Synonyms: PGBM1
Polyglucosan body myopathy type 1 is a rare genetic glycogen storage disorder characterized by polyglucosan accumulation in various tissues manifesting with progressive proximal muscle weakness in the lower limbs and rapidly progressive usually dilated cardiomyopathy. Hepatic involvement and growth retardation may be associated. Early-onset immunodeficiency and autoinflammation presenting with recurrent bacterial infections have also been reported.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version April 2026
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Polyglucosan body myopathy type 1?
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Advocacy Organizations
Association Aux Pas du Coeur – Côte d’ivoire
Our organization wants to raise awareness and recognition of rare diseases in Ivory Coast. Our mission is to: Raise awareness and campaign to help with the diagnosis and free therapeutic care of patients. Request and/or contribute to actions relating to the training of the medical profession to be able to make a final diagnosis and ensure continuous monitoring of patients easily.
Children’s Cardiomyopathy Foundation
CCF's mission is to accelerate the search for causes and cures for pediatric cardiomyopathy through increased research, education, awareness, advocacy, and support to affected children and their families.
Fundacion Powerchair Football Argentina
To develop Powerchair Football in Argentina in order to integrate people with motor disabilities (SMA, Duchenne muscular dystrophy, Achondroplasia, Rare Diseases) into sports practice and to promote their social inclusion, based on empowerment, independence, and the creation of new bonds and friendships.
Global Liver Institute
To improve the lives of individuals and families impacted by liver disease through promoting innovation, encouraging collaboration, and scaling optimal approaches to help eradicate liver diseases.
Heart of a Giant Foundation
The mission of the HGF is to achieve better health outcomes for heart diseases and related chronic health conditions in our communities and enhance the quality of life through health education, care support, and connection to community resources.
HeartCharged
Ending preventable deaths from undiagnosed heart conditions and sudden cardiac arrest, especially in young people, and providing patient-to-patient support.
Louisiana Metabolic Disorders Coalition
We support, educate, and advocate for patients & families affected by metabolic disorders.
Mississippi Metabolics Foundation
Our mission at Mississippi Metabolics Foundation (MMF) is to advocate, educate, and support families in MS affected by genetic metabolic disorders/inborn errors of metabolism (IEM's). MMF promotes initiatives and further advancements in legislation, education, research, clinical trials, studies, therapies, targeted treatments, and eventual cures for IEM’s and all rare diseases.
Neuromuscular Disease Foundation
The Neuromuscular Disease Foundation's (NDF) mission is to enhance the quality of the lives of people living with GNE Myopathy (also known as HIBM) through advocacy, education, outreach, and funding clinical research focused on treatments and a cure.
RareDNA Foundation
Dedicated to improving outcomes for individuals and families affected by rare DNA heart mutations by advancing awareness, access and action. We increase awareness among medical professionals and the public, provide education and resources on diagnosis and treatment, support scientific research, and advocate for faster diagnostic pathways, giving families the knowledge and care they need.
association for glycogen storage disease
The Association for Glycogen Storage Disease (AGSD) is a patient advocacy organization dedicated to protecting and promoting the best interest of all persons affected by the glycogen storage disease. • AGSD is committed to the identification, treatment, and cure of glycogen storage disease through programs of education, advocacy, research, and patient services.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.