Effect of Broccoli Sprout on Blood Levels of Sulforaphane to Reduce Responsiveness of Immune System

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

6 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-05-31

Study Completion Date

2014-01-31

Brief Summary

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The investigators suggest that inducing anti-oxidant enzymes indirectly may be an effective means of providing vascular protection.

Sulforaphane, a naturally occurring compound found in green vegetables (including broccoli, brussel sprouts and cauliflower) is able to protect against cell inflammatory stress by inducing a number of anti-oxidant molecules. Targeted studies on the consumption of broccoli and related vegetables have been shown to be associated with reduced risk of coronary artery disease.

In the present study the investigators want to test whether the consumption of a "broccoli smoothie" containing sulforaphane can protect white blood cells from becoming activated in the presence of an experimental stress and how long this protective effect lasts for. To do this, the investigators will be analysing inflammatory changes in blood samples taken at different times during the study.

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Detailed Description

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Atherosclerosis is the disease process that leads to hardening of the arteries which causes them to become narrowed. This occurs because fat is first deposited on the inside walls of the arteries, then becomes hardened by fibrous tissue and calcium deposition forming a semi-hardened accumulation of material known as plaque. As this plaque grows, it narrows the channel within the artery and causes a reduction in blood and oxygen supply to the affected organ - such as the heart and brain. The investigators now understand that this process is caused by inflammation and activation of the immune cells over a period of time. It has been proposed that targeting these immune cells and reducing the levels of immune activation can protect against cardiovascular diseases.

Previously it has been observed that consumption of fruit and vegetables rich in anti-oxidants can confer a protective effect against cardiovascular diseases. The use of anti-oxidants experimentally has shown protective benefits against activation.

Conditions

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Healthy Volunteers

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Brocco-sprout homogenate

Group Type ACTIVE_COMPARATOR

Brocco-sprout homogenate

Intervention Type DIETARY_SUPPLEMENT

Participants will be asked to orally consume on three consecutive days a brocco-sprout homogenate (70g dry weight).

Alfalfa sprout homogenate

Group Type SHAM_COMPARATOR

Alfalfa sprout homogenate

Intervention Type DIETARY_SUPPLEMENT

Participants will be asked to orally consume on three consecutive days an alfalfa sprout homogenate.

Interventions

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Brocco-sprout homogenate

Participants will be asked to orally consume on three consecutive days a brocco-sprout homogenate (70g dry weight).

Intervention Type DIETARY_SUPPLEMENT

Alfalfa sprout homogenate

Participants will be asked to orally consume on three consecutive days an alfalfa sprout homogenate.

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Age 18+ years
* Able to commit for the two week duration of the trial

Exclusion Criteria

* Age \<18 years
* Pregnancy
* Vegetarian
* History of allergy
* Current smoker or smoking cessation within the last 3 months
* Current use of inhaled, topical or systemic corticosteroids or within the last 2 weeks
* Current use of non-steroidal anti-inflammatory use or within the last 1 week
* Current use of nutritional or multivitamin supplements
* Current participation in any other Randomised controlled trial

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes