clinical Trial and Research, Tokyo Metropolitan Cancer and Infectious Disease Center, Komagome Hospital, Tokyo, Japan.

Insights

Not all hormone receptor-positive tumors benefit from hormone therapy. This review discusses strategies like extended adjuvant therapy and new drug combinations to improve treatment effectiveness for breast cancer.

Area of Science:

  • Oncology
  • Endocrinology
  • Pharmacology

Background:

  • Hormone therapy is a cornerstone for hormone receptor (HR)-positive breast cancer, yet response varies significantly.
  • Identifying non-responders is crucial for optimizing patient outcomes and avoiding ineffective treatments.

Purpose of the Study:

  • To review current clinical trial outcomes regarding hormone therapy for HR-positive breast cancer.
  • To discuss novel strategies aimed at enhancing hormone therapy efficacy and identifying responsive tumors.

Main Methods:

  • Review of recent clinical trial data and scientific literature.
  • Analysis of emerging therapeutic approaches and predictive biomarkers.

Main Results:

  • Hormone therapy benefits are not universal for HR-positive tumors.
  • New strategies including extended adjuvant therapy, array-based responder selection, and combination therapies show promise.

Conclusions:

  • Distinguishing between highly hormone-responsive and less sensitive tumors is essential.
  • Further research and clinical validation are needed to refine treatment selection and improve patient outcomes in HR-positive breast cancer.

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