Chronotype, Chrononutrition and Glucose Tolerance Among Prediabetic Individuals

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

Total Enrollment

120 participants

Study Classification

OBSERVATIONAL

Study Start Date

2022-01-01

Study Completion Date

2023-12-31

Brief Summary

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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 aims to determine the associations of chronotype and chrononutrition with glucose tolerance among prediabetic individuals in Malaysia.

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Detailed Description

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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.

Conditions

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PreDiabetes Diabetes Mellitus, Type 2

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Control Group

Prediabetes patients aged 18-65 years old, who plan to continue healthcare services at a community clinic in Malacca, no literacy barries

Lifestyle Intervention

Intervention Type BEHAVIORAL

Circadian misalignment contributes to the high glycemic outcome. To adjust meal timing earlier and avoid late-night meal eating patterns, to switch from the evening chronotype to morning chronotype possibility to reverse glucose fluctuation conditions.

Interventions

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Lifestyle Intervention

Circadian misalignment contributes to the high glycemic outcome. To adjust meal timing earlier and avoid late-night meal eating patterns, to switch from the evening chronotype to morning chronotype possibility to reverse glucose fluctuation conditions.

Intervention Type BEHAVIORAL

Other Intervention Names

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Dietary consultation

Eligibility Criteria

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Inclusion Criteria

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

Exclusion Criteria

1. Night shift workers at least 3 times per week.
2. Known sleep disorder.
3. Pregnant Women.
4. Those on oral glucose-lowering medications, diabetes supplements, anticonvulsant medications or oral steroids currently or in the last month.
5. Those with prior explored to any information regarding time-of-eating/time-of-activity restriction.
6. 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).

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Responsible Party

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Koo Hui Chin

Associate Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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