Emerging Therapeutic Approaches to Engage the Androgen Receptor for the Treatment of Castration-Resistant Prostate

Isla Henry1, Rebecca Foreman1, Lakshana Balachandran1

  • 1Department of Clinical and Experimental Medicine, University of Surrey, Guildford GU2 7XH, UK.

Cancers
|December 11, 2025
PubMed

Insights

New therapies are emerging to combat castration-resistant prostate cancer (CRPC) by targeting the androgen receptor (AR) axis. These agents aim to overcome resistance to current treatments by disrupting AR signaling through direct or indirect mechanisms.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Castration-resistant prostate cancer (CRPC) presents a significant clinical challenge, with tumors often progressing despite androgen receptor (AR)-targeted therapies.
  • Androgen receptor (AR) signaling remains a key driver of tumor growth in CRPC, necessitating novel therapeutic strategies.

Purpose of the Study:

  • To review next-generation therapies targeting the AR signaling axis in CRPC.
  • To highlight agents in preclinical or clinical development that disrupt AR function through direct and indirect mechanisms.

Main Methods:

  • Review of preclinical and clinical data on novel agents targeting AR signaling in CRPC.
  • Analysis of mechanisms of action, including direct AR degradation, targeting novel AR domains, and indirect modulation of AR co-regulators and transcriptional machinery.

Main Results:

  • Emerging therapies include novel agents that degrade AR or target non-conventional domains, aiming to overcome resistance to existing anti-androgens.
  • Indirect strategies focus on modulating AR-associated proteins, chromatin accessibility, and splicing factors to inhibit AR-driven gene expression.

Conclusions:

  • These next-generation therapies offer promising strategies to more effectively suppress AR activity in CRPC.
  • The development of these agents has the potential to reshape future treatment paradigms for CRPC.