Omacor & Placebo in Carotid Plaque Stability

Status Completed

Clinical Trial Summary

The purpose of this study is to investigate the effect of intake of Omacor (Omega-3-acid ethyl ester 90) 2g/day on specified parameters related to the stability of carotid plaque in patients awaiting endarterectomy.

Clinical Trial Description

There is evidence both from epidemiological studies and large clinical trials that consumption of long-chain Omega-3 polyunsaturated fatty acids (PUFA) found in oily fish and fish oils, protects against cardiovascular disease in Western Populations. The large clinical trial GISSI-Prevention showed radical reductions in Cardiovascular Disease and Sudden Cardiac Death after the intake of Omega-3 PUFA, and statistically significant effects were seen after only a few months of use.

One of the models for explaining this markedly effect hypothesizes that Omega-3 PUFA, with its anti inflammatory effects, might act to stabilize atherosclerotic plaques by decreasing infiltration of inflammatory cells into the plaques and/or by decreasing the activity of these cells once resident in the plaque. A previous clinical study has showed increased incorporation of the Omega-3 fatty acids EPA and DHA in carotid plaque after intake of Omega-3 PUFA. The morphological properties of the plaque was also altered, showing thicker fibrous caps and less inflammation determined by the AHA and modified AHA classification.

These findings are important to confirm. Secondly additional indicators of plaque stability are required to strengthen the hypothesis. Also the mechanisms by which the morphological changes come about need to be identified. The model that is being used assesses structural changes associated with plaque rupture and instability through different important variables.

Comparisons: Double blind comparison of Omacor 2g/day and placebo in patients awaiting endarterectomy. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00294216
Study type	Interventional
Source	Pronova BioPharma
Contact
Status	Completed
Phase	Phase 3
Start date	August 2003
Completion date	July 2005

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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.

Omacor and Placebo in Carotid Plaque Stability

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms