Clinical trial Recruiting at 1 site Observational Ages 0 to 90

Natural history study of rare glycogen storage diseases

Official title: Rare Glycogen Storage Diseases Natural History Study

Run by Duke University · NCT06795152 · Data updated 2026-11-12

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
Ages0 Years to 90 Years
SexAll
Enrollment200 (estimated)
SponsorDuke University
Academic / other
Locations1 site (Durham, North Carolina)
StatusRecruiting
StartedDecember 23, 2024
Main results expectedDecember 2034
Study endsDecember 2034
Registry record updatedJanuary 7, 2026
Trial IDNCT06795152 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

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

Probably 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.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

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.

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 gone: 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.

Who can join: the full rules

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 it's running

  • Duke University
    Durham, North Carolina, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

  • Using advanced heart MRI to improve diagnosis and risk prediction for rare cardiomyopathies

    This project tests whether advanced cardiac MRI techniques can help diagnose and predict future risk for people with rare heart muscle diseases like Danon, Fabry, cardiac amyloidosis, Noonan syndrome, and cardiac sarcoidosis.

    Recruiting Chinese Academy of Medical Sciences, Fuwai Hospital · Beijing · NCT07336394

  • Glycogen Storage Disease and Brain Function in People Like You

    This study tests whether people with glycogen storage disease perform differently on cognitive tests and show different brain imaging features compared with healthy peers.

    Recruiting Peking Union Medical College Hospital · Beijing, Beijing Municipality · NCT07908212

  • Identifying patients with cardiomyopathy for potential heart transplantation

    This study is trying to find new ways to identify and understand cardiomyopathy in patients to better predict if they might need a heart transplant in the future.

    Recruiting IRCCS Azienda Ospedaliero-Universitaria di Bologna · Bologna, Emilia-Romagna/Bologna and 2 other locations · NCT06813443

  • Observing the natural history of Danon disease

    This study looks at how Danon disease affects boys over 8 and girls under 30 over time to see changes in their heart health, symptoms, and quality of life.

    Recruiting at 16 sites Rocket Pharmaceuticals Inc. · Phoenix, Arizona and 15 other locations · NCT06214507

  • RP-A501 gene therapy for males with Danon disease

    This gives a single IV dose of RP-A501 gene therapy to males aged 8 and older with Danon disease to see if it improves heart structure and symptoms.

    Recruiting at 6 sites Phase 2 Rocket Pharmaceuticals Inc. · La Jolla, California and 5 other locations · NCT06092034

  • Registry for patients with rare diseases

    This study is creating a central registry for people with rare diseases to help connect them with researchers and improve treatments.

    Recruiting Sanford Health · Sioux Falls, South Dakota · NCT01793168

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.