Using Continuous Glucose Monitoring to Understand the Glycemic Impact of Food

November 30, 2015 updated by: HealthPartners Institute
This study will look at the impact that meals have on blood glucose (sugar) levels. Subjects will be asked to use a Continuous Glucose Monitoring System (CGM), which monitors glucose levels continuously. Breakfast and lunch meals will be provided and must be consumed at the International Diabetes Center.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Observational

Enrollment (Actual)

15

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • United States
    • Minnesota
      • Minneapolis, Minnesota, United States, 55416
        • International Diabetes Center

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years and older (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

type 2 diabetes, 18 years of age of older, currently taking metformin

Description

Inclusion Criteria:

  • Female or male
  • Age 18 and older
  • Diagnosed with type 2 diabetes for a minimum of 6 months
  • Is taking metformin for diabetes management; no other diabetes medications
  • Has been on a stable dose of metformin for at least 3 months
  • HbA1c is 7% or greater and less than 9%; >7% or <9%
  • BMI <30kg/m2
  • Willing to give informed consent
  • No evidence of acute illness, fever, undue stress
  • Motivated and capable of following the protocol and instructions provided by the healthcare professional
  • Available for the study on the scheduled visit days
  • Access to telephone communications

Exclusion Criteria:

  • Under 18 years of age
  • Has not been diagnosed with type 2 diabetes for a minimum of 6 months
  • Is currently taking other diabetes medications in addition to metformin
  • Has taken other diabetes medications within the past 3 months
  • HbA1c <7% or >9%
  • BMI > 30kg/m2
  • Unable to follow the study protocol
  • No access to telephone communications
  • Unable to read and write in English
  • Unable to maintain their health, or have undue stress
  • Skin abnormalities at the insertion sites that would confound assessment of the effect of the device on the skin
  • Allergy to adhesives
  • Any concomitant medical condition that would likely affect the evaluation of device performance
  • Taken oral or inhaled prednisone or cortisone medications in the previous 30 days

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Metformin, Type 2 Diabetes
Other: Continuous Glucose Monitoring of Carbohydrate Intake
Subjects eat standard breakfast and lunch and keep food records.
Other Names:
  • Navigator CGM System

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Glycemic Response to the Fixed Meal
Time Frame: 4 hour meal test
4 hour meal test

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

HealthPartners Institute

Collaborators

Abbott Diabetes Care
International Diabetes Center at Park Nicollet

Investigators

  • Principal Investigator: Margaret Powers, PhD, RD, CDE, International Diabetes Center at Park Nicollet

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

January 1, 2008

Primary Completion (Actual)

July 1, 2008

Study Completion (Actual)

September 1, 2010

Study Registration Dates

First Submitted

January 5, 2009

First Submitted That Met QC Criteria

January 6, 2009

First Posted (Estimate)

January 7, 2009

Study Record Updates

Last Update Posted (Estimate)

December 2, 2015

Last Update Submitted That Met QC Criteria

November 30, 2015

Last Verified

August 1, 2013

More Information

Terms related to this study

Other Study ID Numbers

  • 03654-07-A

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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