Flax Lignans and Heart Health

NCT ID: NCT01314586

Last Updated: 2011-03-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

93 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-12-31

Study Completion Date

2009-11-30

Brief Summary

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Purpose: To demonstrate the efficacy of Beneflax™ flaxseed lignan (SDG) concentrate to lower serum cholesterol levels.

Background: Flaxseed has been studied for various health benefits in humans, including prostate health, glucose control, and cardiovascular health. Cholesterol levels and high blood pressure are known to be risk factors for cardiovascular disease. Whole flaxseed has had variable effects on serum lipid levels, perhaps a consequence of variations in the amounts of secoisolariciresinol diglucoside (SDG) found in different flax cultivars, making the study of this bioactive compound difficult.

Hypothesis: Flaxseed lignan (SDG) extract (Beneflax) significantly lowers total and LDL cholesterol. Flaxseed lignans also lower blood pressure and fasting glucose levels.

Detailed Description

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Conditions

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Hypercholesterolemia

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

TRIPLE

Participants Caregivers Investigators

Study Groups

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placebo

placebo pill, diet counseling to comply with NCEP Step I diet

Group Type PLACEBO_COMPARATOR

secoisolariciresinol diglucoside-containing extract of flaxseed

Intervention Type DIETARY_SUPPLEMENT

0, 150 or 300 mg/day as 2 pills taken at breakfast and dinner, dietary counseling to comply with NCEP Step I diet

150 mg/day Beneflax

2 pills taken at breakfast and dinner containing a total of 150 mg secoisolariciresinol (SDG) per day for 12 weeks

Group Type EXPERIMENTAL

secoisolariciresinol diglucoside-containing extract of flaxseed

Intervention Type DIETARY_SUPPLEMENT

0, 150 or 300 mg/day as 2 pills taken at breakfast and dinner, dietary counseling to comply with NCEP Step I diet

300 mg/day Beneflax

2 pills taken at breakfast and dinner containing a total of 300 mg secoisolariciresinol (SDG) per day for 12 weeks

Group Type EXPERIMENTAL

secoisolariciresinol diglucoside-containing extract of flaxseed

Intervention Type DIETARY_SUPPLEMENT

0, 150 or 300 mg/day as 2 pills taken at breakfast and dinner, dietary counseling to comply with NCEP Step I diet

Interventions

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secoisolariciresinol diglucoside-containing extract of flaxseed

0, 150 or 300 mg/day as 2 pills taken at breakfast and dinner, dietary counseling to comply with NCEP Step I diet

Intervention Type DIETARY_SUPPLEMENT

Other Intervention Names

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Beneflax

Eligibility Criteria

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Inclusion Criteria

* Men, 40-65 yrs/old, postmenopausal women 50-65 yrs/old not \> 5 yrs post menopause. All subjects were hypercholesterolemic with either total cholesterol \>240 mg/dl and \< 320 mg/dL or LDL cholesterol \>140 mg/dl and \<190 mg/dl at the screening visit.

Exclusion Criteria

* Excluded subjects included diabetics, people being actively treated with niacins, fibrates, statins, insulin, ACE inhibitors or other cholesterol/ blood pressure pharmaceutical treatments, people who consumed large amounts of soy, flax, rye breads, pumpkin seeds, hydrolyzed milk products, sterols, and/or berries (strawberries/blueberries) or supplements aimed at cholesterol reduction such as spruce lignans, sytrinol (poly methoxylated flavanols), polycosinols, people consuming flaxseed on a regular basis.
Minimum Eligible Age

40 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Archer Daniels Midland Co.

INDUSTRY

Sponsor Role collaborator

Iowa State University

OTHER

Sponsor Role lead

Responsible Party

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Iowa State University

Principal Investigators

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Suzanne Hendrich, PhD

Role: PRINCIPAL_INVESTIGATOR

Iowa State University

Locations

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Nutrition & Wellness Research Center

Ames, Iowa, United States

Site Status

Countries

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United States

Other Identifiers

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ADM Beneflax ISU-1

Identifier Type: -

Identifier Source: org_study_id

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