Epigenetic Therapies in Endocrine-Related Cancers: Past Insights and Clinical Progress

Dhruvika Varun1,2, Maria Haque1,2, Jorja Jackson-Oxley1,2

  • 1School of Veterinary Medicine and Sciences, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham LE12 5RD, UK.

Cancers
|August 14, 2025
PubMed

Insights

New epigenetic drugs show promise for hormone-dependent cancers that resist current treatments. Combining these epigenetic agents with existing therapies may overcome resistance and improve patient outcomes in advanced stages.

Area of Science:

  • Oncology
  • Epigenetics
  • Pharmacology

Background:

  • Hormone-dependent cancers often develop resistance to standard therapies like surgery and hormone-targeting drugs.
  • Epigenetic modulators are increasingly recognized for their roles in cancer development and response to treatment, presenting potential therapeutic targets.
  • There is an urgent need for novel therapeutic strategies to manage recurrent, resistant, or advanced hormone-dependent cancers.

Purpose of the Study:

  • To provide a comprehensive review of epigenetic targets and small-molecule inhibitors in endocrine-related cancers.
  • To summarize the current clinical trial landscape for epigenetic agents in these cancers.
  • To discuss the potential of epigenetic therapies, particularly in combination regimens, for overcoming treatment resistance.

Main Methods:

  • Literature review of epigenetic targets and inhibitors.
  • Analysis of ongoing clinical trials in endocrine-related cancers.
  • Synthesis of evidence regarding the efficacy and challenges of epigenetic agents in monotherapy and combination settings.

Main Results:

  • Numerous small-molecule inhibitors targeting key epigenetic regulators have been developed over the past two decades.
  • Epigenetic agents have demonstrated limited efficacy as monotherapies.
  • Combination regimens involving epigenetic drugs are emerging as a promising strategy to enhance treatment efficacy and overcome resistance.

Conclusions:

  • Epigenetic modulators are attractive targets and biomarkers for endocrine-related cancers.
  • While monotherapy with epigenetic agents has shown limited success, combination therapies offer a viable strategy to improve outcomes.
  • Further research and clinical trials are crucial for integrating epigenetic drugs into the management of advanced endocrine-related cancers.

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