Nutritional Prevention of Diabetes Mellitus Type 2

NCT ID: NCT03231839

Last Updated: 2017-07-27

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

132 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-02-01

Study Completion Date

2016-07-31

Brief Summary

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This study investigates the influence of red meat and fibers on glucose metabolism and body fat composition in subjects at increased risk for type 2 diabetes.

Detailed Description

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The epidemiologic evidence for increased red meat intake and decreased fiber intake as risk factors for T2D is solid. However, few intervention studies have been performed in order to investigate the role of whole-grain intake or the consumption of red meat in glycemic control and prevention of diabetes, yielding contradicting results. Thus, in order to prove causality, further identify potential underlying mechanisms and be able to improve lifestyle modification programs, we performed a randomized, controlled intervention study over six months. The participants are individuals at increased risk for tyoe 2 diabetes. They were randomised to 3 interventions groups: 1) caloric restriction of 400 kcal/day (control group), 2) caloric restriction plus no red meat consumption 3) caloric restriction and increase in fiber intake. Subjects where thoroughly phenotyped by anthropometric parameters, oral glucose tolerance tests, and MRI measurements of body fat composition and iron content in the liver. In this study, we want to compare the effectiveness of reduced caloric intake only versus reduced caloric intake with an additional modification of diet composition in terms of red meat and fiber consumption.

Conditions

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Type 2 Diabetes Mellitus Nutritional and Metabolic Diseases Liver Fat Insulin Sensitivity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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Caloric restriction (control)

daily reduction of caloric intake aimed at 400 kcal/day

Group Type PLACEBO_COMPARATOR

Caloric restriction

Intervention Type BEHAVIORAL

After the baseline measurements individuals underwent dietary counseling and had 6 sessions with a dietician (after, 1,4,8,12 16 and 20 weeks).

No red meat

daily reduction of caloric intake aimed at 400 kcal/day plus no red meat intake

Group Type ACTIVE_COMPARATOR

no red meat

Intervention Type BEHAVIORAL

After the baseline measurements individuals underwent dietary counseling and had 6 sessions with a dietician (after, 1,4,8,12 16 and 20 weeks).

Increased fiber intake

daily reduction of caloric intake aimed at 400 kcal/day plus increased fiber intake (aim: 40gr/day)

Group Type ACTIVE_COMPARATOR

Increased fiber intake

Intervention Type BEHAVIORAL

After the baseline measurements individuals underwent dietary counseling and had 6 sessions with a dietician (after, 1,4,8,12 16 and 20 weeks).

Interventions

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Caloric restriction

After the baseline measurements individuals underwent dietary counseling and had 6 sessions with a dietician (after, 1,4,8,12 16 and 20 weeks).

Intervention Type BEHAVIORAL

no red meat

After the baseline measurements individuals underwent dietary counseling and had 6 sessions with a dietician (after, 1,4,8,12 16 and 20 weeks).

Intervention Type BEHAVIORAL

Increased fiber intake

After the baseline measurements individuals underwent dietary counseling and had 6 sessions with a dietician (after, 1,4,8,12 16 and 20 weeks).

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

Individuals at a high risk for Type 2 diabetes:

* positive family history of type 2 diabetes,
* presence of metabolic syndrome,
* body mass index (BMI) \> 27 kg/m2,
* diagnosis of impaired glucose tolerance (IGT)
* previous diagnosis of gestational diabetes diabetes

Exclusion Criteria

* diagnosis of type 1 or 2 diabetes mellitus
* BMI \>45 kg/m²
* presence of serious illness such as cardiovascular, malignant or psychiatric disease.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University Hospital Tuebingen

OTHER

Sponsor Role lead

Responsible Party

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andreas fritsche

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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University of Tuebingen

Tübingen, , Germany

Site Status

Countries

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Germany

References

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Willmann C, Heni M, Linder K, Wagner R, Stefan N, Machann J, Schulze MB, Joost HG, Haring HU, Fritsche A. Potential effects of reduced red meat compared with increased fiber intake on glucose metabolism and liver fat content: a randomized and controlled dietary intervention study. Am J Clin Nutr. 2019 Feb 1;109(2):288-296. doi: 10.1093/ajcn/nqy307.

Reference Type DERIVED
PMID: 30721948 (View on PubMed)

Other Identifiers

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UTubingen4

Identifier Type: -

Identifier Source: org_study_id

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