GSD IX Natural History Study

  • STATUS
    Recruiting
  • End date
    Apr 5, 2030
  • participants needed
    50
  • sponsor
    Duke University
Updated on 19 February 2024

Summary

GSD IX patients will be consented to this natural history chart review study. Data will be collected from medical charts including, but not limited to: physical examinations, imaging studies, review of systems, age of diagnosis, quality of life surveys, growth delay assessment, metabolic control, dietary analysis, urine and blood labs, muscle strength, lab test results, biopsy specimens, gene sequencing, oligosaccharide and ketone analysis and biotinidase activity levels. Participant's medical charts will be continually reviewed for the duration of the study. If a liver, muscle or skin biopsy sample has been collected, a piece of the sample may be requested and stored for research purposes.

Details
Condition Glycogen Storage Disease
Age 100years or below
Clinical Study IdentifierNCT04454216
SponsorDuke University
Last Modified on19 February 2024

Eligibility

Yes No Not Sure

Inclusion Criteria

enzymatically confirmed diagnosis of GSD IX of any variant defined as very low or absent phosphorylase kinase activity in blood RBCs, liver or muscle biopsy

Exclusion Criteria

No enzymatically confirmed diagnosis of GSD IX
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Additional screening procedures may be conducted by the study team before you can be confirmed eligible to participate.

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If you are confirmed eligible after full screening, you will be required to understand and sign the informed consent if you decide to enroll in the study. Once enrolled you may be asked to make scheduled visits over a period of time.

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Complete your scheduled study participation activities and then you are done. You may receive summary of study results if provided by the sponsor.

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