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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02525354
Other study ID # UNH-01-2536-01
Secondary ID
Status Completed
Phase N/A
First received June 15, 2015
Last updated August 13, 2015
Start date October 2001
Est. completion date May 2003

Study information

Verified date July 2015
Source University of New Hampshire
Contact n/a
Is FDA regulated No
Health authority United States: Institutional Review Board
Study type Observational

Clinical Trial Summary

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.


Description:

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.


Recruitment information / eligibility

Status Completed
Enrollment 60
Est. completion date May 2003
Est. primary completion date May 2003
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 18 Years to 40 Years
Eligibility 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.

Study Design

Observational Model: Cohort, Time Perspective: Cross-Sectional


Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
University of New Hampshire

References & Publications (44)

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* Note: There are 44 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Predictors of serum concentration of specific and total IgE antibodies in obesity 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 No
Secondary Relationship between dietary levels of arachidonic, eicosapentanoic, docosahexanoic fatty acids and plasma concentration of leptin in obesity 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. one day No
Secondary Correlation between dietary arachidonic, eicosapentanoic,and docoshexanoic fatty acids and plasma concentration of adiponectin in obesity 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. one day No
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