Rare Disease Library

Browse Orphanet-curated rare diseases with HPO phenotype annotations, synonyms, and linked support programs. Search by name, abbreviation, or synonym.

Try: "IgA nephropathy", "C3G", "Berger's disease", "PKU", "Duchenne"

34 matching diseasesClear search ×

Congenital microcephaly-severe encephalopathy-progressive cerebral atrophy syndrome

Asparagine synthetase deficiency

ORPHA:391376

3-hydroxy-3-methylglutaryl-CoA synthase deficiency

HMG-CoA synthase deficiency

ORPHA:35701

ALDH18A1-related De Barsy syndrome

Delta-1-pyrroline 5-carboxylate synthetase deficiency · Neurocutaneous syndrome, Bicknell type

ORPHA:35664

Argininemia

Arginase 1 deficiency · Arginase deficiency

ORPHA:90

Argininosuccinic aciduria

ASA deficiency · ASL deficiency

ORPHA:23

Aromatase deficiency

Congenital estrogen deficiency

ORPHA:91

Aspartylglucosaminuria

Aspartylglucosaminidase deficiency

ORPHA:93

Autoimmune lymphoproliferative syndrome-recurrent viral infections due to CASP8 deficiency

CEDS · Caspase 8 deficiency syndrome

ORPHA:275517

Autosomal recessive spastic paraplegia type 26

GM2 synthase deficiency · SPG26

ORPHA:101006

Beta-ureidopropionase deficiency

Beta-alanine synthase deficiency

ORPHA:65287

Canavan disease

ACY2 deficiency · Aminoacylase 2 deficiency

ORPHA:141

Carbamoyl-phosphate synthetase 1 deficiency

CPS1 deficiency · CPS1D

ORPHA:147

Citrullinemia type I

ASS deficiency · Argininosuccinate synthase deficiency

ORPHA:247525

Congenital brain dysgenesis due to glutamine synthetase deficiency

Inherited GS deficiency · Inherited glutamine synthetase deficiency

ORPHA:71278

Early-onset familial hypoaldosteronism

Severe aldosterone synthase deficiency · Early-onset familial hyperreninemic hypoaldosteronism

ORPHA:556030

Fumaric aciduria

Fumarase deficiency

ORPHA:24

Glutamate-cysteine ligase deficiency

Gamma-glutamylcysteine synthetase deficiency

ORPHA:33574

Glutathione synthetase deficiency

Pyroglutamicaciduria

ORPHA:32

Glutathione synthetase deficiency with 5-oxoprolinuria

ORPHA:289846

GM3 synthase deficiency

ST3GAL5-CDG

ORPHA:370933

Hereditary orotic aciduria

Orotidylic decarboxylase deficiency · Uridine monophosphate synthetase deficiency

ORPHA:30

Holocarboxylase synthetase deficiency

Early-onset multiple carboxylase deficiency · Neonatal multiple carboxylase deficiency

ORPHA:79242

Homocystinuria due to cystathionine beta-synthase deficiency

Cystathionine beta-synthase-deficient homocystinuria · Cystathionine beta-synthase deficiency

ORPHA:394

Homocystinuria without methylmalonic aciduria

Functional methionine synthase deficiency · Methylcobalamin deficiency

ORPHA:622

Hypotonia-failure to thrive-microcephaly syndrome

LTC4 synthase deficiency · Leukotriene C4 synthase deficiency

ORPHA:79507

Isolated ATP synthase deficiency

Isolated mitochondrial respiratory chain complex V deficiency

ORPHA:254913

Late-onset familial hypoaldosteronism

Mild aldosterone synthase deficiency · Late-onset familial hyperreninemic hypoaldosteronism

ORPHA:556037

Lipoic acid synthetase deficiency

ORPHA:401859

Mucopolysaccharidosis type 6

ARSB deficiency · ASB deficiency

ORPHA:583

Neurometabolic disorder due to serine deficiency

Serine deficiency

ORPHA:35705

OBSOLETE: Familial hyperreninemic hypoaldosteronism type 1

OBSOLETE: 18-hydroxylase deficiency · OBSOLETE: Aldosterone synthase deficiency

ORPHA:99763

Severe intellectual disability and progressive spastic paraplegia

AP4 deficiency syndrome

ORPHA:280763

Spastic tetraplegia-thin corpus callosum-progressive postnatal microcephaly syndrome

ASCT1 deficiency · Spastic quadriplegia-thin corpus callosum-progressive postnatal microcephaly syndrome

ORPHA:447997

Xanthinuria type I

XDH deficiency · XO deficiency

ORPHA:93601