Effect of Lysine and Phosphorus Fortification on Glycemic Index and Postprandial Glycemia in Double Fortified Bread

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

16 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-11-13

Study Completion Date

2024-01-31

Brief Summary

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The goal of this clinical trial is to investigate the effect of lysine and phosphorous on the glycemic index (GI) of white bread and postprandial glycemia. The main questions it aims to answer are:

* Can double fortification with lysine and phosphorous lower the glycemic index (GI) of bread?
* Does double fortification with lysine and phosphorous improve postprandial glycemia?

Participants in the study will be assigned to the control group, where they will consume regular white bread, then to the experimental group, where they will consume double fortified bread with lysine and phosphorous. The glycemic response of the bread samples will be measured by monitoring blood glucose levels in healthy participants after consuming the bread. The glycemic index will also be calculated based on the area under the curve (AUC) of the test food compared to a standard. The collected data will be analyzed using statistical methods such as paired sample t-tests and one-way ANOVA.

The expected outcomes of the study are that lysine and phosphorous will reduce the glycemic index of white bread and also decrease the postprandial blood glucose spike. This research aims to provide valuable insights into fortifying bread to improve its health impact, particularly for individuals with diabetes or at risk of developing diabetes

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Detailed Description

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This study aims to investigate the effect of lysine and phosphorous in double fortified bread on the glycemic index (GI) of white bread and postprandial glycemia. The research will be conducted through a human trial involving 16 participants. The study protocol includes the objectives, design, methods, scientific background, and statistical considerations.

The objective of the study is to evaluate the impact of lysine and phosphorous fortification on the glycemic response to bread consumption. The study will employ a interventional study design with four intervention groups. The participants will be assigned into Group 1 (simple white bread), Group 2 (lysine fortified bread), Group 3 (phosphorous fortified bread), and Group 4 (lysine and phosphorous fortified bread).

To ensure accurate measurements, the study will involve multiple readings at different time intervals. Blood glucose levels will be measured at 15 minutes, 30 minutes, 45 minutes, 90 and 120 minutes after consuming the bread. Each experiment will be conducted for a single group on a specific date. Each experiment will be repeated with a three-day gap between each repetition. This schedule ensures that each group receives the intervention on separate days and allows for sufficient time between experiments to minimize any carryover effects or potential confounding factors. Baseline fasting blood glucose levels will also be assessed before consuming the test foods.

The primary outcomes of the study are the glycemic index (GI) and postprandial glycemia. The glycemic index will be calculated through incremental area under the curve (iAUC) of the test food to that of standard food. The iAUC values will be compared between the intervention groups to assess the effects of lysine and phosphorous fortification on glycemic response.

The statistical analysis plan will include descriptive statistics to summarize participant characteristics and baseline variables. Statistical tests such as analysis of variance (ANOVA) or non-parametric equivalent tests will be used to compare the intervention groups.

The time frame for the study will focus on the immediate post-meal period, typically within 2 hour, to evaluate the acute effects of the bread interventions on blood glucose levels. The study protocol takes into account ethical considerations, participant recruitment, informed consent, data collection procedures, and data analysis methods.

The scientific background of the study includes a review of existing literature on the effects of lysine and phosphorous on glycemic response. It provides a rationale for investigating the specific research question and highlights the potential implications of the study findings.

Overall, the study protocol outlines a rigorous and systematic approach to investigate the effect of lysine and phosphorous fortification on the glycemic index and postprandial glycemia of white bread. The detailed description ensures clarity and transparency in the research methodology, allowing researchers, participants, and data users to understand the objectives, design, methods, and statistical considerations of the study.

Conditions

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Hyperglycemia Glucose Metabolism Disorders Metabolic Disease Glycemic Index

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

CROSSOVER

This clinical trial utilizes a cross-over design, administering multiple interventions to the same group of participants. The interventions include standard white bread, lysine-fortified bread, phosphorous-fortified bread, and a combination of lysine and phosphorous-fortified bread. Each participant receives these interventions in a specific sequence, with a washout period between each one to eliminate residual effects. This design allows for within-subject comparisons and minimizes individual variability. By examining the effects on glycemic index and postprandial glycemia, the cross-over design provides comprehensive insights. It enhances efficiency, statistical power, and enables the exploration of treatment interactions. Overall, this cross-over design allows for a thorough investigation of the impact of these interventions on glycemic index and postprandial glycemia in the study's participants.

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Control Group - Standard White Bread

This arm serves as the control group in the clinical trial, providing a baseline comparison for the intervention arms. Participants in this arm consume standard white bread

Group Type EXPERIMENTAL