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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT00006309
Other study ID # 917
Secondary ID R01HL058904
Status Completed
Phase N/A
First received September 28, 2000
Last updated February 17, 2016
Start date September 1999
Est. completion date August 2002

Study information

Verified date December 2004
Source National Heart, Lung, and Blood Institute (NHLBI)
Contact n/a
Is FDA regulated No
Health authority United States: Federal Government
Study type Observational

Clinical Trial Summary

To quantify the role of dietary factors in the etiology of coronary heart disease by pooling data from 10 major prospective studies on diet and coronary heart disease.


Description:

DESIGN NARRATIVE:

Specific hypotheses tested included an adverse effect of saturated fat and carotenoids (alpha-carotene, lutein, and lycopene), flavonoids, folic acid, and vitamin B6. Plausible biological interactions between nutrients, such as fatty acids of the n-6 and n-3 series were also explored. Each participating center sent data on tape to the coordinating unit at the Department of Nutrition, Harvard School of Public Health. The relations of dietary factors and coronary heart disease were first estimated within each study and compared for consistency. Data were then combined to obtain the best overall estimates, taking into account the validity of dietary data collected at each center. Members from study centers met annually to discuss the interpretation of findings. Over 6,000 cases of myocardial infarction or coronary death were anticipated, which should have provided excellent precision in measuring associations, and allowed the comparison of extreme intakes that were poorly represented in individual studies.

The study completion date listed in this record was obtained from the "End Date" entered in the Protocol Registration and Results System (PRS) record.


Recruitment information / eligibility

Status Completed
Enrollment 0
Est. completion date August 2002
Est. primary completion date
Accepts healthy volunteers No
Gender Male
Age group N/A to 100 Years
Eligibility No eligibility criteria

Study Design

N/A


Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
National Heart, Lung, and Blood Institute (NHLBI)

References & Publications (2)

Knekt P, Ritz J, Pereira MA, O'Reilly EJ, Augustsson K, Fraser GE, Goldbourt U, Heitmann BL, Hallmans G, Liu S, Pietinen P, Spiegelman D, Stevens J, Virtamo J, Willett WC, Rimm EB, Ascherio A. Antioxidant vitamins and coronary heart disease risk: a pooled analysis of 9 cohorts. Am J Clin Nutr. 2004 Dec;80(6):1508-20. — View Citation

Pereira MA, O'Reilly E, Augustsson K, Fraser GE, Goldbourt U, Heitmann BL, Hallmans G, Knekt P, Liu S, Pietinen P, Spiegelman D, Stevens J, Virtamo J, Willett WC, Ascherio A. Dietary fiber and risk of coronary heart disease: a pooled analysis of cohort studies. Arch Intern Med. 2004 Feb 23;164(4):370-6. — View Citation

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