Natural history study of rare glycogen storage diseases

Rare Glycogen Storage Diseases Natural History Study

Observational Duke University · NCT06795152

This study is collecting health information from people with rare glycogen storage diseases to better understand their conditions and help improve future treatments.

Quick facts

Study typeObservational
Enrollment200 (estimated)
Ages0 Years to 90 Years
SexAll
SponsorDuke University Academic / other
Locations1 site (Durham, North Carolina)
Trial IDNCT06795152 on ClinicalTrials.gov

What this trial studies

This observational study aims to collect and analyze medical data on several ultra-rare glycogen storage diseases (GSDs), including types 0A, 0B, VII, and others. The research will create a natural history database that compiles clinical, laboratory, and biochemical information from individuals diagnosed with these rare disorders. Data will be gathered retrospectively from patient charts and prospectively after enrollment, focusing on clinically relevant information such as demographics, diagnostic results, and medical history. The goal is to better characterize the different subtypes of GSDs and inform future treatment strategies.

Who should consider this trial

Good fit: Ideal candidates include individuals diagnosed with rare glycogen storage diseases such as GSD types 0A, 0B, VII, and others.

Not a fit: Patients who do not have a diagnosis of a rare glycogen storage disease or cannot provide informed consent will not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved understanding and treatment options for patients with rare glycogen storage diseases.

How similar studies have performed: While this study focuses on rare diseases, similar approaches in collecting natural history data have shown promise in enhancing understanding and treatment of other rare conditions.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Diagnosis of a rare GSD, including 0a, 0b, VII, X, XII, XIII, XV, PRKAG2 syndrome or Danon disease

  * Two variants in the gene associated with the specific GSD type (for autosomal recessive diseases)
  * One variant in the gene associated with the specific GSD type (for autosomal dominant or X-linked diseases)
  * Deficient enzyme activity in liver, muscle, skin fibroblast or other tissue
  * One variant in causative gene with evidence of disease, per a clinician
  * Histology as confirmed by a clinician
* Able to provide informed consent for self (adults) or affected individual (minor or adults with a legally authorized representative)
* Able to provide consent for release of medical records
* Pregnant women with a diagnosis of a rare GSD will be included

Exclusion Criteria:

* Unable to provide informed consent for participation for one's self or by legally authorized representative/legal guardian/parent

Where this trial is running

Durham, North Carolina

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Glycogen Storage DiseaseGSD Type 0AGSD Type 0BGSD VIITarui DiseaseGSD XGSD XIIGSD XIII
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.