Prognostic indicators of renal disease progression in adults with fabry disease: Natural history data from the Fabry Registry

Christoph Wanner, João P. Oliveira, Alberto Ortiz, Michael Mauer, Dominique P. Germain, Gabor E. Linthorst, Andreas L. Serra, László Maródi, Renzo Mignani, Bruno Cianciaruso, Bojan Vujkovac, Roberta Lemay, Dana Beitner-Johnson, Stephen Waldek, David G. Warnock

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Abstract

Background and objectives: These analyses were designed to characterize renal disease progression in untreated adults with Fabry disease. Design, setting, participants, & measurements: Data from the Fabry Registry for 462 untreated adults (121 men and 341 women) who had at least two estimated GFR (eGFR) values over a span of ≥12 months before starting enzyme replacement therapy were included. Results: Most men (86 of 121, 71%) had more rapid loss of kidney function than the normal adult population (loss of eGFR > -1 ml/min per 1.73 m2 per year), whereas fewer women (133 of 341, 39%) had rapid loss of kidney function. Patients with rapid progression had significantly higher mean averaged urinary protein to urinary creatinine ratios (UP/Cr) than patients with slower progression (1.5 versus 0.2 for men; 1.4 versus 0.5 for women; P < 0.0001). Patients were grouped into quartiles based on averaged UP/Cr; renal function in men declined more rapidly with higher UP/Cr, with the steepest declines observed in men with UP/Cr > 1.5 (mean eGFR slope, -5.6 ml/min per 1.73 m2 per year; n = 30). eGFR slope declined more slowly in women, with the steepest declines observed in women with UP/Cr > 1.2 (mean eGFR slope, -1.3 ml/min per 1.73 m2 per year; n = 85). Regression models of eGFR slope indicated that UP/Cr is the most important indicator of renal disease progression in adult Fabry patients. In women, lower baseline eGFR and age were also associated with renal disease progression. Women who had clinical events had more rapid loss of kidney function. Conclusions: Urinary protein excretion is strongly associated with renal disease progression in men and women with Fabry disease.

Original languageEnglish
Pages (from-to)2220-2228
Number of pages9
JournalClinical Journal of the American Society of Nephrology
Volume5
Issue number12
DOIs
Publication statusPublished - Dec 1 2010

ASJC Scopus subject areas

  • Epidemiology
  • Critical Care and Intensive Care Medicine
  • Nephrology
  • Transplantation

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    Wanner, C., Oliveira, J. P., Ortiz, A., Mauer, M., Germain, D. P., Linthorst, G. E., Serra, A. L., Maródi, L., Mignani, R., Cianciaruso, B., Vujkovac, B., Lemay, R., Beitner-Johnson, D., Waldek, S., & Warnock, D. G. (2010). Prognostic indicators of renal disease progression in adults with fabry disease: Natural history data from the Fabry Registry. Clinical Journal of the American Society of Nephrology, 5(12), 2220-2228. https://doi.org/10.2215/CJN.04340510