Ultrasound-Controlled Prodrug Activation: Emerging Strategies in Polymer Mechanochemistry and Sonodynamic Therapy

Xuancheng Fu, Xiaoran Hu

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations

Abstract

Ultrasound has gained prominence in biomedical applications due to its noninvasive nature and ability to penetrate deep tissue with spatial and temporal resolution. The burgeoning field of ultrasound-responsive prodrug systems exploits the mechanical and chemical effects of ultrasonication for the controlled activation of prodrugs. In polymer mechanochemistry, materials scientists exploit the sonomechanical effect of acoustic cavitation to mechanochemically activate force-sensitive prodrugs. On the other hand, researchers in the field of sonodynamic therapy adopt fundamentally distinct methodologies, utilizing the sonochemical effect (e.g., generation of reactive oxygen species) of ultrasound in the presence of sonosensitizers to induce chemical transformations that activate prodrugs. This cross-disciplinary review comprehensively examines these two divergent yet interrelated approaches, both of which originated from acoustic cavitation. It highlights molecular and materials design strategies and potential applications in diverse therapeutic contexts, from chemotherapy to immunotherapy and gene therapy methods, and discusses future directions in this rapidly advancing domain.

Original languageEnglish (US)
JournalACS Applied Bio Materials
DOIs
StateAccepted/In press - 2024

Keywords

  • drug delivery
  • mechanophores
  • polymer mechanochemistry
  • prodrugs
  • sonochemistry
  • sonodynamic therapy
  • sonosensitizers
  • ultrasound

ASJC Scopus subject areas

  • Biomaterials
  • General Chemistry
  • Biomedical Engineering
  • Biochemistry, medical

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