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CEN Case Rep. 2015 Apr 01;4(1):20-23. doi: 10.1007/s13730-014-0132-3.

Alendronate associated focal segmental glomerulosclerosis: a case report and review of the literature.

CEN case reports

Pranav S Garimella, Helmut G Rennke, James A Strom

Affiliations

  1. Division of Nephrology, Tufts Medical Center, 800 Washington St, Box 391, Boston, MA 02411, USA, [email protected].
  2. Division of Pathology, Brigham and Women's Hospital, Boston, USA.
  3. Division of Nephrology, St. Elizabeth Medical Center, Boston, USA.

PMID: 26101727 PMCID: PMC4473777 DOI: 10.1007/s13730-014-0132-3

Abstract

Although kidney injury associated with intravenous bisphosphonate therapy is well documented, there are very few reported instances of oral bisphosphonate therapy leading to focal segmental glomerulosclerosis (FSGS) and kidney failure. We report the case of a 79-year-old woman who developed acute kidney injury due to collapsing FSGS while receiving therapy with weekly oral alendronate therapy for osteoporosis. Withdrawal of alendronate and treatment with corticosteroids resulted in partial recovery of kidney function for a period of 16 months until she developed progressive kidney failure needing long-term dialysis. This case report and the literature review highlight the fact that oral bisphosphonates may be associated with a risk of developing FSGS.

Keywords: Alendronate; Bisphosphonate; Collapsing glomerulosclerosis; Dialysis; FSGS; Proteinuria

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