The ketogenic diet in children, adolescents and young adults with refractory epilepsy: An Italian multicentric experience

Giangennaro Coppola, Pierangelo Veggiotti, Raffaella Cusmai, Simona Bertoli, Simonetta Cardinali, Carlo Dionisi-Vici, Mirella Elia, Maria Luisa Lispi, Chiara Sarnelli, Anna Tagliabue, Caterina Toraldo, Antonio Pascotto

Research output: Contribution to journalArticlepeer-review

Abstract

Purpose: This collaborative study by three Italian groups of child neuropsychiatrists was carried on to evaluate the efficacy and safety of the classic 4:1 ketogenic diet as add-on treatment in refractory partial or generalized epilepsy in children, adolescents and young adults. Methods: We performed a prospective add-on study in 56 refractory epilepsy young patients (age 1-23 years, mean 10.4 years), all with both symptomatic and cryptogenic, generalized or partial epilepsies. Child neuropsychiatrists worked with nutritional team for sample selection and patients management. The ketogenic diet was added to the baseline antiepileptic drugs and the efficacy was rated according to seizure type and frequency. During treatment, seizure frequency, side effects, urine and blood ketone levels and other parameters were systematically evaluated. Results: Patients have been treated for 1-18 months (mean 5 months). A >50% reduction in seizure frequency was gained in 37.5 and 26.8% of patients after 3 and 6 months, respectively, at 12 months, this number fell by 8.9%. No significant relationship between diet efficacy and seizure or epilepsy type, age at diet onset, sex and etiology of epilepsy was noted. Nevertheless, it seems noteworthy that 64% of our patients with neuronal migration disorders improved on this diet. Adverse effects occurred, mainly in the first weeks of treatment, in 32 patients (57.1%), but were generally mild and transient. In seven patients (12.5%) it was possible to withdraw one to two AED after 3-4 months on ketogenic diet. Conclusion: This initial experience with the ketogenic diet was effective in difficult-to-treat patients with partial and generalized epilepsies, though its efficacy dropped significantly by 9-12 months.

Original languageEnglish
Pages (from-to)221-227
Number of pages7
JournalEpilepsy Research
Volume48
Issue number3
DOIs
Publication statusPublished - 2002

Keywords

  • Children, adolescents and young adults
  • Ketogenic diet
  • Refractory epilepsy

ASJC Scopus subject areas

  • Clinical Neurology
  • Pediatrics, Perinatology, and Child Health
  • Neurology

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