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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.
Follow this condition — get notified about new trialsBroader categories
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Real-World study tracks Epidyolex's Long-Term impact on seizures
Disease control OngoingThis study follows 158 people in France who are prescribed Epidyolex (a cannabidiol-based medicine) for seizures as part of their normal care. Researchers will track how long people stay on the treatment, side effects, seizure frequency, and changes in daily functioning and quali…
Sponsor: Jazz Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 14:00 UTC
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Last chance access: vatiquinone for mitochondrial disease patients
Disease control NO_LONGER_AVAILABLEThis program offered vatiquinone, an experimental liquid medication, to patients with inherited mitochondrial diseases like Leigh syndrome who had already completed a previous safety study. The goal was to continue treatment for those who might benefit, but enrollment is now clos…
Sponsor: Medical University of South Carolina • Aim: Disease control
Last updated Jun 27, 2026 12:05 UTC
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Could a urea cycle drug help kids with rare epilepsy?
Disease control OngoingThis early-phase trial is testing whether glycerol phenylbutyrate (Ravicti), a drug already approved for a different condition, is safe and tolerable for children with genetic disorders like STXBP1 and SLC6A1 that cause seizures and developmental delays. The study will enroll 50 …
Phase: EARLY_PHASE1 • Sponsor: Weill Medical College of Cornell University • Aim: Disease control
Last updated Jun 27, 2026 08:12 UTC
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New drug LP352 aims to control seizures in severe epilepsy over the long term
Disease control ENROLLING_BY_INVITATIONThis phase 3 study is testing the long-term safety and effectiveness of LP352 (Bexicaserin) in 324 children and adults with developmental and epileptic encephalopathy (DEE), including Dravet and Lennox-Gastaut syndromes. Participants who completed earlier studies will receive LP3…
Phase: PHASE3 • Sponsor: Longboard Pharmaceuticals • Aim: Disease control
Last updated Jun 27, 2026 08:08 UTC
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AI boosts brain scan accuracy in massive new trial
Diagnosis ENROLLING_BY_INVITATIONThis study tests whether an AI tool can help radiologists read brain CT and MRI scans more accurately and quickly. Researchers will compare how well doctors, AI alone, and doctors using AI together can spot abnormalities, urgent findings, and classify diseases. The goal is to red…
Sponsor: Yaou Liu • Aim: Diagnosis
Last updated Jun 27, 2026 11:00 UTC
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Virtual reality could calm anxious kids with autism at the dentist
Symptom relief ENROLLING_BY_INVITATIONThis study tests whether wearing a virtual reality (VR) headset during dental treatment can reduce fear and stress in children with mild intellectual disabilities or autism spectrum disorder. Two hundred children aged 6 to 12 will either receive standard dental care or use a VR h…
Phase: NA • Sponsor: Semmelweis University • Aim: Symptom relief
Last updated Jun 27, 2026 14:02 UTC
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New study tests workplace coaching to keep Parkinson's patients on the job
Symptom relief OngoingThis study tests a personalized workplace intervention for 124 Dutch workers with Parkinson's disease, cerebellar ataxia, hereditary spastic paraparesis, or slowly progressive neuromuscular/mitochondrial disorders. A trained facilitator helps employees and their managers identify…
Phase: NA • Sponsor: Radboud University Medical Center • Aim: Symptom relief
Last updated Jun 27, 2026 13:07 UTC
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New vitamin supplements aim to make life easier for kids with rare metabolic disorders
Symptom relief OngoingThis study tests new vitamin and mineral supplements called EasiVits for children aged 1-16 with inborn errors of metabolism (IEM). These supplements have less carbohydrate and no flavor, so they can be used with different diets and kids can add their own taste. The goal is to se…
Phase: NA • Sponsor: NeoteriQ Ltd. • Aim: Symptom relief
Last updated Jun 27, 2026 13:00 UTC
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Robot suit helps kids with movement disorders take steps at home
Symptom relief OngoingThis study tests a wearable robotic exoskeleton called EXPLORER in 15 children with movement problems from conditions like cerebral palsy. The goal is to see if it helps them walk better in their everyday environments, such as home and the community. The study focuses on safety, …
Phase: NA • Sponsor: MarsiBionics • Aim: Symptom relief
Last updated Jun 27, 2026 07:51 UTC
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Massive genetic study aims to unlock secrets of rare metabolic diseases
Knowledge-focused ENROLLING_BY_INVITATIONThis study will collect and analyze genetic data from 1000 people with suspected inherited metabolic diseases, including conditions like epilepsy and mitochondrial disorders. Researchers at Karolinska University Hospital aim to improve diagnosis by using advanced genetic testing …
Sponsor: Region Stockholm • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:38 UTC
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Study on COVID-19 and metabolic disorders pulled before it began
Knowledge-focused TerminatedThis study was designed to track how COVID-19 infection might worsen the condition of people with inherited metabolic diseases (IMD). Researchers planned to collect information from French patients with IMD who had or had COVID-19 to see how often their metabolic disease got wors…
Sponsor: University Hospital, Lille • Aim: Knowledge-focused
Last updated Jun 27, 2026 12:37 UTC
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MRI scans could unlock secrets of rare muscle disease
Knowledge-focused ENROLLING_BY_INVITATIONThis study uses special MRI scans to measure how well muscles produce energy in people with mitochondrial disease. Researchers hope to learn more about the condition and develop a new tool to help diagnose and track it. The study involves 230 participants aged 7 to 75 with suspec…
Sponsor: Children's Hospital of Philadelphia • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:11 UTC
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Massive gene hunt launched for mysterious mitochondrial diseases
Knowledge-focused ENROLLING_BY_INVITATIONThis study aims to discover new genetic mutations that cause mitochondrial disorders by analyzing tissue samples from up to 6,900 participants. It includes people with suspected or known mitochondrial diseases, such as MELAS or Leigh's Disease, who lack a genetic diagnosis. The r…
Sponsor: Columbia University • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:09 UTC
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300 volunteers help create medical image bank for science
Knowledge-focused OngoingThis study gathers MRI, CT, and ultrasound images from 300 adults—some healthy, some with kidney or brain disease—to build a collection for future not-for-profit research. No new treatments are being tested; the goal is to make medical images available to scientists for advancing…
Sponsor: Mario Negri Institute for Pharmacological Research • Aim: Knowledge-focused
Last updated Jun 26, 2026 13:28 UTC