Quinazoline alpha-adrenoreceptor blockers as an adjunct cancer treatment: From bench to bedside

Liam King1, David Christie2, Wendy Dare3

  • 1School of Pharmacy and Pharmacology, Griffith University, Queensland, Australia; Ramsay Pharmacy, John Flynn Private Hospital, Queensland, Australia.

Insights

Alpha-1 adrenoreceptor blockers, initially used for hypertension, show potential as cancer treatments. This review explores their cytotoxic properties and mechanisms for clinical application.

Area of Science:

  • Oncology
  • Pharmacology

Background:

  • Drug repurposing is a key strategy for novel cancer therapies.
  • Alpha-1 adrenoreceptor blockers are established treatments for hypertension and benign prostatic hyperplasia.
  • Quinazoline derivatives within this class exhibit cytotoxic effects.

Purpose of the Study:

  • To review evidence on the anti-cancer properties of alpha-1 adrenoreceptor blockers.
  • To investigate the mechanisms underlying their cytotoxic effects.
  • To assess the potential clinical application of these agents in cancer therapy.

Main Methods:

  • Literature review of preclinical and clinical studies.
  • Analysis of cytotoxic and anti-cancer mechanisms.
  • Evaluation of drug repurposing potential.

Main Results:

  • Certain alpha-1 blockers, particularly quinazoline derivatives, demonstrate significant cytotoxic activity against cancer cells.
  • Mechanisms include induction of apoptosis and inhibition of cell proliferation.
  • Evidence suggests potential therapeutic benefits in various cancer types.

Conclusions:

  • Alpha-1 adrenoreceptor blockers represent a promising avenue for cancer drug repurposing.
  • Further research is warranted to translate these findings into clinical cancer treatments.

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