Pontocerebellar Hypoplasia, Type 15, also known as pch15, is related to pontocerebellar hypoplasia and autosomal recessive nonsyndromic deafness. An important gene associated with Pontocerebellar Hypoplasia, Type 15 is CDC40 (Cell Division Cycle 40), and among its related pathways/superpathways is Aminoglycoside Ototoxicity Pathway, Adverse Drug Reaction. Affiliated tissues include pons and cerebellum, and related phenotypes are intellectual disability, severe and cerebellar hypoplasia