Metabolic Response to 3-day Fast Versus Carbohydrate-free Diet in Type 2 Diabetes (CHO-free diet)

November 9, 2011 updated by: Frank Q. Nuttall, MD, PhD, Minneapolis Veterans Affairs Medical Center
The investigators hypothesis is that a carbohydrate-free diet, ingested for 3 days, results in a change in blood glucose that is similar to the change observed after 3 days of fasting.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

In addition to plasma glucose concentrations, other hormones and metabolites known to be affected by fasting will be measured. These include insulin and glucagon, which are hormones that have an important role in regulating fuel use in the body.

Study Type

Interventional

Enrollment (Actual)

7

Phase

  • Not Applicable

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, 55417
        • Minneapolis VA Health Care System

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

45 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Type 2 diabetes
  • C-peptide > 1.5 ng/ml

Exclusion Criteria:

  • Body mass index > 40
  • hematological abnormalities
  • liver disease
  • kidney disease
  • congestive heart failure
  • life threatening malignancies

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

  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: 3 day fast
After receiving a standard diet on day 1, subject will fast on days 2, 3, and 4. Water and calorie-fee beverages will be allowed during this 72 hour period.
Other: 3 day fast
Subjects will fast for 72 hours
Other Names:
  • 3-Day Fast
Active Comparator: CHO-free diet
After receiving a standard diet on day 1, a carbohydrate-free diet will be provided on days 2, 3, and 4.
Other: 3 day CHO-free diet
Subjects will receive a carbohydrate-free diet for 72 hours
Other Names:
  • Carbohydrate-free diet

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Change in plasma glucose concentration
Time Frame: 24 hour profile:before and after meals, or traditional meal times
24 hour profile:before and after meals, or traditional meal times

Secondary Outcome Measures

Outcome Measure
Time Frame
Change in serum insulin concentrations
Time Frame: 24 hour profiles: before and after meals or traditional meal times
24 hour profiles: before and after meals or traditional meal times

Collaborators and Investigators

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

Sponsor

Minneapolis Veterans Affairs Medical Center

Investigators

  • Principal Investigator: Frank Q. Nuttall, M.D., Ph.D., Minneapolis Veterans Affairs Medical Center
  • Principal Investigator: Mary C. Gannon, Ph.D., Minneapolis Veterans Affairs Medical Center

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

August 1, 2009

Primary Completion (Actual)

June 1, 2010

Study Completion (Actual)

June 1, 2010

Study Registration Dates

First Submitted

November 8, 2011

First Submitted That Met QC Criteria

November 9, 2011

First Posted (Estimate)

November 10, 2011

Study Record Updates

Last Update Posted (Estimate)

November 10, 2011

Last Update Submitted That Met QC Criteria

November 9, 2011

Last Verified

November 1, 2011

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • 4177

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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