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A Systematic Review on the Accuracy and Reliability the BodyGem/MedGem Metabolic Devices

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT00502931
Recruitment Status : Completed
First Posted : July 18, 2007
Last Update Posted : July 18, 2007
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Brief Summary:
With the number of individuals becoming overweight or obese, healthcare professionals are in need of accurate, reliable, and convenient tools to help personalize weight loss programs. Recently, a new indirect calorimeter (i.e. MedGem / BodyGem; aka “Gem”) was introduced as a convenient solution to determine resting metabolic rate (RMR) for assessment of daily energy needs. Several validation and comparison studies were conducted to determine if the Gem device is accurate and reliable. The purpose of this study was to conduct a systematic review of previous studies that evaluated the accuracy and reliability of the Gem devices.

Condition or disease
Resting Metabolic Rate

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Study Type : Observational
Observational Model: Case Control
Primary Purpose: Screening
Time Perspective: Longitudinal
Time Perspective: Retrospective
Official Title: A Systematic Review on the Accuracy and Reliability of a Hand-Held Indirect Calorimeter for Assessing Energy Needs in Adults & Children
Study Start Date : November 2006

Information from the National Library of Medicine

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Ages Eligible for Study:   Child, Adult, Older Adult
Sexes Eligible for Study:   All

Inclusion Criteria:

  • Random or counterbalanced assignment of participants to eliminate measurement bias; similar subject positioning for both Gem and reference system measurement or adjustment to a measurement for positioning differences; and use of a measurement protocol that is similar to the established “best practice” guidelines for employing indirect calorimetry

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT00502931

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United States, Colorado
Microlife Health Solutions
Golden, Colorado, United States, 80401
Sponsors and Collaborators
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Principal Investigator: Scott O McDoniel, M.Ed. Microlife USA, Inc.

Layout table for additonal information Identifier: NCT00502931    
Other Study ID Numbers: ML003
First Posted: July 18, 2007    Key Record Dates
Last Update Posted: July 18, 2007
Last Verified: July 2007