Abstract Title:

Effectiveness of vitamin K2 on osteoporosis in adults with cerebral palsy.

Abstract Source:

Brain Dev. 2017 Jun 14. Epub 2017 Jun 14. PMID: 28624135

Abstract Author(s):

Yuichi Kodama, Yasuhiro Okamoto, Tomohiro Kubota, Yoshifumi Hiroyama, Hiroshi Fukami, Kensuke Matsushita, Yoshifumi Kawano

Article Affiliation:

Yuichi Kodama


BACKGROUND: Osteoporosis can lead to spontaneous fractures in adults with cerebral palsy (CP). Undercarboxylated osteocalcin (ucOC) is a useful marker for vitamin K insufficiency in osteoporosis. The primary objective of this study was to determine the effect of vitamin K2 on bone mineral density (BMD) in adults with CP and vitamin K insufficiency.

METHODS: Sixteen adults, median age of 56years, with CP and osteoporosis in whom the serum ucOC concentration exceeded 4.5ng/mL were included. All patients received 45mg of vitamin K2 per day. BMD was measured and presented as a percentage of the young adult mean (%YAM). Serum levels of ucOC and BMD were measured at baseline and after 6 and 12months.

RESULTS: Serum levels of ucOC decreased from 7.8ng/mL (range, 4.9-32) at baseline to 3.9ng/mL (range, 1.9-6.8) after 6months (P=0.001). BMD increased from 59%YAM (range, 45-67) at baseline to 68%YAM (range, 50-79) after 12months (P=0.003).

CONCLUSIONS: Vitamin K2 had a positive effect on BMD in osteoporotic adults with CP and high serum concentrations of ucOC, and might be useful as a first line treatment for osteoporotic adults with CP and vitamin K insufficiency.

Study Type : Human Study

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