Developmental and epileptic encephalopathy, 39
MONDO:0013056A rare mitochondrial substrate carrier disorder characterized by severe muscular hypotonia, seizures (with or without episodic apnea) beginning in the first year of life, and arrested psychomotor development (affecting mainly motor skills). Severe spasticity with hyperreflexia has also been reported. Global cerebral hypomyelination is a characteristic imaging feature of this disease.
Also known as: AGC1 deficiency, DEE39, EIEE39, SLC25A12 early infantile epileptic encephalopathy, early infantile epileptic encephalopathy caused by mutation in SLC25A12, epileptic encephalopathy with global cerebral demyelination, epileptic encephalopathy, early infantile, 39, mitochondrial aspartate-glutamate carrier 1 deficiency
78 clinical trials for this condition and its sub-types.
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New drug aims to tame hard-to-control seizures in rare mitochondrial disorders
Disease control TerminatedThis study tested a drug called vatiquinone in 68 people with mitochondrial disease and epilepsy that doesn't respond to standard treatments. Participants were randomly assigned to receive either vatiquinone or a placebo for 24 weeks to see if the drug could reduce the number of …
Phase: PHASE2, PHASE3 • Sponsor: PTC Therapeutics • Aim: Disease control
Last updated Jun 27, 2026 12:03 UTC
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New drug shows promise for Tough-to-Treat seizures in kids
Disease control TerminatedThis study looked at the long-term safety of soticlestat, an experimental drug, in children and adults with severe forms of epilepsy like Dravet syndrome and Lennox-Gastaut syndrome. Participants took soticlestat twice a day along with their usual seizure medicines. The study was…
Phase: PHASE2 • Sponsor: Takeda • Aim: Disease control
Last updated Jun 27, 2026 11:03 UTC