MAP-Calcification: MicroRNAs as Potential Biomarkers for Coronary Artery

Status Completed

Clinical Trial Summary

Coronary artery disease (CAD) remains the leading cause of mortality in the UK with an estimated 80,000 fatalities in 2010. Coronary artery calcification (CAC) is associated with atherosclerotic plaque burden and cardiovascular mortality. Mechanisms underlying isolated CAC have not been as yet been fully explained. MicroRNAs (miRNAs), known to act as regulators of gene expression, have also emerged as powerful biomarkers in the diagnosis and prognosis of cardiovascular disorders and may be used in the detection of CAC. We aim to investigate the potential for a "microRNA-signature" in patients with CAC by performing a prospective, case-controlled study to identify pathways associated with CAC in humans. Previous research has demonstrated an inverse relationship between CAC and bone mineral density (BMD), suggesting that these processes may be linked. In a further substudy we plan to define the relationship between CAC and BMD as well as a number of markers of bone metabolism.

Clinical Trial Description

Patients will be prospectively enrolled whilst attending for elective coronary CT (computed tomography) angiography including a coronary calcium score, at the Royal Surrey County Hospital. Data regarding demographic and clinical characteristics of patients will be collected. Peripheral venous blood sampling will take place on this occasion. Coronary artery calcification scores will be estimated by a Radiologist using default software. Patients eligible for the bone metabolism substudy will be required to attend the University of Surrey for peripheral Quantitative Computed Tomography (pQCT) of bone mineral composition of the radius. In the intervening period we will ask them to complete a 4-day food diary and wear a UV dosimeter, the latter to assess typical UV exposure, for one week. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01992848
Study type	Interventional
Source	University of Surrey
Contact
Status	Completed
Phase	N/A
Start date	November 2013
Completion date	August 2016

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

MAP-Calcification: MicroRNAs as Potential Biomarkers for Coronary Artery Calcification

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms