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Rivista di Angiologia
Official Journal of the , the International Union of Phlebology and the
Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
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International Angiology 2015 Dicembre;34(6):589-96
Sulodexide suppresses inflammation in patients with chronic venous insufficiency
Urbanek T. 1, Zbigniew K. 2, Begier-Krasińska B. 3, Baum E. 4, Bręborowicz A. 4 ✉
1 Department of General and Vascular Surgery, Medical University of Silesia, Katowice, Poland;
2 Department of General and Vascular Surgery, Poznan University of Medical Sciences, Poznan, Poland;
3 Department of Hypertension, Poznan University of Medical Sciences, Poznan, Poland;
4 Department of Pathophysiology, Poznan University of Medical Sciences, Poznan, Poland
AIM: According to previously performed studies, inflammation plays a crucial role in vein wall and leg tissue injury related to chronic venous insufficiency (CVI) development. Sulodexide (SUL) is a balanced mix of glycosaminoglycans with potential anticoagulant and profibrinolytic activity, also protecting endothelial cells and suppressing inflammatory reactions in various vascular disease-related conditions. The goal of the present study was to evaluate the anti-inflammatory action of SUL in patients with CVI.
METHODS: The study was performed on a group of 11 patients with chronic venous disease (stage C5 according to CEAP classification). The mean age of the patients was 58.4±7.7 years, and none of them were diabetic. The patients were treated for 8 weeks with orally-administered SUL (2 x 500 LSU/day). Blood samples were collected at the start and at the end of the study for measurement of MMP-9, IL-6 and monocyte chemoattractant protein-1 (MCP-1). Additionally, the effect of the obtained serum samples on the function of human venous endothelial cells (HVEC) in in-vitro culture was evaluated.
RESULTS: After treatment with SUL, the serum concentration of MMP-9 (ng/mL) decreased from 6.50±3.48 to 5.41±1.36, P<0.05, and the concentration of IL-6 (pg/mL) decreased from 11.5±3.4 to 10.1±2.3, P<0.005. There was also a trend of decreased serum MCP-1 (pg/mL) from 31.3±23.0 before treatment to 27.1±10.7 at the end. Intracellular generation of oxygen-derived free radicals in HVEC maintained in in-vitro culture was lower in the serum samples collected after treatment with SUL: 3.09±0.35 abs/μg protein vs. 3.63±0.32 abs/μg protein, at the start, P<0.05. Synthesis of IL-6 was lower in HVEC exposed in vitro to serum collected at the end of SUL treatment: 1.02±0.31 ng/μg cell protein vs. 1.32±0.41 ng/μg cell protein before SUL treatment. The proliferation rate of HVEC was similar in serum collected at the beginning and at the end of SUL treatment.
CONCLUSION: We conclude that treatment with SUL in patients with CVI reduces intravascular inflammation and is protective for the endothelial cells and for the extracellular matrix changes related to metalloproteinase expression.