congenital disorder of glycosylation type IIh

ORPHA: 95428

Overview

congenital disorder of glycosylation type II that has material basis in a mutation of COG8 on chromosome 16q22.1

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 congenital disorder of glycosylation type IIh, sourced from HPO and Orphanet clinical annotations.

Intellectual disabilitySeizureAtaxiaFailure to thriveProtein-losing enteropathyDevelopmental regressionPoor head controlPoor speechSkeletal muscle atrophyChronic axonal neuropathyFloppy infantSevere global developmental delayFood intoleranceProgressive microcephalyAlternating esotropiaCerebellar atrophyMyoclonusHypoglycemiaVentriculomegalyElevated circulating hepatic transaminase concentrationAcute encephalopathyAtrophy/Degeneration affecting the brainstemSpontaneous hematomasProlonged prothrombin time

Classification & Codes

Orphanet Code

ORPHA:95428
congenital disorder of glycosylation type IIh
OrphanetORPHA:95428
Treatments0 drug(s)
Symptoms on record24 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO