Chronotype, Chrononutrition and Glucose Tolerance Among Prediabetic Individuals: Research Protocol for Chrono-DM TM

  • STATUS
    Recruiting
  • End date
    Oct 30, 2023
  • participants needed
    166
  • sponsor
    Universiti Tunku Abdul Rahman
Updated on 14 July 2022
Accepts healthy volunteers

Summary

Chronotype and chrononutrition, both are emerging research fields in nutritional epidemiology. However, its association with glycemic control in the global population is less clear. A better understanding of how activity/ eating time can influence glucose levels in prediabetic individuals may improve strategies for blood glucose control. The present paper described the research protocol which aims to determine the associations of chronotype and chrononutrition with glucose tolerance among prediabetic individuals in Malaysia.

Description

This is a prospective longitudinal study named Chrono-DMTM, that targets to recruit 166 newly diagnosed prediabetic individuals from the community clinics in Malacca, Malaysia. Respondents will be followed-up for 6 months: (1) baseline (1st oral glucose tolerance test (OGTT)); (2) second visit (at 3rd month); and (3) third visit (2nd OGTT at 6th month). Data collection includes sociodemographic and anthropometry measurements (weight, height, body fat, visceral fat, waist and hip circumference). Dietary intake and meal timing are collected using the 3-day dietary record while data on sleep pattern, light exposure, chronotype and chrononutrition will be collected using validated questionnaires. Physical activity will be captured using a validated IPAQ questionnaire and pedometer during periods of wearing Continuous glucose monitoring (CGM) sensor. CGM, fasting plasma glucose (FBG), OGTT and HbA1c are performed to assess glycemic outcomes.

Details
Condition PreDiabetes, Diabetes Mellitus, Type 2
Treatment Lifestyle intervention
Clinical Study IdentifierNCT05163964
SponsorUniversiti Tunku Abdul Rahman
Last Modified on14 July 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Newly diagnosed prediabetic individuals who have been first seen by clinical dieticians registered under the Ministry of Health Malaysia
Malaysian ≥ 18 years old
Those who plan to continue prediabetes care at the selected community clinic in Melaka
Those who can read, write and understand the Malay Language

Exclusion Criteria

Night shift workers at least 3 times per week
Known sleep disorder
Pregnant Women
Those on oral glucose-lowering medications, diabetes supplements, anticonvulsant medications or oral steroids currently or in the last month
Those with prior explored to any information regarding time-of-eating/time-of-activity restriction
Those with chronic kidney disease. They are excluded as current research lack of evidence to support the accuracy of using 24-hour continuous glucose monitoring system (CGMS) (Freestyle Libre Pro, Abbott, Germany)
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