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Clinical Trial Summary

The investigator's hypothesis is that local activation of the endogenous Lp-PLA2 plays an integral role in early atherosclerosis, and contributes to the mechanism of coronary endothelial dysfunction and to the structural and mechanical properties that characterize plaque vulnerability. Thus, the investigators study will characterize prospectively the correlation between the functional and structural vascular wall properties, and the activity of the Lp-PLA2 pathway.


Clinical Trial Description

The present study was a substudy of our National Institute of Health (NIH) funded and Institutional Review Board (IRB) approved (08-008161) protocol "Lp-PLA2 and Coronary Atherosclerosis in Humans" and (10-000044) "Lp-PLA2 and Coronary Atherosclerosis in Humans Aim III" in which the investigators are examining the impact of long-term inhibition of Lp-PLA2, with a specific novel inhibitor, on Lp-PLA2 activity and improvement in coronary endothelial function.

This substudy will use Optical Coherence Tomography (OCT) to quantify alternate features of plaque vulnerability including superficial microcalcification, fibrous cap thickness, and plaque macrophage content at baseline and again at 6 months following Lp-PLA2 inhibition.

The study will provide insight into the role of the endogenous Lp-PLA2 in early coronary atherosclerosis, a potential therapeutic target for early coronary atherosclerosis in humans. ;


Study Design

Allocation: Non-Randomized, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science


Related Conditions & MeSH terms


NCT number NCT01642173
Study type Interventional
Source Mayo Clinic
Contact
Status Completed
Phase Phase 1
Start date October 2010
Completion date June 2015

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