- ICH GCP
- 미국 임상 시험 레지스트리
- 임상시험 NCT00005233
Patterns of Fatty Acids in Framingham Offspring
연구 개요
상세 설명
BACKGROUND:
In 1988, research suggested that high intake of saturated fat increased the risk of cardiovascular disease and cancer, and feeding polyunsaturated fatty acids decreased plasma lipid values. However, understanding of the roles of specific types of fatty acids in nutrition and health remained limited. This was primarily because the technology for analysis of fatty acid compositions in human tissue had only recently achieved the required specificities and secondarily because application of the technology on the large scale of an epidemiologic study had to await recent advances in automation of the chromatography. Also intervention studies, aimed at reducing dietary intake of polyunsaturated fatty acids for long periods of time, were either impractical or unethical. The study was conducted to confirm preliminary results suggesting greater prevalence of low levels of essential fatty acids, particularly w3 fatty acids, among people with cardiovascular disease and hypertension, and to provide further confirmatory evidence to results that hyperlipidemia was inversely associated with essential fatty acid levels.
DESIGN NARRATIVE:
Subjects were randomly selected from existing lists so that six men and six women were selected from each age-year group from 30 to 69 broken down as follows: ages 30-34; 35-39; 40-44; 45-49; 50-54; 55-59; 60-64; 65-69. Plasma samples for these subjects were retrieved from storage in batches and analyzed. The prevailing distribution of fatty acids in the general population was calculated. The interrelationships were studied among levels of fatty acids, particularly w3 and w6 fatty acids, with lipoproteins and apolipoproteins. Relationships among fatty acid compositions of different lipid fractions were explored and their relationship with various cardiovascular risk factors were evaluated. Over 60 fatty acids were quantitated using capillary gas-liquid chromatography. Tables of reference values were produced for the general population and for selected subpopulations. Multivariate analysis was used to correlate fatty acids and other biochemical markers.
The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.
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이 정보는 변경 없이 clinicaltrials.gov 웹사이트에서 직접 가져온 것입니다. 귀하의 연구 세부 정보를 변경, 제거 또는 업데이트하도록 요청하는 경우 register@clinicaltrials.gov. 문의하십시오. 변경 사항이 clinicaltrials.gov에 구현되는 즉시 저희 웹사이트에도 자동으로 업데이트됩니다. .
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