At their entry ketogenic diet is not proposed two children in France for primary treatment of epilepsy

https://www.amazon.com/Ketogenic-Diet-Treatment-Children-Epilepsy/dp/1932603182

Over the last 15 years, however, there has been resurgence in the use of KD in refractory childhood epilepsy, with over 700 peer reviewed publications in the last 15 years. 

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4162008/

http://www.keilahfoundation.org/wp-content/uploads/2013/11/Freeman-and-Kossoff-2007-NOT-RCT.pdf

Wilder  RM The effect of ketonemia on the course of epilepsy. Mayo Clin Bull. 1921;2307

http://www.epilepsybehavior.com/article/S1525-5050(16)30631-X/abstract