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RecruitingGlycogen Storage Disease Type Ia

Glycogen Storage Disease Type Ia (GSDIa) Disease Monitoring Program

Eligible age

2+ yrs

Accepts

All genders

Locations

9 states

Healthy volunteers

No

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About this study

The main objective of this observational study is to evaluate the long-term safety and effectiveness of DTX401 for at least 10 years after DTX401 administration.

Sponsor: Ultragenyx Pharmaceutical Inc

You may qualify if…

  • Patient who had:
  • DTX401 (full or partial dose) administered in a parent clinical study (Group 1) or
  • Prescribed DTX401(full or partial dose) administered in a post-marketing setting (Group 2)
  • Patient is willing and able to provide informed consent after the nature of the study has been explained, and prior to any research-related assessments or procedures. If a minor or an adult with cognitive limitations, the patient is willing and able (if possible) to provide assent and have a legally authorized representative provide informed consent after the nature of the study has been explained, and prior to any research-related assessments or procedures.

You may not qualify if…

  • Presence of any condition that would interfere with study participation, interpretation of results or affect patient's safety in the opinion of the Investigator

Where it's recruiting

Colorado

Denver

Connecticut

Hartford

Michigan

Ann Arbor

Ohio

Cleveland

Pennsylvania

Philadelphia

Texas

Houston

Utah

Salt Lake City

Source: ClinicalTrials.gov · NCT06636383 · last updated 2026-05-29