- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03200652
Metabolic Availability of Lysine From Wheat in Adult Men
Application of the Indicator Amino Acid Oxidation Technique for the Determination of Metabolic Availability of Lysine From Indian Wheat, in Healthy Young Adult Men
Protein is the key determinant of growth and bodily functions. The quality of food proteins depend on their amino acid content and the amount of amino acids used by the body to make proteins. Globally Cereal Grains (CG) provide 50% of the calories and protein in the diet and exceed 80% in poorer developing countries. In many of those countries, wheat is the major cereal grain in the diet. The protein in wheat is low in the essential amino acid lysine. Hence wheat protein is of low quality. Low lysine affects protein synthesis in the body. Cooking methods also affect the lysine available from foods to the body.The protein can be complemented by the addition of lentils to augment the low lysine content. However, lentils are prohibitively expensive in some developing countries.
As the human population increases, the world faces the continuous challenge of maximizing a limited food supply. Protein quality (PQ) evaluation of wheat directly in humans would allow us to bridge the gap in knowledge between what is required and how best to provide.The information gathered from this project will provide the first direct experimental data on PQ of wheat protein in humans on which nutrition recommendations can be built.
Study Overview
Status
Intervention / Treatment
Detailed Description
Each subject will be part of 8 different experimental diets, and randomly assigned to one of the diets every time.
4 reference diet would be based on egg protein composition, 3 wheat diets would have protein from baked wheat bread and 1 mixed meal would comprise of baked wheat bread and lentils.
Each experimental diet will be studied over 3 days: 2 adaptation and 1 study day. The 2 adaptation meals would be consumed at home. On the study day 3, following a 12-h overnight fast, subjects will come to the research unit at The Hospital for Sick Children, Toronto, ON for a period of 7.5 h and consume the diet as 9 hourly meals. The first 3 meals would be consumed at home.
For the duration of all experiments, subjects will consume a daily multivitamin supplement to ensure adequate vitamin intake.
Measurements:
- Resting energy expenditure (REE) will be measured by open-circuit indirect calorimetry
- Body composition (fat and fat free mass) will be measured by BIA and Skin Fold.
- Breath samples will be collected after the 4th and 7th meals.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Ontario
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Toronto, Ontario, Canada, M5G 1X8
- The Hospital for Sick Children
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male, age 18 - 49 yrs
- Healthy, with no known clinical condition which would affect protein or AA metabolism, ex. Diabetes
- Stable Body Weight
- Not on any medications that could affect protein or amino acid metabolism e.g. steroids
Exclusion Criteria:
- Unwillingness to participate or unable to tolerate the diet
- Recent history of weight loss within the last 3 months or on a weight reducing diet
- Inability to tolerate study diets (ex. Allergy to ingredients)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: metabolic availability of lysine in wheat
Participants will be seen initially for pre-study assessment (2 hour). They will then be studied at 8 levels of lysine intake. Subjects will visit SickKid's Clinical Research Center a total of 9 times, with each visit being at least one week before the next. All 9 visits must be made within 6 months. Each set of experiment consists of a 3 day period. During the first 2 days (Adaptation Days) you will be expected to consume 4 meals per day consisting of a protein liquid drink and protein free-cookies and/or a baked wheat bread with or without lentils, which will all be provided by the investigators. |
Four levels of lysine intakes will be provided by the reference protein drinks, 3 levels of lysine from wheat and 1 level from wheat with lentils.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Metabolic availability of Lysine in Indian Wheat
Time Frame: 2 years
|
Apply the IAAO method to determine the Metabolic availability of Lysine in Indian Wheat prepared by dry heat cooking method.
|
2 years
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Glenda Courtney-Martin, BSc, MSc, PhD, The Hospital for Sick Children
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Other Study ID Numbers
- 1000056524
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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