Nephrology Dialysis Transplantation, Vol 12, Issue 11 2295-2300, Copyright © 1997 by Oxford University Press
I Dedov, M Shestakova, A Vorontzov and E Palazzini
Background: Glycosaminoglycans (GAGs) play an
important role in the physiopathology of diabetic nephropathy; they are
essential for the maintenance of glomerular charge selectivity and their
administration can reduce albuminuria in diabetic patients.
Methods: Following a randomized block design,
controlled versus placebo, we investigated, in
insulin-dependent diabetic patients with micro- or macroalbuminuria,
whether GAG therapy can influence an altered albumin excretion rate (AFR).
Thirty-six patients (18 micro- and 18 macroalbuminuric) were randomized to
receive, during 5 days/week for 3 weeks, either a daily dose of 700
lipoproteinlipase releasing units (LRU) of sulodexide by the i.m. route (9
micro- and 9 macroalbuminuric patients), or a matching i.m. placebo (or
micro- and 9 macroalbuminuric patients). All patients were followed-up for
further 6 weeks. AER was evaluated before treatment, weekly during it and
every 3 weeks during follow-up. Results: Seventeen of
the 18 sulodexide-treated patients showed a trend towards decrease in AER,
more evident and statistically significant in microalbuminurics (P
<0.01 after the first week). At the end of follow-up, AER was still
significantly reduced in microalbuminurics, while macroalbuminurics showed
again increased values. Placebo-treated patients evidenced no AER
variations during all the study period. No statistically significant
differences vs baseline, concerning blood pressure, haematological,
haematochemical and coagulative tests, and urinalysis, were ever observed,
apart from a clear-cut decrease in blood cholesterol and triglycerides at
the end of treatment, in a subgroup of hyperlipidaemic, sulodexide-treated
subjects. No adverse events were registered.
Conclusions: Our results suggest that the GAG
sulodexide exerts a positive activity in type I diabetic patients with
micro- and macroalbuminuria, by reducing the abnormally high AER levels.
Key words: albuminuria; diabetes mellitus; diabetic
nephropathy; glycosaminoglycans
ORIGINAL ARTICLES
A randomized, controlled study of sulodexide therapy for the treatment of diabetic nephropathy
National Research Centre for Endocrinology, Moscow, Russia; Corresponding author at: Medical Department, Alfa Wassermann SpA, Via Ragazzi del '99, 5, I-40133 Bologna, Italy
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