Synonyms: Autosomal recessive limb-girdle muscular dystrophy type 2U | ISPD-related LGMD R20 | LGMD type 2U | LGMD2U | Limb-girdle muscular dystrophy type 2U
A rare subtype of autosomal recessive limb-girdle muscular dystrophy disorder characterized by infantile to childhood-onset of slowly progressive principally proximal shoulder and/or pelvic-girdle muscular weakness that typically presents with positive Gowers’ sign and is associated with elevated creatine kinase levels hyporeflexia joint and achilles tendon contractures and muscle hypertrophy usually of the thighs calves and/or tongue. Other highly variable features include cerebellar cardiac and ocular abnormalities.
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 August 2026
Newly diagnosed with
ISPD-related limb-girdle muscular dystrophy R20?
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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.
CDG CARE
CDG CARE (Community Alliance and Resource Exchange) is a 501(c)(3) nonprofit public charity dedicated to representing all Congenital Disorders of Glycosylation (CDG) — a group of rare, inherited metabolic disorders that disrupt a complex enzymatic process essential to nearly every system in the body. Founded by parents seeking information, connection, and hope, CDG CARE has grown into a global organization serving patients, families, clinicians, and researchers across more than 200 known CDG types. Our mission is to raise awareness, support families, and fund research to improve the diagnosis, care, and treatment of CDGs. We pursue this mission through programs that meet families wherever they are in their journey, from the moment of diagnosis through the search for therapies. At every level of our work, CDG CARE is driven by a simple belief: that no family facing a CDG diagnosis should feel alone, and that together... families, scientists, clinicians, and advocates, we can move research, therapies, and hope forward.
CDG Canada
CDG Canada supports patients and families affected by Congenital Disorders of Glycosylation (CDG).
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.
Girls Chronically Rock
Girls Chronically Rock empowers and inspires people in the disability community through fashion, storytelling, and advocacy. Our mission is to create visibility, spark confidence, and promote inclusion by combining style with purpose.
LGMD Awareness Foundation, Inc.
An advocacy organization dedicated to globally raising awareness of the rare neuromuscular diseases known as limb-girdle muscular dystrophy (LGMD). Our focus is to provide curated educational information and resources for the LGMD community - aiming to assist in advancing their genetic diagnosis, care, and treatment. We also coordinate an annual worldwide LGMD Awareness Day on September 30.
LGMD2D Foundation
Formed in September 2013, the LGMD2D Foundation is a registered 501(c)3 non-profit foundation built for families living with LGMD2D. Our mission is to expedite the development of treatments or a cure for LGMD, type 2D / R3. We educate patients/caregivers, own the only international LGMD2D registry, raise awareness, fund research for treatments, and partner to advocate for LGMD2D. lgmd2d.org
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.
Muscular Dystrophy Pakistan
Muscular Dystrophy Pakistan is a patient-led nonprofit organization dedicated to raising awareness, promoting early diagnosis, supporting affected families, and advocating for equitable healthcare access for individuals living with muscular dystrophies and other rare genetic diseases across Pakistan, especially in underserved communities.
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.
ReNU2 Foundation
ReNU2 Foundation supports families affected by RNU2-2-related neurodevelopmental disease. We foster collaboration, raise awareness, and advance research—pursuing a world where every family has testing, informed care, community, and treatment.
Uganda Alliance of Patients Organization
Supporting patients to access quality, safe and patient-centered healthcare services.
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Clinical Trials
For a list of clinical trials in this disease area, please click here.