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Completed

NCT Number: NCT02057731

Study of Glycogen Storage Disease Expression in Carriers

The purpose of the study is to determine whether carrier status for any type of glycogen storage disease (GSD) predisposes the carrier to GSD markers, like high cholesterol, by testing blood, urine, and saliva samples.

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Key information

Age range

18 year–100 year

Sex eligibility

All sexes

Study type

Observational

Primary location

University of Florida

Gainesville, Florida, 32608, United States

About this study

Subjects will be asked to contribute about a teaspoon of blood, 1 oz of urine, and 2 tablespoons of saliva samples in the morning before they have had anything to eat. The blood and urine samples will be tested for the markers of GSD, while the saliva sample will be used for genetic testing. Subjects' height and weight will also be measured.

Subjects will also be asked to fill out a questionnaire about symptoms common to full GSD expression that they may have experienced, as well as if they are currently on any medication to control their cholesterol.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • parents and other family members of patients undergoing treatment for GSD at the University of Florida

Exclusion criteria

  • pregnant females

Treatment and study plan

Glycogen Storage Disease markers

Genetic

Blood and urine tests will be performed on all groups to measure markers of GSD. A saliva DNA test will be used to determine the specific mutation the carrier has or to ensure noncarrier status. A questionnaire will also be filled out.

Primary outcomes

  1. Cholesterol level blood test

    Time frame: 1 day

    Blood test will be performed on all groups to measure markers of glycogen storage disease.

Secondary outcomes

  1. Comprehensive metabolic panel blood test

    Time frame: 1 day

    Blood test will be performed on all groups to measure markers of glycogen storage disease.

  2. Lipid panel blood test

    Time frame: 1 day

    Blood test will be performed on all groups to measure markers of glycogen storage disease.

  3. Uric acid level blood test

    Time frame: 1 day

    Blood test will be performed on all groups to measure markers of glycogen storage disease.

  4. Creatine kinase (CK) level blood test

    Time frame: 1 day

    Blood test will be performed on all groups to measure markers of glycogen storage disease.

  5. C-reactive protein (CRP) level blood test

    Time frame: 1 day

    Blood test will be performed on all groups to measure markers of glycogen storage disease.

  6. Calcium level urine test

    Time frame: 1 day

    Urine test will be performed on all groups to measure markers of glycogen storage disease.

  7. Citrate level urine test

    Time frame: 1 day

    Urine test will be performed on all groups to measure markers of glycogen storage disease.

  8. Creatinine level urine test

    Time frame: 1 day

    Urine test will be performed on all groups to measure markers of glycogen storage disease.

  9. Microalbumin level urine test

    Time frame: 1 day

    Urine test will be performed on all groups to measure markers of glycogen storage disease.

  10. Oxalate level urine test

    Time frame: 1 day

    Urine test will be performed on all groups to measure markers of glycogen storage disease.

  11. Uric acid level urine test

    Time frame: 1 day

    Urine test will be performed on all groups to measure markers of glycogen storage disease.

  12. Prealbumin blood test

    Time frame: 1 day

    Blood test will be performed on all groups to measure markers of glycogen storage disease.

  13. Hemoglobin A1C blood test

    Time frame: 1 day

    Blood test will be performed on all groups to measure markers of glycogen storage disease.

Sponsors and collaborators

Lead sponsor

University of Florida

Other

Registry information

Official study title

Characterizing Expression of Glycogen Storage Disease in Heterozygous Carriers

Important dates

Study start
2014
Primary completion
2016
Study completion
2016
First posted
Feb 7, 2014
Registry last updated
Dec 2, 2016

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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