Researchers track rare disease progression in GSD IV and APBD patients
NCT ID NCT02683512
First seen May 05, 2026 · Last updated Jun 14, 2026 · Updated 4 times
Summary
This study gathers medical information from 200 people with glycogen branching enzyme deficiency, known as GSD IV or APBD. The goal is to learn how these rare diseases progress over time. No new treatments are tested; instead, researchers review clinic records to better understand the conditions.
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Duke University Medical Center
RECRUITINGDurham, North Carolina, 27710, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.