Lifestyle Modification and Potato Consumption

NCT ID: NCT01771926

Last Updated: 2018-08-03

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

107 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-02-28

Study Completion Date

2016-06-30

Brief Summary

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The investigators hypothesize that consumption of potatoes is a healthy adjunct to lifestyle intervention in overweight and obese glucose intolerant adults. We will evaluate the effects of the consumption of potatoes (high or low resistant starch) vs. commonly consumed carbohydrate sources on glucose tolerance; and ( the extent to which potato consumption alters markers of lipid metabolism and inflammation in the context of a lifestyle intervention program.

Detailed Description

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Our primary objective is to compare the effects of potato consumption to those of commonly consumed carbohydrate sources on glucose tolerance and other cardiometabolic risk factors in overweight and obese, glucose intolerant men and women participating in a lifestyle intervention program. We hypothesize that consumption of potatoes is a healthy adjunct to lifestyle intervention in overweight and obese glucose intolerant adults. Our specific aims include: (1) to evaluate of the effects of the consumption of potatoes (high or low resistant starch) vs. commonly consumed carbohydrate sources on glucose tolerance; and (2) to determine the extent to which potato consumption alters markers of lipid metabolism and inflammation in the context of a lifestyle intervention program.

Conditions

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Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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High Resistant Starch Potatoes

Subjects will receive 1 serving daily for 8 weeks during the weight loss group sessions.

Group Type EXPERIMENTAL

potatoes

Intervention Type OTHER

Daily intake of assigned treatment for 8 weeks

Low Resistant Starch Potatoes

Subjects will receive 1 serving daily for 8 weeks during the weight loss group sessions.

Group Type EXPERIMENTAL

potatoes

Intervention Type OTHER

Daily intake of assigned treatment for 8 weeks

Other Carbohydrate Source

Subjects will receive 1 serving daily for 8 weeks during the weight loss group sessions.

Group Type PLACEBO_COMPARATOR

other carbohydrate

Intervention Type OTHER

Daily intake of assigned treatment for 8 weeks

Interventions

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potatoes

Daily intake of assigned treatment for 8 weeks

Intervention Type OTHER

other carbohydrate

Daily intake of assigned treatment for 8 weeks

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Men and women between 20-65 years of age.
* Overweight or obese (BMI 25 - 39.9 Kg/m2)
* Impaired Glucose Tolerance: fasting glucose between 100-125 mg/dL
* Willingness to comply with the demands of the experimental protocol
* Sedentary lifestyle

Exclusion Criteria

* Major medical condition
* Smokers
* Unable to perform moderate exercise
* Use of medications that alter glucose or lipid metabolism
* Pregnant or lactating
Minimum Eligible Age

20 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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USDA Grand Forks Human Nutrition Research Center

FED

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Susan K Raatz, PhD, MPH, RD

Role: PRINCIPAL_INVESTIGATOR

USDA GFHNRC

Locations

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Grand Forks Human Nutrition Research Center

Grand Forks, North Dakota, United States

Site Status

Countries

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United States

Related Links

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http://www.ars.usda.gov/main/site_main.htm?modecode=54-50-00-00

Grand Forks Human Nutrition Research Center

Other Identifiers

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GFHNRC024

Identifier Type: -

Identifier Source: org_study_id

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