Condition: Fabry Disease · Sponsor: University of Minnesota
The investigators will perform a study with two major components. The first is a natural history study of untreated Fabry patients. This study component will detail kidney microscopic structural changes in Fabry patients before starting enzyme replacement therapy and will correlate these changes with kidney function, including glomerular filtration rate and urinary albumin excretion rate. The investigators will perform studies on samples obtained at baseline, or before enzyme replacement therapy is initiated. The goal of our study is to find kidney microscopic changes in the biopsies that are associated with kidney disfunction. Our hypotheses for this study are: 1. Much of the natural history of Fabry renal structural changes will occur without detectable renal functional alterations. 2. Structural changes associated with the initial onset of proteinuria and those associated with the subsequent progressive loss of filtration function will differ and will be best described by non-linear models. 3. There will be sufficient precision of Fabry renal structural-functional relationships to support renal structure as an acceptable clinical trial surrogate endpoint for later renal functional deterioration. The second component examines the effects of age and gender at start of enzyme replacement therapy (ERT), as well as dosage levels of ERT on the renal cellular clearance of GL3 from Fabry patients by comparing baseline to follow-up kidney biopsies performed 5, 11, and 60 months l…
This description comes directly from the study's public registry record.
Michael Mauer, MD · 612-626-2720 · mauer002@umn.edu
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| University of Minnesota | Minneapolis, Minnesota, United States | Recruiting |
| Universtity of Minnesota, Department of Pediatric Nephrology | Minneapolis, Minnesota, United States | Recruiting |
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Source record: clinicaltrials.gov/study/NCT01581424