Study to Evaluate Biomarkers and Clinical Manifestations in Individuals With Glycogen Storage Disease Type III (GSD III)
Clinical Survey Study to Evaluate Biomarkers and Clinical Manifestations in Individuals With Glycogen Storage Disease Type III (GSD III)
1 other identifier
observational
18
1 country
4
Brief Summary
The primary objective of this study is to evaluate potential biomarkers of GSD III.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started Nov 2020
4 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
September 28, 2020
CompletedFirst Posted
Study publicly available on registry
October 5, 2020
CompletedStudy Start
First participant enrolled
November 23, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
June 30, 2022
CompletedStudy Completion
Last participant's last visit for all outcomes
June 30, 2022
CompletedSeptember 13, 2022
September 1, 2022
1.6 years
September 28, 2020
September 12, 2022
Conditions
Outcome Measures
Primary Outcomes (1)
Urine hexose tetrasaccharide (Hex4): mean and variance
Up to Day 35
Interventions
No Intervention
Eligibility Criteria
Subjects with a confirmed diagnosis of GSD III
You may qualify if:
- Confirmed historical diagnosis of GSD III based on pathogenic mutations in the AGL gene on both alleles or GDE deficiency based on biopsy of liver, muscle, or fibroblasts
- Willing to comply with all study procedures
- Willing and able to provide written informed consent. If a minor, willing and able to provide written assent and have a legally authorized representative willing and able to provide written informed consent
You may not qualify if:
- Presence or history of any condition that, in the view of the Investigator, places the subject at high risk of poor study compliance, interferes with study participation, or interferes with the subject's ability to safely or reliably complete the study assessments
- Use of any IP within 30 days prior to informed consent/assent or at the time of enrollment
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (4)
University of California
Irvine, California, 92697, United States
Children's Hospital Orange County
Orange, California, 92868, United States
Colorado Children's Hospital
Aurora, Colorado, 80045, United States
University of Texas Medical School
Houston, Texas, 77030, United States
Related Links
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Medical Director
Ultragenyx Pharmaceutical Inc
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
September 28, 2020
First Posted
October 5, 2020
Study Start
November 23, 2020
Primary Completion
June 30, 2022
Study Completion
June 30, 2022
Last Updated
September 13, 2022
Record last verified: 2022-09
Data Sharing
- IPD Sharing
- Will not share