Metformin for Treatment of Fragile X Syndrome and Other Neurological Disorders

Ilse Gantois1,2, Jelena Popic1,2, Arkady Khoutorsky3

  • 1Department of Biochemistry, McGill University, Montréal H3A 2T5, Québec, Canada; email: ilse.gantois@mcgill.ca , jelena.popic@mcgill.ca , nahum.sonenberg@mcgill.ca.

Annual Review of Medicine
|October 27, 2018
PubMed

Insights

Metformin, an antidiabetic drug, shows promise for treating Fragile X syndrome (FXS), a common cause of intellectual disability and autism. Research explores its potential to correct core FXS symptoms in humans.

Area of Science:

  • Neuroscience
  • Genetics
  • Pharmacology

Background:

  • Fragile X syndrome (FXS) is the leading inherited cause of intellectual disability and autism spectrum disorder.
  • Loss of fragile X mental retardation protein (FMRP) causes molecular, behavioral, and cognitive deficits in FXS.
  • Animal models have significantly advanced understanding of FXS pathophysiology and identified therapeutic targets.

Purpose of the Study:

  • To review the potential of metformin, an FDA-approved antidiabetic drug, for treating core symptoms of FXS.
  • To explore metformin's efficacy in other human neurological disorders.
  • To summarize metformin's mechanisms of action in various models of FXS and other diseases.

Main Methods:

  • Review of existing literature on FXS.
  • Analysis of studies using animal and cellular models of FXS.
  • Examination of clinical data on metformin's effects in neurological disorders.

Main Results:

  • Metformin demonstrates potential in preclinical models to address FXS-related deficits.
  • The drug's mechanisms of action are being elucidated across different disease models.
  • Evidence suggests possible applications beyond diabetes.

Conclusions:

  • Metformin represents a promising therapeutic candidate for Fragile X syndrome.
  • Further investigation into metformin's neurological effects is warranted.
  • Repurposing metformin could offer a novel treatment strategy for FXS and related disorders.

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