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The aim of this trial is to determine the efficacy of a combination of two botanicals oils, borage seed oil and echium seed oil, as a potential treatment for bronchial asthma.
Leukotrienes are important in the pathogenesis of inflammation, and leukotriene modifying drugs are now an established treatment for bronchial asthma and rhinitis. Drugs that inhibit the biosynthesis of leukotrienes are likely to be more effective than the currently available drugs that antagonize a single leukotriene receptor. Dietary supplementation with gamma linolenic acid (GLA) in borage seed oil provides effective inhibition of leukotriene generation but also increases circulating free arachidonic acid (AA), which has pro-inflammatory potential. The n-3 fatty acid, eicosapentaenoic acid (EPA), prevented the conversion of GLA to AA. However, EPA is extracted from fish oil, is not well-tolerated due to its taste, and at higher doses appeared to blunt the inhibition of leukotriene biosynthesis by GLA. Stearidonic acid (SDA) is a precursor of EPA that is extracted from Echium plantagineum; it is converted to EPA in humans and it does not have the organoleptic properties of EPA.
We recently completed a dose-ranging study in which we determined the dose of SDA that is sufficient to inhibit the rise in circulating levels of arachidonic acid while maintaining effective inhibition of leukotriene generation.
The goal of the present study is to test the efficacy of dietary supplementation with GLA and SDA (provided in borage seed oil and echium seed oil) in treating bronchial asthma.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Borage Seed Oil and Echium Seed Oil, Corn Oil
Asthma Research Center, Brigham and Women's Hospital
Brigham and Women's Hospital
Published on BioPortfolio: 2014-08-27T03:25:43-0400
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A group of alcohol-soluble seed storage proteins from the endosperm of corn.
A plant species of the family POACEAE. It is a tall grass grown for its seed, corn, used as food and animal fodder.
One or more types of plant seed proteins providing the large amounts of AMINO ACIDS utilized in GERMINATION and SEEDLING growth. As seeds are the major food source from AGRICULTURAL CROPS, seed storage proteins are a major source of DIETARY PROTEINS.
A subset of various vascular plants (also known as the Tracheophyta) which include seed-bearing and non seed-bearing species.
The state of failure to complete the process of GERMINATION of an intact viable seed, due to intrinsic physical, molecular, genetic, or physiological parameters under otherwise favourable prevailing conditions.
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Pulmonary relating to or associated with the lungs eg Asthma, chronic bronchitis, emphysema, COPD, Cystic Fibrosis, Influenza, Lung Cancer, Pneumonia, Pulmonary Arterial Hypertension, Sleep Disorders etc Follow and track Lung Cancer News ...