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A rare, genetic, autosomal recessive axonal hereditary motor and sensory neuropathy disease characterized by prenatal onset of a severe sensorimotor axonal polyneuropathy (reflected by reduced fetal movement and polyhydramnios), manifesting, at birth, with respiratory failure requiring mechanical ventilation, profound muscular hypotonia, rapidly progressing distal muscle weakness, and absent deep tendon reflexes, in the absence of contractures, leading to death before 8 months of age. Neuropathological findings show severe loss of large- and medium-sized myelinated fibers without signs of demyelination.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for polyneuropathy, lethal neonatal, axonal sensorimotor, autosomal recessive.
2 publications have been identified in PubMed for polyneuropathy, lethal neonatal, axonal sensorimotor, autosomal recessive. Research spans Review / Meta-Analysis (50%) and Basic Science / Preclinical (50%).
Armirola-Ricaurte C (2026). [PMID: 40830826](https://pubmed.ncbi.nlm.nih.gov/40830826/). *Brain*. [Basic Science / Preclinical]
Fogel BL (2025). [PMID: 40464291](https://pubmed.ncbi.nlm.nih.gov/40464291/). *Ann Neurol*. [Review / Meta-Analysis]
Data assembled from 4 of 12 sources · Last updated Sep 20, 2026, 11:22 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Genetic and Rare Diseases Info Center