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Severe intellectual disability-epilepsy-anal anomalies-distal phalangeal hypoplasia is characterized by severe intellectual deficit, epilepsy, hypoplasia of the terminal phalanges, and an anteriorly displaced anus. It has been described in two sisters born to consanguineous parents. The syndrome is transmitted as an autosomal recessive trait and appears to be caused by anomalies in to chromosome regions, one localized to chromosome 1 and the other to chromosome 14.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for severe intellectual disability-epilepsy-anal anomalies-distal phalangeal hypoplasia.
2 publications have been identified in PubMed for severe intellectual disability-epilepsy-anal anomalies-distal phalangeal hypoplasia. Research spans Review / Meta-Analysis (50%) and Basic Science / Preclinical (50%).
Erdogan EN (2025). [PMID: 40317680](https://pubmed.ncbi.nlm.nih.gov/40317680/). *American journal of medical genetics. Part A*. [Basic Science / Preclinical]
Lazea C (2024). [PMID: 38791606](https://pubmed.ncbi.nlm.nih.gov/38791606/). *International journal of molecular sciences*. [Review / Meta-Analysis]
Data assembled from 3 of 12 sources · Last updated Sep 20, 2026, 9:35 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center