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Effects of sulodexide in patients with type 2 diabetes and persistent albuminuria.

Author(s): Heerspink HL, Greene T, Lewis JB, Raz I, Rohde RD, Hunsicker LG, Schwartz SL, Aronoff S, Katz MA, Eisner GM, Mersey JH, Wiegmann TB, Collaborative Study Group

Affiliation(s): Department of Clinical Pharmacology University Medical Center Groningen, University of Groningen, A. Deusinglaan, 19713 AV Groningen, The Netherlands. H.J.Lambers.Heerspink@med.umcg.nl

Publication date & source: 2008-06, Nephrol Dial Transplant., 23(6):1946-54. Epub 2007 Dec 18.

Publication type: Multicenter Study; Randomized Controlled Trial

BACKGROUND: Urinary albumin excretion frequently persists in diabetic patients who are treated with angiotensin-converting enzyme inhibitors (ACEI) or angiotensin receptor blockers (ARB). Sulodexide, a glycosaminoglycan mixture of 80% heparan sulfate and 20% dermatan sulfate, has been hypothesized to reduce persistent albuminuria. We have conducted a multi-center randomized double-blind pilot study in order to determine the effect of 6 months' therapy with sulodexide on urinary albumin excretion and to address logistical issues for a full-scale trial. METHODS: A total of 149 patients with type 2 diabetes and an albumin:creatinine ratio (ACR) between 20 and 300 mg/g were randomized with equal allocation to either placebo, 200 mg of sulodexide or 400 mg of sulodexide. The primary endpoint was the achievement, at 6 months, of either 3(1) return to normoalbuminuria (ACR < 20 mg/g with a decrease of at least 25%) or (2) a decrease in ACR of at least 50% from the baseline value. All patients used a maximum tolerated recommended FDA approved dose of an ACEI or ARB for at least 60 days and had stable blood pressure prior to randomization. RESULTS: The primary efficacy endpoint was achieved in 25.3% of the patients in the two sulodexide groups combined versus 15.4% of the placebo-treated patients (P = 0.26). The primary endpoint was achieved in 33.3% (P = 0.075 for the comparison to placebo) in the sulodexide 200 mg group and 18.4% (P = 0.781) in the sulodexide 400 mg group. (No consistent patterns of side effects were observed. CONCLUSION: Based on the experience gained in this pilot study, one full-scale trial is currently being conducted to evaluate the effects of sulodexide on change in ACR in patients with persistent microalbuminuria, and a longer-term trial is underway to evaluate the effects of sulodexide on long-term renal disease progression in patients with overt proteinuria.

Page last updated: 2008-08-11

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