NCT04574830

Brief Summary

The primary objective of this study is to evaluate potential biomarkers of GSD III.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
18

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Nov 2020

Geographic Reach
1 country

4 active sites

Status
completed

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

Completed
7 days until next milestone

First Posted

Study publicly available on registry

October 5, 2020

Completed
2 months until next milestone

Study Start

First participant enrolled

November 23, 2020

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2022

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2022

Completed
Last Updated

September 13, 2022

Status Verified

September 1, 2022

Enrollment Period

1.6 years

First QC Date

September 28, 2020

Last Update Submit

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

Age5 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

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

Location

Children's Hospital Orange County

Orange, California, 92868, United States

Location

Colorado Children's Hospital

Aurora, Colorado, 80045, United States

Location

University of Texas Medical School

Houston, Texas, 77030, United States

Location

Related Links

MeSH Terms

Conditions

Glycogen Storage Disease Type III

Condition Hierarchy (Ancestors)

Glycogen Storage DiseaseCarbohydrate Metabolism, Inborn ErrorsMetabolism, Inborn ErrorsGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesMetabolic DiseasesNutritional and Metabolic Diseases

Study Officials

  • Medical Director

    Ultragenyx Pharmaceutical Inc

    STUDY DIRECTOR

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

Locations