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Updated: May 29, 2026

A Bioluminescent and Fluorescent Orthotopic Syngeneic Murine Model of Androgen-dependent and Castration-resistant Prostate Cancer
Published on: March 6, 2018
New hormonal therapies for castration-resistant prostate cancer
Elahe A Mostaghel1, Stephen Plymate
1Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, WA, USA.
Abstract:
Continued activation of the androgen receptor (AR) axis despite castration remains a critical force in the development of castration-resistant prostate cancer (CRPC). Therapeutic strategies designed to more effectively ablate tumoral androgen activity are required to improve clinical efficacy and prevent disease progression. Tumor-based alterations in expression and activity of the AR and in steroidogenic pathways mediating ligand generation facilitate the development of CRPC. This article reviews AR and ligand-dependent mechanisms underlying CRPC progression and the status of novel hormonal therapies targeting the AR axis that are currently in clinical and preclinical development.
Insights
Castration-resistant prostate cancer (CRPC) progresses due to continued androgen receptor (AR) activation. Novel therapies targeting AR signaling are crucial for improving treatment efficacy and preventing disease advancement.
Area of Science:
- Oncology
- Endocrinology
- Urology
Background:
- Continued activation of the androgen receptor (AR) axis despite castration drives castration-resistant prostate cancer (CRPC) progression.
- Tumor-specific alterations in AR expression/activity and steroidogenic pathways contribute to CRPC development.
- Effective therapeutic strategies to inhibit tumoral androgen activity are needed.
Purpose of the Study:
- To review AR and ligand-dependent mechanisms underlying CRPC progression.
- To discuss novel hormonal therapies targeting the AR axis in clinical and preclinical development.
Main Methods:
- Literature review of studies on androgen receptor signaling in prostate cancer.
- Analysis of mechanisms driving castration resistance.
- Survey of current and emerging therapeutic strategies targeting the AR axis.
Main Results:
- Identified AR axis activation and ligand generation pathways as key drivers of CRPC.
- Summarized the status of various novel hormonal therapies targeting the AR axis.
- Highlighted the need for improved therapeutic strategies to overcome resistance mechanisms.
Conclusions:
- Understanding AR and ligand-dependent mechanisms is critical for developing effective CRPC treatments.
- Novel hormonal therapies targeting the AR axis show promise but require further investigation.
- Continued research into AR signaling and resistance pathways is essential for improving patient outcomes.
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