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Metformin: current clinical applications in nondiabetic patients with cancer

Kailin Chen1, Yajun Li2, Zhen Guo3,4

  • 1Key Laboratory of Translational Radiation Oncology, Hunan Province, Department of Radiation Oncology, Hunan Cancer Hospital and The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha 410013, Hunan, P.R. China.

Aging
|February 20, 2020
PubMed

Insights

Metformin, a common type 2 diabetes drug, shows potential anticancer effects in diabetic patients. Research is exploring its controversial role in non-diabetic cancer patients, considering dose, cancer type, and immune response.

Area of Science:

  • Oncology
  • Pharmacology
  • Immunology

Background:

  • Metformin is a widely used oral medication for type 2 diabetes mellitus.
  • Observational studies and systematic reviews suggest metformin may reduce cancer risk and improve cancer treatment efficacy in diabetic patients.

Purpose of the Study:

  • To review the latest findings on metformin's anticancer potential in non-diabetic cancer patients.
  • To discuss factors influencing metformin's efficacy and the need for further research into its immunomodulatory effects.

Main Methods:

  • Systematic review of observational studies and recent research.
  • Analysis of factors contributing to controversial results in non-diabetic populations.
  • Investigation into the immunomodulatory properties of metformin.

Main Results:

  • Evidence suggests metformin may have anticancer effects, but results in non-diabetic cancer patients are controversial.
  • Optimal dosage, treatment schedule, and duration remain unclear.
  • Heterogeneity in cancer subtypes and genotypes may influence clinical benefits.

Conclusions:

  • Metformin's anticancer potential in non-diabetic patients requires further investigation.
  • Understanding the immunomodulatory effects of metformin is crucial for optimizing its clinical use in cancer therapy.
  • Future research should address dose, schedule, duration, and patient heterogeneity.
Keywords:
anticancercancermetforminnondiabetic patientsprevention

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