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- Essai clinique NCT02525354
Dietary Arachidonic Acid, Obesity and Atopic Respiratory Disease
13 août 2015 mis à jour par: Anthony R. Tagliaferro, University of New Hampshire
Obesity and Atopic-related Respiratory Disease: Possible Role of Dietary Omega 6 and 3 Fatty Acids
Epidemiological studies have shown obesity to be a risk factor of asthma.
Research evidence of obesity and atopic(ie.
allergic)-related respiratory diseases, has been less clear.
The purpose of the present study was to test the hypothesis that the relationship between obesity and atopic-related respiratory disease in premenopausal women is mediated by a dietary imbalance of omega 6 and 3 polyunsaturated fatty acids.
Aperçu de l'étude
Description détaillée
Sixty young adult obese and non obese women, with, and without asthma, were studied using a cross-sectional design.
Body composition was measured by plethysmography.
A fasted blood sample was taken to measure: specific and total immunoglobulin (IgE) antibodies,biochemical markers of atopy; glucose and insulin to measure insulin sensitivity; estrogen(17β-estradiol) and sex hormone-binding globulin to measure estrogen status of the women; hormone-products of fat tissue ( leptin, adiponectin, resistin, tumor necrosis factor alpha (TNFα), interleukins (IL-6,IL-18), that have been associated with both obesity and immune processes involved in asthma and allergy.
Dietary intake of omega 6: linoleic acid (LA), arachidonic acid(AA); and omega 3 fatty acids: α linolenic (ALA), eicosapentanoic (EPA) and docosahexanoic (DHA) and other nutrients were assessed by food frequency questionnaire.
Type d'étude
Observationnel
Inscription (Réel)
60
Critères de participation
Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.
Critère d'éligibilité
Âges éligibles pour étudier
18 ans à 40 ans (Adulte)
Accepte les volontaires sains
Oui
Sexes éligibles pour l'étude
Femelle
Méthode d'échantillonnage
Échantillon non probabiliste
Population étudiée
Female subjects were recruited from the University and surrounding local communities, using posted flyers, website announcements, personal announcements in classes, referrals from local physicians, and word of mouth.
Prospective subjects were interviewed initially by telephone.
La description
Inclusion Criteria:
- For asthmatics, only individuals that were willing and capable of not using asthma medications for two days prior to laboratory testing.
Exclusion Criteria:
- An individual was excluded from the study if she had a history of high blood pressure, diabetes, heart disease, cigarette smoking, or eating disorders.
- Women that were pregnant or lactating.
Plan d'étude
Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.
Comment l'étude est-elle conçue ?
Détails de conception
Que mesure l'étude ?
Principaux critères de jugement
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Predictors of serum concentration of specific and total IgE antibodies in obesity
Délai: one day
|
Measures of insulin sensitivity, plasma concentrations of leptin, adiponectin, , estrogen, IL-18,and dietary arachidonic, eicosapentanoic, docosahexanoic fatty acids were entered as independent variables; and serum concentration of specific and total IgE antibodies as dependent variable, in a forward stepwise multivariate linear regression analysis to identify which factor(s) had the greatest influence on serum concentrations of IgE antibodies in obesity.
|
one day
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Mesures de résultats secondaires
Mesure des résultats |
Description de la mesure |
Délai |
---|---|---|
Relationship between dietary levels of arachidonic, eicosapentanoic, docosahexanoic fatty acids and plasma concentration of leptin in obesity
Délai: one day
|
Dietary intake of the omega 6 and 3 fatty acids of were analyzed in relation to plasma concentration of leptin in obese and non obese women.
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one day
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Correlation between dietary arachidonic, eicosapentanoic,and docoshexanoic fatty acids and plasma concentration of adiponectin in obesity
Délai: one day
|
Dietary intake of the omega 6 and 3 fatty acids of were analyzed in relation to plasma concentration of adiponectin in obese and non obese women.
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one day
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Collaborateurs et enquêteurs
C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.
Parrainer
Publications et liens utiles
La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.
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Dates d'enregistrement des études
Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.
Dates principales de l'étude
Début de l'étude
1 octobre 2001
Achèvement primaire (Réel)
1 mai 2003
Achèvement de l'étude (Réel)
1 mai 2003
Dates d'inscription aux études
Première soumission
15 juin 2015
Première soumission répondant aux critères de contrôle qualité
13 août 2015
Première publication (Estimation)
17 août 2015
Mises à jour des dossiers d'étude
Dernière mise à jour publiée (Estimation)
17 août 2015
Dernière mise à jour soumise répondant aux critères de contrôle qualité
13 août 2015
Dernière vérification
1 juillet 2015
Plus d'information
Termes liés à cette étude
Mots clés
Termes MeSH pertinents supplémentaires
Autres numéros d'identification d'étude
- UNH-01-2536-01
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