Effects of Cocoa Procyanidins on Vascular Function

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

45 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-10-31

Study Completion Date

2016-05-31

Brief Summary

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There is a question regarding the role of higher flavanol oligomers (procyanidins) and of intestinal flavanol metabolites i.e. valerolactones, in the context of flavanol intake-related vascular effects. Only flavanol monomers, and to a certain degree dimers, are absorbed in the small intestine and enter circulation. Higher oligomers (procyanidins) are not absorbed and are catabolized by the colonic microflora. The catabolites enter the circulation. Phenolic acids and valerolactones represent a significant proportion of these catabolites, reaching peak concentrations in the order of 6-10 h post ingestion. The vascular effects of these colonic microbiome-derived flavanol derivatives have not been studied so far. The purpose of the study is to determine the timecourse of endothelial function along with flavanol catabolites \& metabolites during acute, sustained, and acute on sustained ingestion of procyanidins as compared to previously used flavanol interventions, and flavanol free control.

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Detailed Description

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Conditions

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Healthy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Flavanol and procyanidin supplement

Sustained intake (2x daily over 1 month) of a cocoa-based supplement containing flavanols (monomers) and procyanidins (dimers to decamers)

Group Type ACTIVE_COMPARATOR