Ethnic Variability in Glycemic and Hunger Satiety Response to Rice in Overweight Adults

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

20 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-04-01

Study Completion Date

2022-10-30

Brief Summary

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Evidence has./ indicated increased risk of type 2 diabetes with white rice consumption in Asian population. It is shown that glycemic response to carbohydrate-containing food may differ in people of different ethnicities. The large increment in glucose concentration induced by high glycemic index food often exaggerates the body's anabolic responses, which facilitates the overproduction of insulin and eventually results in pancreatic beta-cell failure, causing type 2 diabetes mellitus.

Given that rice is the staple food of Asians and Emiratis, and extent to which rice influences postprandial glycemia could have potential relevance in the prevention and treatment of diabetes.

In this study, the investigators intend to compare the glycemic and hunger satiety response to rice among overweight Emiratis, Asians, and Caucasian. The primary objective of the study is to compare the glycemic (glucose) and hunger satiety (hormone ghrelin and peptide YY) response to glucose and rice among overweight Emiratis, Asians, and Caucasians.

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Detailed Description

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An increased incidence of type 2 diabetes is a characteristic feature of populations that have undergone nutritional transition. First seen in the developed Western world, the same pattern is now being observed in Middle East and Asian countries, and United Arab Emirates (UAE) is one of them. Although overconsumption of energy and accumulation of excess body fat is a common cause of type 2 diabetes, diet almost certainly has other unknown effects, and specific foods with particular adverse effects may have a direct role in the development of type 2 diabetes. Recent meta-analysis and systematic reviews have indicated increased risk of type 2 diabetes with white rice consumption in Asian population. It is shown that glycemic response to carbohydrate-containing food may differ in people of different ethnicities. Previous studies have shown that identical carbohydrate loads elicit 2-3 times larger postprandial peaks in Asians compared to Caucasians. Although there are comparative studies reported in this region. The large increment in glucose concentration induced by high glycemic index food often exaggerates the body's anabolic responses, which facilitates the overproduction of insulin and eventually results in pancreatic beta-cell failure, causing type 2 diabetes mellitus.

Given that rice is the staple food of Asians and Emiratis, and extent to which rice influences postprandial glycemia could have potential relevance in the prevention and treatment of diabetes.

In this study, the investigators intend to compare the glycemic and hunger satiety response to rice among overweight Emiratis, Indian, and Caucasian.

Conditions

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Glycemic Response

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Oral glucose tolerance test

The volunteer will be performing the standardized oral glucose tolerance test with 75 gm of glucose. After an overnight fast of 10 hours the venous blood will be collected at fasting, 30, 60 and 120 minutes post-prandial and hunger-satiety scale recorded at the same interval.

Group Type ACTIVE_COMPARATOR

Food (rice)

Intervention Type OTHER

Cooked rice with 75 gm carbohydrate

Post prandial response to Rice

The participants will be served cooked basmati rice (70-gram available glucose). After an overnight fast of 10 hours the venous blood will be collected at fasting, 30, 60 and 120 minutes post-prandial and hunger-satiety scale recorded at the same interval.

Group Type EXPERIMENTAL

Food (rice)

Intervention Type OTHER

Cooked rice with 75 gm carbohydrate

Interventions

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Food (rice)

Cooked rice with 75 gm carbohydrate

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Participants willing to comply with study procedures and given written consent

* Asian/Emirati/European ethnicity (both parents same ethnicity)
* Body mass index between 24.9-29.9 kg/m2
* Age 18-55 years
* Fasting blood glucose \<6.0 mmol/L

Exclusion Criteria

* • Subjects with chronic diseases, including diabetes, untreated hypertension, renal impairment, gastrointestinal problems, post bariatric, known eating disorders

* Use of medication affecting glucose metabolism
* Recent changes in weight of \> 5 % ove the past 3 months
* On antibiotics for the past 3 weeks

Minimum Eligible Age

18 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes