Lifestyle Modification and Potato Consumption

U

USDA Grand Forks Human Nutrition Research Center

Status

Completed

Conditions

Obesity

Treatments

Other: other carbohydrate
Other: potatoes

Study type

Interventional

Funder types

Other U.S. Federal agency

Identifiers

NCT01771926
GFHNRC024

Details and patient eligibility

About

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.

Full description

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.

Enrollment

107 patients

Sex

All

Ages

20 to 65 years old

Volunteers

Accepts Healthy Volunteers

Inclusion and exclusion criteria

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

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

107 participants in 3 patient groups, including a placebo group

High Resistant Starch Potatoes
Experimental group
Description:
Subjects will receive 1 serving daily for 8 weeks during the weight loss group sessions.
Treatment:
Other: potatoes
Low Resistant Starch Potatoes
Experimental group
Description:
Subjects will receive 1 serving daily for 8 weeks during the weight loss group sessions.
Treatment:
Other: potatoes
Other Carbohydrate Source
Placebo Comparator group
Description:
Subjects will receive 1 serving daily for 8 weeks during the weight loss group sessions.
Treatment:
Other: other carbohydrate

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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