vitamin B12-unresponsive methylmalonic acidemia type mut-

ORPHA: 793121 Treatment Available

Available Treatments (1)

DrugFormStatusCountriesLead Time
carglumic acid
Orphan
Oral dispersible tablets, 200mgFDA Approved, EMA Approved814d

Clinical Presentation

Signs and symptoms associated with vitamin B12-unresponsive methylmalonic acidemia type mut-, sourced from HPO and Orphanet clinical annotations.

Renal insufficiencyOptic atrophyIntellectual disabilitySeizureHypotoniaLethargyComaDysarthriaGlobal developmental delayChoreoathetosisStrokeDystoniaFailure to thriveCardiomyopathyPancreatitisSplenomegalyThrombocytopeniaDecreased total neutrophil countAnemiaDehydrationHyperammonemiaNausea and vomitingAbdominal painAnorexiaRespiratory distressHepatomegalyImmunodeficiencyFeeding difficultiesAbnormality of movement

Classification & Codes

Orphanet Code

ORPHA:79312
vitamin B12-unresponsive methylmalonic acidemia type mut-
OrphanetORPHA:79312
Treatments1 drug(s)
Symptoms on record29 signs
Statuspublished

Treatment Summary

Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO