Viewing Study NCT02898571



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Last Modification Date: 2024-10-26 @ 12:09 PM
Study NCT ID: NCT02898571
Status: UNKNOWN
Last Update Posted: 2016-09-13
First Post: 2016-09-08

Brief Title: Cross-over Double-blind Intervention to Investigate the Effects of Defined Antioxidant-containing Drinks on Time Course of Antioxidant Capacity
Sponsor: Newcastle University
Organization: Newcastle University

Study Overview

Official Title: Cross-over Double-blind Intervention to Investigate the Effects of Defined Antioxidant-containing Drinks on Time Course of Antioxidant Capacity
Status: UNKNOWN
Status Verified Date: 2016-09
Last Known Status: RECRUITING
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: The aim of this project is to measure the differences in antioxidant capacity at different time points after consuming a single dose of antioxidant-containing drink vitamin C or epicatechin compared with a control drink in 10 volunteers and then match the data with the proposed modelling corresponding to either homeostasis or accumulation Additionally it will also determine whether the effect on changes of antioxidant capacity in response to epicatechin and vitamin c is equal
Detailed Description: The sample size is 10 volunteers This was based on an estimate of the number of datasets required to ensure that at least some of the datasets show time courses that are suitable for the demonstration The trial uses a cross-over double-blind placebo-controlled design

A participant information sheet will be given to the participant to read at least 24 hours prior to the screening Eligibility of participants will be checked during the screening session The participant anthropometric measurements height weight body fat will be taken and a Health Questionnaire will be filled completed

Inclusion Criteria Healthy adults BMI 185-30

Exclusion Criteria Any disease or medication that affects metabolism or digestion smokers common cold or other inflammatory illness at the time of bio-sample collection Any other physical or mental condition that in the judgement of the experimenter would mean that participation in the study would be an undue burden on the volunteer

At the screening session the participant will be informed the relevant details of the study Specifically they must avoid consumption of fruits vegetables and whole grain products coffee and tea beer and wine for 48 hours before the start of the intervention and 24 hours after it however cola 7-up and similar caffeine-containing drinks without any real fruits or herbs are fine After they have had opportunity to ask any questions regarding the testing procedures if they are happy to take part they will be free to ask and sign a consent form

Antioxidant Intervention Session

Overall each volunteer will be randomised to receive three treatments in a crossover design one with epicatechin containing drink as treatment one with vitamin C and another without antioxidants as placebo

The volunteers will avoid consumption of fruits vegetables and whole grain products coffee and tea beer and wine for 48 hours before the intervention and 24 hours after it and the intervention will be administered after an overnight fast 12 hours At each test the volunteer will consume 360ml of drink with either 60mg vitamin C corresponding to a smoothie or 80 mg epicatechin corresponding to approx 56g unsweetened baking chocolate Bhagwat 2014 or no antioxidant placebo and all containing 13 sugar providing 50g a mixture of glucose and fructose and a relevant flavouring

The optimal timing of samples has been determined using mathematical models of the results from the initial study done for BBC with the help of Professor Gunnar Cedersund Linköping University Capillary blood samples will be obtained by finger prick and collected in multivette 600 tubes 600µl per tube at baseline 0 05 1 15 2 25 35 5 6 8 and 24 hours post dose Breakfast will be served between 15 and 2 hours after consumption of the drink and lunch after the 35-hour sample has been collected

Study Oversight

Has Oversight DMC: None
Is a FDA Regulated Drug?: None
Is a FDA Regulated Device?: None
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?: None