Aminoacylase 1 deficiency

MeSH: C538246ORPHA: 137754

Overview

Aminoacylase 1 deficiency (ACY1D) is an inborn error of metabolism marked by a characteristic pattern of urinary N-acetyl amino acid excretion and neurologic symptoms

Available Treatments (0)

No treatments linked yet

Clinical trials or compassionate use may be available — consult a specialist.

Clinical Presentation

Signs and symptoms associated with Aminoacylase 1 deficiency, sourced from HPO and Orphanet clinical annotations.

HypotoniaEncephalopathyGeneralized muscle weaknessSeizureGlobal developmental delayVomitingApneaSyringomyeliaAplasia/Hypoplasia of the cerebellar vermisAplasia/Hypoplasia of the corpus callosumHypertelorismSensorineural hearing impairmentWide nose

Classification & Codes

MeSH Code

C538246

Orphanet Code

ORPHA:137754
Aminoacylase 1 deficiency
MeSHC538246
OrphanetORPHA:137754
Treatments0 drug(s)
Symptoms on record13 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO