Emerging applications of hypomethylating agents in the treatment of glioblastoma (Review)

Thenzing J. Silva-Hurtado, Julio F. Inocencio, Raymund L. Yong

Research output: Contribution to journalReview articlepeer-review

Abstract

DNA hypomethylating agents (HMAs) such as decitabine and 5-azacytidine have established roles in the treatment paradigms for myelodysplastic syndrome and acute myelogenous leukemia, where they are considered to exert their anticancer effects by restoring the expression of tumor suppressor genes. Due to their relatively favorable adverse effect profile and known ability to pass through the blood-brain barrier, applications in the treatment of glioblastoma (GBM) and other central nervous system malignancies are under active investigation. The present review examines the types of HMAs currently available, their known and less-understood antineoplastic mechanisms, and the evidence to date of their preclinical and clinical efficacy in glioblastoma and other solid malignancies. The present review discusses the potential synergies HMAs may have with established and emerging GBM treatments, including temozolomide, immune checkpoint inhibitors and cancer vaccines. Recent successes and setbacks in clinical trials for newly diagnosed and recurrent GBM are summarized in order to highlight opportunities for HMAs to improve therapeutic responses. Challenges for future clinical trials are also assessed.

Original languageEnglish
Article number59
JournalMolecular and Clinical Oncology
Volume21
Issue number3
DOIs
StatePublished - Sep 2024

Keywords

  • decitabine
  • glioblastoma
  • hypomethylating agent
  • immunotherapy
  • temozolomide

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