Unexploited Antineoplastic Effects of Commercially Available Anti-Diabetic Drugs

Panagiota Papanagnou1, Theodora Stivarou2, Maria Tsironi3

  • 1Department of Nursing, Faculty of Human Movement and Quality of Life Sciences, University of Peloponnese, Orthias Artemidos and Plateon St, Sparti GR-23100, Greece. panagiota1983rr@yahoo.com.

Insights

Repurposing diabetes drugs like metformin and pioglitazone shows promise for cancer treatment. These existing medications offer a less toxic, faster route to new oncology therapies with proven clinical experience.

Area of Science:

  • Oncology
  • Pharmacology
  • Drug Repurposing

Background:

  • Developing new antitumor agents is costly, time-consuming, and lacks clinical experience.
  • Existing non-antineoplastic drugs may possess pleiotropic effects with anti-cancer activity.
  • Repurposing established medications offers a potential alternative to novel drug development.

Purpose of the Study:

  • To review the anticancer properties of metformin and pioglitazone, commonly used for type II diabetes mellitus.
  • To discuss their mechanisms of action, pre-clinical and clinical data, and clinical applicability in oncology.
  • To highlight the potential of repurposing these drugs for less toxic cancer therapies.

Main Methods:

  • Literature review of pre-clinical (in vitro, in vivo) and clinical studies.
  • Analysis of the mode of action of metformin and pioglitazone against cancer cells.
  • Evaluation of clinical applicability and safety profiles of these drugs in an oncology context.

Main Results:

  • Metformin and pioglitazone exhibit multi-level anti-cancer activity and chemosensitizing properties.
  • Evidence suggests these drugs can be effective against various cancer types.
  • Existing clinical data supports their potential use in cancer treatment regimens.

Conclusions:

  • Repurposing metformin and pioglitazone is a viable strategy for developing novel cancer therapies.
  • These drugs offer a potentially less toxic alternative to conventional chemotherapy agents.
  • Harnessing their anti-cancer functions can accelerate the translation of research findings to clinical practice.

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