Journal
AMERICAN JOURNAL OF KIDNEY DISEASES
Volume 58, Issue 5, Pages 729-736Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.ajkd.2011.06.020
Keywords
Sulodexide; microalbuminuria; diabetic nephropathy; glycosaminoglycans; albuminuria
Categories
Funding
- Keryx Biopharmaceuticals Inc.
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Background: Sulodexide, a heterogenous group of sulfated glycosaminoglycans, includes low-molecular-weight heparin (similar to 80% +/- 8%), high-molecular-weight heparin (similar to 5% +/- 3%), and dermatan (similar to 20% +/- 8%), with a mean molecular weight of similar to 9 kDa. The drug is absorbed orally and has no anticoagulant effect in the doses used. Small preliminary studies consistently showed sulodexide to be associated with decreased albuminuria in patients with diabetes. Study Design: We conducted a multicenter placebo-controlled double-blinded study to determine the effect of sulodexide on urine albumin excretion in patients with type 2 diabetic nephropathy. Setting & Participants: Patients with type 2 diabetes and urine albumin-creatinine ratios (ACRs) of 35-200 mg/g in men and 45-200 mg/g in women were enrolled. Serum creatinine level was <1.5 mg/dL. Blood pressure goal was 130/80 mm Hg. A maximum US Food and Drug Administration-approved dose of an angiotensin-converting enzyme inhibitor or angiotensin receptor blocker for a minimum of 4 months before randomization was required. Intervention: The study drug was sulodexide, 200 mg/d. Outcome & Measurements: The primary end point was normoalbuminuria (ACR <20 mg/g and a decrease >25%) or 50% decrease in baseline ACR. Results: In 1,056 randomly assigned patients with a mean baseline ACR of 107.8 +/- 83.7 mg/g, comparing the sulodexide versus placebo groups, the primary end point was achieved in 16.5% versus 18.4%; normoalbuminuria, in 7.9% versus 6.1%; and a 50% decrease in albuminuria, in 15.4% versus 17.6%. The relative probability of any given change in albuminuria was identical in both groups. Limitations: We were unable to determine whether the administered sulodexide was absorbed from the gastrointestinal tract. Conclusion: Sulodexide failed to decrease urine albumin excretion in patients with type 2 diabetic nephropathy and microalbuminuria. Am J Kidney Dis. 58(5):729-736. (C) 2011 by the National Kidney Foundation, Inc.
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