Journal of Clinical Biochemistry and Nutrition
Online ISSN : 1880-5086
Print ISSN : 0912-0009
ISSN-L : 0912-0009
Original Articles
Enhancement of Calcium/Vitamin D Supplement Efficacy by Administering Concomitantly Three Key Nutrients Essential to Bone Collagen Matrix for the Treatment of Osteopenia in Middle-Aged Women: A One-Year Follow-Up
Priscilla G. MasseJean-Luc JougleuxCarole C. TranchantJuliana DosyMarcel CaissieStephen P. Coburn
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2009 Volume 46 Issue 1 Pages 20-29

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Abstract

Two vitamins and proline (CB6Pro), three nutrients essential for bone collagen, were used in combination to a 1000 mg calcium/250 IU vitamin D (Ca/D) daily supplement to treat osteopenia as a preventive measure against osteoporosis later in life. Middle-aged women not using estrogen were screened for osteopenia using the WHO criteria and divided into three groups (n = 20 each): 1) placebo healthy controls with normal bone mineral density (BMD); 2) control Ca/D-treated osteopenic patients; and 3) Ca/D + CB6Pro-treated osteopenic patients. The three groups were comparable at baseline except for BMD. After one-year treatment, cortical diaphyseal BMD remained constant in each group, but trabecular bone loss persisted (at 5 lumbar sites) in osteopenic group 2. No further bone loss was detected in osteopenic group 3. A loss of 2% was evidenced in the placebo group at one lumbar site. Markers of bone formation (which increase in coupling to resorption) decreased significantly in both osteopenic groups. Although biomarkers of resorption did not change, hormone (PTH and 1,25(OH)2D3)-induced osteoclastic activity was significantly reduced. No decline in BMD occurred at any bone site in osteopenic group 3, highlighting the importance of improving the quality of bone matrix concomitantly to mineral replacement.

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© 2009 by The Editorial Secretariat of JCBN
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