Sodium oxybate intolerance associated with familial serum acylcarnitine elevation.

Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine 2013 Jan 15

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Our case describes clinical features of two families defined by joint phenotypes: sodium oxybate intolerance and elevated serum acylcarnitines. Oxybate intolerance variably presents as either cervical dystonia or sleep-related eating disorder. Our objective is to identify biological markers which predict a poor response to sodium oxybate as a treatment for disturbed sleep. Familial inheritance pattern, genotype analysis, multiorgan system involvement, and response to treatment suggest the presence of a secondary cause of fatty oxidation defect, i.e., mitochondrial disorder. Our case report supports the possible conclusion that variance in human mitochondrial metabolism may affect sodium oxybate tolerability.

Citation

Jon Berner. Sodium oxybate intolerance associated with familial serum acylcarnitine elevation. Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine. 2013 Jan 15;9(1):71-2