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Muscle Nerve. 2012 Mar;45(3):436-40. doi: 10.1002/mus.22290.

Confirmation of the efficacy of vitamin B6 supplementation for McArdle disease by follow-up muscle biopsy.

Author information

  • 1Department of Neurology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan. sato_s@neuro.med.kyusha-u.ac.jp

Abstract

No effective treatment for McArdle disease exists.We report a Japanese patient with McArdle disease who was treated with vitamin B(6) supplementation (60-90 mg/day). After treatment, increased muscle phosphorylase activity was confirmed by follow-up muscle biopsy (3.8 times higher than pretreatment levels). Increased lactate levels were seen on the forearm exercise test, and regular work activities could be resumed. Vitamin B(6) supplementation can enhance residual phosphorylase activity and improve insufficient anaerobic glycolysis of skeletal muscle.

Copyright © 2011 Wiley Periodicals, Inc.

PMID:
22334182
[PubMed - indexed for MEDLINE]
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