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March 23, 1940

THE USE OF VITAMIN B6 IN PSEUDOHYPERTROPHIC MUSCULAR DYSTROPHY

JAMA. 1940;114(12):1058-1059. doi:10.1001/jama.1940.02810120030007
Abstract

The finding of foci of muscle atrophy in vitamin B6 deficient rats1 and the production of tremors and convulsions in rats after the administration of massive doses of synthetic vitamin B62 indicated that vitamin B6 might have some effect on muscle action. Accordingly it was decided to determine whether 2-methyl3-hydroxy-4,5-dihydroxy methyl pyridine (vitamin B6) had any effect on the muscular dystrophies of man. This communication deals with six cases of pseudohypertrophic muscular dystrophy which were treated with the synthetic vitamin.

REPORT OF CASES 

Case 1.—  A boy was first seen in February 1938 at the age of 4. For one year prior to this time his mother noted that he was reluctant to walk, walked unsteadily requiring a wide base, fatigued easily on walking and had difficulty in rising from a supine position. In January 1939 he had to pull himself upstairs by sheer

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