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  • Title: The effect of oral betaine on vertebral body bone density in pyridoxine-non-responsive homocystinuria.
    Author: Gahl WA, Bernardini I, Chen S, Kurtz D, Horvath K.
    Journal: J Inherit Metab Dis; 1988; 11(3):291-8. PubMed ID: 3148071.
    Abstract:
    Five pyridoxine-non-responsive homocystinuric patients aged 5 to 32 years were treated with oral betaine, 3 g b.i.d, in a double-blind, placebo-controlled, two-year crossover study of its effect on bone mineralization. Betaine therapy significantly reduced mean plasma homocystine (36 +/- 9 (SEM) mumol L-1 to 9 +/- 4 mumol L-1), with variable increases in plasma methionine and no adverse effects. Bone density, measured by computerized tomographic scanning of vertebral bodies, was below normal in all patients at the start of the study, and was not significantly altered by betaine therapy administered according to this protocol.
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