Effect of Dairy Consumption on Glycemic Control, Body Weight and Cardiovascular Risk in Patients With Type 2 Diabetes

NCT ID: NCT02895867

Last Updated: 2019-03-01

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

112 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-05-31

Study Completion Date

2018-08-31

Brief Summary

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This is a randomized prospective clinical study in patients with type 2 diabetes to evaluate the effect of dairy products with full or low fat on glycemic control and cardio-metabolic risk factors in comparison to a regular diet.

Detailed Description

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This is a randomized, controlled clinical study in which 108 subjects with type 2 diabetes will be randomized into 3 different groups:

Full fat dairy group (Group A): will receive nutritional counseling aiming to maintain body weight from a registered dietician and will be instructed to include at least ≥3 servings of full fat dairy products into their diet

Low fat dairy group (Group B): will receive nutritional counseling aiming to maintain body weight from a registered dietician and will be instructed to include at least ≥3 servings of low fat dairy products into their diet

Control group (Group C): will receive nutritional counseling aiming to maintain body weight from a registered dietician and will not be asked to include a specified amount or type of dairy products

Subjects in Groups A and B will be educated about different dairy products' serving sizes and fat content. Subjects in all 3 groups will be asked to record their daily intake of dairy products in a dedicated log book. Subjects randomized to groups A and B will be asked to only use only dairy products with either the full fat or and low (≤1%) fat dairy (≤1% fat content) content respectively. Purchase of the dairy products will be the responsibility of study subjects for which a subsidy of $500 (about $20/week for 24 weeks) will be provided for each subject. All study participants will also be asked to record their food intake for 3 days before each study visit in a 3-day food log.

Conditions

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Type 2 Diabetes

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

OTHER

Blinding Strategy

NONE

Study Groups

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Full fat dairy group

Participants will receive nutritional counseling aiming to maintain body weight from a registered dietitian and will be instructed to include at least ≥3 servings of full fat dairy products into their diet

Group Type EXPERIMENTAL

Full fat dairy

Intervention Type OTHER

Participants will receive nutritional counseling aiming to maintain body weight from a registered dietician and will be instructed to include at least ≥3 servings of full fat dairy products into their diet

Low fat dairy group

Participants will receive nutritional counseling aiming to maintain body weight from a registered dietitian and will be instructed to include at least ≥3 servings of low fat dairy products into their diet

Group Type EXPERIMENTAL

Low fat dairy

Intervention Type OTHER

Participants will receive nutritional counseling aiming to maintain body weight from a registered dietician and will be instructed to include at least ≥3 servings of low fat dairy products into their diet

Control group

Participants will receive nutritional counseling aiming to maintain body weight from a registered dietician and will not be asked to include a specified amount or type of dairy products

Group Type OTHER

Control

Intervention Type OTHER

Participants will receive nutritional counseling aiming to maintain body weight from a registered dietician and will not be asked to include a specified amount or type of dairy products

Interventions

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Full fat dairy

Participants will receive nutritional counseling aiming to maintain body weight from a registered dietician and will be instructed to include at least ≥3 servings of full fat dairy products into their diet

Intervention Type OTHER

Low fat dairy

Participants will receive nutritional counseling aiming to maintain body weight from a registered dietician and will be instructed to include at least ≥3 servings of low fat dairy products into their diet

Intervention Type OTHER

Control

Participants will receive nutritional counseling aiming to maintain body weight from a registered dietician and will not be asked to include a specified amount or type of dairy products

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Having type 2 diabetes for at least three months prior to screening and treated with any antihyperglycemic medication
* A1C ≥7 %
* Consuming \<3 servings of dairy products per day
* On stable dose of diabetes, blood pressure or cholesterol medications for 3 months
* Body weight is within 10% of current weight over the last 6 months before starting the study

Exclusion Criteria

* Pregnancy or lactation
* Lactose intolerance
* Allergy to milk or any of its components
* Use of orlistat
* History of pancreatitis
* History of gastric bypass surgery or sleeve gastrectomy
* Active malignancy
* History of recent cardiovascular event
* Having a heart pacemaker
* Enrollment in other studies that may affect study outcomes
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Joslin Diabetes Center

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Osama Hamdy, M.D., Ph.D.

Role: PRINCIPAL_INVESTIGATOR

Joslin Diabetes Center

Locations

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Joslin Diabetes Center

Boston, Massachusetts, United States

Site Status

Countries

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United States

References

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Mitri J, Tomah S, Mottalib A, Salsberg V, Ashrafzadeh S, Pober DM, Eldib AH, Tasabehji MW, Hamdy O. Effect of dairy consumption and its fat content on glycemic control and cardiovascular disease risk factors in patients with type 2 diabetes: a randomized controlled study. Am J Clin Nutr. 2020 Aug 1;112(2):293-302. doi: 10.1093/ajcn/nqaa138.

Reference Type DERIVED
PMID: 32520346 (View on PubMed)

Other Identifiers

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2016-04

Identifier Type: -

Identifier Source: org_study_id

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