My son 3 year old is diagnoised with niemann pick type b , he has hepetosplenomegally and no other symptoms. any information about treatment?

Need supportive care: Unfortunately it is a inherited lysosomal storage disease , fats called sphingolipds accumulates in side the cells of body due to lack of an enzyme (in all cells of body) 'sphingomyelinase' nih has trail drug cyclodextrim efficacy not known , please seek supportive groups like nnpdf.Org you and your family need this for help and latest developments.