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Epileptic Encephalopathy Related to CAD Deleterious Variants-A Case Series
Adelina Glangher1, Magdalena Budișteanu1,2,3, Diana Bârcă4,5
1Psychiatry Research Laboratory, Prof. Dr. Alex. Obregia Clinical Hospital of Psychiatry, 041914 Bucharest, Romania.
Insights
Early diagnosis and uridine treatment can improve outcomes for children with CAD deficiency, a severe metabolic disorder causing epilepsy and developmental issues. This approach offers a promising therapeutic strategy for this condition.
Area of Science:
- Biochemistry
- Genetics
- Pediatric Neurology
Background:
- Epilepsy, especially early-onset and drug-resistant forms, poses a significant challenge in pediatric neurology.
- Inborn errors of metabolism are increasingly recognized as causes of these epilepsy types.
- CAD deficiency is a severe metabolic disorder characterized by seizures, psychomotor regression, and anemia, caused by variants in the CAD gene.
Purpose of the Study:
- To present new cases of Early Infantile Epileptic Encephalopathy-50 (EIEE-50).
- To emphasize the importance of early and specific therapeutic interventions for EIEE-50.
- To highlight the potential of uridine supplementation as a treatment.
Main Methods:
- Presentation of four new cases of EIEE-50.
- Administration of oral uridine (100 mg/kg/day).
- Monitoring of clinical outcomes, including motor and cognitive function, and seizure control.
Main Results:
- Oral uridine administration led to improvements in motor and cognitive function.
- Seizures were immediately controlled following uridine supplementation.
- The study reinforces the efficacy of uridine in managing EIEE-50.
Conclusions:
- Timely diagnosis and targeted treatment strategies can improve outcomes for EIEE-50.
- Uridine supplementation is a promising therapeutic approach for CAD deficiency.
- Early intervention is crucial for preventing irreversible metabolic damage and improving clinical outcomes.
Background:
Epilepsy, particularly early-onset and drug-resistant forms, presents a significant challenge in pediatric neurology. Inborn errors of metabolism are increasingly recognized as important contributors to these types of epilepsy. Timely diagnosis and treatment are crucial in preventing irreversible metabolic damage and improving clinical outcomes in CAD deficiency. This condition is a progressive and severe metabolic disorder caused by biallelic deleterious variants in CAD gene, and is characterized by long seizures, psychomotor regression, and dyserythropoietic anemia.
Methods:
In this paper, we present four new cases of EIEE-50, emphasizing the importance of early, specific therapeutic interventions.
Results:
Oral uridine 100 mg/kg/day was administrated with improvement of motor and cognitive function as well as immediate seizures control.
Conclusions:
Our findings underscore the potential for improved outcomes of EIEE-50 trought timely diagnosis and targeted treatment strategies, reinforcing the role of uridine supplementation as a promising therapeutic approach.
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