combined malonic and methylmalonic acidemia

MeSH: C580002ORPHA: 2895043 Treatments Available

Overview

human disease

Available Treatments (3)

DrugFormStatusCountriesLead Time
Carnitine
Orphan
Oral tablet 330mg; Oral solution 100mg/mL; IV injection 200mg/mLFDA Approved, EMA Approved97d
hydroxycobalamin
Orphan
intramuscular injection 1000 mcg/mL, intravenous infusion 2.5 g/vialFDA Approved, EMA Approved814d
cyanocobalamin
intramuscular injection 1000 mcg/mL, oral tablet 1000 mcg, nasal spray 500 mcg/sprayFDA Approved87d

Clinical Presentation

Signs and symptoms associated with combined malonic and methylmalonic acidemia, sourced from HPO and Orphanet clinical annotations.

Methylmalonic acidemiaDicarboxylic aciduriaMethylmalonic aciduriaDicarboxylic acidemiaSeizureMicrocephalyAtypical behaviorDelayed speech and language developmentGlobal developmental delayEncephalopathyDystoniaFailure to thriveAcidosisHypoglycemiaDehydrationKetoacidosisVomitingMigraineIntermittent diarrheaMemory impairmentFocal impaired awareness seizureElevated circulating hepatic transaminase concentrationAxial hypotoniaGeneralized clonic seizureImpaired continenceNasogastric tube feeding

Classification & Codes

MeSH Code

C580002

Orphanet Code

ORPHA:289504
combined malonic and methylmalonic acidemia
MeSHC580002
OrphanetORPHA:289504
Treatments3 drug(s)
Symptoms on record26 signs
Statuspublished
Factual Authority
Last Updated3/20/2026
Clinical DataHPO · Orphanet
Drug DataFDA · EMA · CDSCO