Mechanisms Regulating Wound Vascularization

Status Terminated

Clinical Trial Summary

This pilot study is designed to assess the impact of ischemia/ diminished wound vascularization and stress on wound healing by comparing patterns of gene expression in specific cell types critical to wound healing biology, e.g. macrophages or endothelial cells.

Clinical Trial Description

Chronic wounds affect approximately 2% of the U.S. population at any given time. Animal models can not simulate the complex set of pre-existing conditions in each individual that results in failed wound healing. Therefore, human subjects must be used to obtain valid data. Adequate wound vascularization that permits blood vessels to deliver oxygen to the wound is a requirement for wound healing to occur. This protocol will attempt to gain greater understanding of the mechanisms of chronic wounds through 3 specific aims: 1) identify the angiogenic mechanisms in wound site macrophages, which are required for healing, 2) determine the impact of stress and glucocorticoid resistance on endothelial cell and macrophage biology and ultimately wound healing outcomes, 3) identify patterns of gene expression in wound endothelial cells that are found in healing versus non-healing wounds. This data will be correlated with the wound oxygenation status to determine the impact of wound vascularization on the observed biological responses. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00737321
Study type	Observational
Source	Ohio State University
Contact
Status	Terminated
Phase
Start date	August 2008
Completion date	December 2018

View Details

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