Study Status: Recruiting
Recruit Status: Unknown status
Study Type: Interventional
Official Title: Prospective Follow-up of Patients With Glycogen Storage Disease Type III
Brief Summary: The aim of this study is to improve knowledge of natural history and methods of monitoring the evolution of Glycogen storage disease type III regarding the muscle and to study the prospective approach of large series of patients, and using the same protocol for the follow up of the children and adults.