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The purpose of this study is to test a protocol investigating the efficacy of omega-3 fatty acids in treating dry eye disease. The study is termed "feasibility" because its purpose is to demonstrate an ability to execute the proposed protocol with compliance at two sites rather than generate statistically relevant data concerning the safety and efficacy of the supplement in patients with dry eye disease.
Dry eye disease (DED) is a common but often inadequately treated disease of the tears and surface of the eye. It can cause poor vision and chronic pain and is more frequent with increasing age. Inflammation may be an important component of this disease. This is supported by the observation that cyclosporine, a drug that targets the immune system, is approved for and effectively treats DED. Inflammatory processes likely produce ocular surface damage and contribute to chronic DED. Because not all people with DED respond to current anti-inflammatory treatments, other immune-modulating treatments would be of value. Furthermore, despite a great deal of evidence supporting DED as an inflammatory disease, not all researchers currently agree with this classification. More data that specifically measures inflammatory responses in DED needs to be collected in a well-characterized patient population and correlated with signs and symptoms of DED in order to improve our understanding and classification of the disease.
Essential Fatty Acids (EFA) have been shown to diminish inflammatory responses in many human inflammatory diseases, and interest in the use of omega-3 and omega-6 fatty acids for disease treatment has resulted in several small studies as well as the use (and over-the-counter availability) of EFA-containing nutritional supplements, including several specifically for the treatment of DED. Despite this interest in EFA for DED, there are no strong empirical data from a well-controlled randomized controlled trial RCT supporting the use of EFA for DED. We postulate that DED is an inflammatory disease and hypothesize that EFA can mediate immune responses, thus improving DED signs, symptoms and associated measures of inflammation. The proposed three month feasibility study allows us the chance to demonstrate our ability to successfully execute our own protocol with compliance from the study patients before we begin the process of initiating a full-scale multi-center trial.
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment
Dry Eye Disease
Omega-3 Essential Fatty Acid (EFA) Supplement, Olive Oil
Mount Sinai School of Medicine
Asbell, Penny, M.D.
Published on BioPortfolio: 2014-08-27T03:14:38-0400
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A group of fatty acids, often of marine origin, which have the first unsaturated bond in the third position from the omega carbon. These fatty acids are believed to reduce serum triglycerides, prevent insulin resistance, improve lipid profile, prolong bleeding times, reduce platelet counts, and decrease platelet adhesiveness.
A common saturated fatty acid found in fats and waxes including olive oil, palm oil, and body lipids.
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A 20-carbon branched chain fatty acid. In phytanic acid storage disease (REFSUM DISEASE) this lipid may comprise as much as 30% of the total fatty acids of the plasma. This is due to a phytanic acid alpha-hydroxylase deficiency.
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