Lamb-Shaffer syndrome
Synonyms: SOX5 haploinsufficiency syndrome
A rare genetic syndromic intellectual disability characterized by global developmental delay and speech delay variable degrees of intellectual disability and dysmorphic facial features (such as frontal bossing epicanthal folds strabismus depressed nasal bridge short philtrum auricular abnormalities micrognathia or crowded teeth among others). Additional reported manifestations are behavioral problems (stereotypies aggression anxiety autism spectrum disorder) skeletal anomalies (scoliosis pectus carinatum clinodactyly of fingers and toes among others) and seizures.
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 2024
Newly diagnosed with
Lamb-Shaffer syndrome?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
Advocacy Organizations
COMBINEDBrain Inc
COMBINEDBrain is a consortium for outcome measures and biomarkers for neurodevelopmental disorders. We are collaborating to cure rare, non-verbal brain disorders.
DDX3X Foundation
Our mission is to connect families, resources, and the medical community to advance research for a treatment or cure to DDX3X Syndrome. Our ultimate goal is to accelerate brain function in individuals affected by DDX3X Syndrome through advances in cell and gene therapy and pharmaceuticals.
Global Genes
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Moonshots for Unicorns
Curing single-gene disorders
Project CASK
To fund research for treatment and/or a cure for CASK Gene Disorder
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
Clinical Trials
For a list of clinical trials in this disease area, please click here.