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Clinical Trial Summary

Chronic Venous Disease (CVD) has a high prevalence in the general population of the western world. Varicose veins are the main signs of this disease that are characterized by important pathological vessel wall changes. There are also several symptoms that affect the quality of life of affected patients. The aim of this study is to correlate the main histopathological abnormalities with the type and the intensity of the symptoms.


Clinical Trial Description

Chronic Venous Disease (CVD) of the lower limbs is a widespread chronic condition of the western world. There are several signs and symptoms that affect quality of life of patients with CVD. One of the main signs of this disease are varicose veins that are enlarged, swollen, and twisting superficial veins. Vessel wall of varicose veins shows a significant histopathological phenotype, characterized by a distortion of structural architecture: endothelial damage, disorganization of muscle bundles and alteration of the composition of the extracellular matrix (ECM). Symptoms may be different, according to disease state, progression and local inflammatory processes. To date, there is no study that correlate the type and the intensity of symptoms with histopathological phenotype.

Aim of this study is to correlate histopathological phenotype with clinical manifestations.

A cohort of patients with varicose veins scheduled for open surgical treatment that will undergo to stab avulsion of varicose veins will be recruited. Subsequently, venous tissue from stab avulsion will collected in order to evaluate the following biomarkers: VEGF (Vascular -Endothelial Growth Factor), PGP 9.5 (Protein Gene Product 9.5), Fibronectin and Matrix Metalloproteinase- 9 (MMP-9).

VEGF has a key role as a regulator of angiogenesis; its expression is highly regulated by hypoxia, in this case induced by venous hypertension. In addition to being a marker of neoangiogenesis, it increases vascular permeability in inflammatory disorders. PGP 9.5 is a marker of the innervation of the vessel wall that plays an important role in the regulation of venous tone. Fibronectin and MMP-9 are direct markers of ECM remodeling and impairment and they have also a role in chronic inflammation. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04436549
Study type Observational
Source University of Catanzaro
Contact Raffaele Serra, M.D., Ph.D.
Phone +3909613647380
Email rserra@unicz.it
Status Recruiting
Phase
Start date December 1, 2019
Completion date October 1, 2020

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