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Fabry disease

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Fabry disease is an X-linked recessive disease where the defect in of storage of sphingolipid. Females can be mildly affected.

The underlying deficiency is of alpha-galactosidase, resulting in the accumulation of alpha-galactosyl- lactosyl-ceramide in various tissues, including kidney, liver, blood vessels and nerve ganglion cells.

The incidence is estimated at about one in 40,000 males - the condition is found in all ethnicities

  • due to the constellation of presenting symptoms as well as some mutations allowing limited alphagalactosidase A activity, the actual incidence of Fabry's, including atypical, sub-clinical or late-variant phenotypes is likely to be much higher, even as high as 1 in about 3,100 male births (2)

The disease is also known as Anderson-Fabry disease (after William Anderson, a German physician, and Johann Fabry, a German physician, who independently published articles in 1898 describing this condition), Morbus Fabry and angiokeratoma corporis diffusum universale.

The cardiomyopathy associated with Fabry's disease manifests mainly as LVH (3)

  • enzyme replacement therapy is available and generally well-tolerated
    • is evidence that this therapy may result in a decrease in pain and an improvement in cardiac and renal function (1)
    • usual treatment for Fabry disease is migalastat or enzyme replacement therapy (ERT) with agalsidase alfa or agalsidase beta (4)
      • Pegunigalsidase alfa is another ERT
      • linical trial evidence shows that pegunigalsidase alfa works as well as agalsidase beta. There is no direct clinical trial evidence comparing pegunigalsidase alfa with agalsidase alfa or migalastat

Reference:

  1. Dermatology in Practice (2003), 11 (6), 24-7.
  2. Morrissey RP, Philip KJ, Schwarz ER. Cardiac abnormalities in Anderson-Fabry disease and Fabry's cardiomyopathy. Cardiovasc J Afr. 2011 Jan-Feb;22(1):38-44.
  3. Pieroni M et al. Cardiac Involvement in Fabry Disease: JACC Review Topic of the Week. J Am Coll Cardiol. 2021 Feb 23;77(7):922-936.
  4. NICE (October 2023). Pegunigalsidase alfa for treating Fabry disease

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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