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Abstract Title:

A randomized double-blinded placebo controlled trial of ergocalciferol 40,000 versus 100,000 IU per week for vitamin D inadequacy in institutionalized postmenopausal women.

Abstract Source:

Aging Clin Exp Res. 2019 Feb 19. Epub 2019 Feb 19. PMID: 30784012

Abstract Author(s):

Pattranid Mueangpaisarn, Sumapa Chaiamnuay

Article Affiliation:

Pattranid Mueangpaisarn

Abstract:

BACKGROUND: Vitamin D inadequacy is common in institutionalized post-menopausal women who are at the highest risk for osteoporotic fracture.

AIM: To evaluate efficacy and safety of ergocalciferol 40,000 versus 100,000 IU per week for 12 weeks for vitamin D inadequacy in institutionalized postmenopausal women.

METHOD: A randomized double-blinded placebo-controlled trial was conducted in 94 institutionalized subjects with baseline 25(OH)D levels < 30 ng/mL. Subjects were randomized to receive ergocalciferol 40,000 (standard dose) or ergocalciferol 100,000 IU (high dose) per week. Serum 25(OH)D levels, calcium, phosphate, handgrip strength, time up and go (TUG) test and quality of life by EQ-5D-5L were measured at baseline and 12 weeks after randomization.

RESULTS: Of the 94 subjects enrolled, 85 subjects completed the study. Subjects in the high dose group had higher mean 25(OH)D levels than subjects in the standard group (51.73 ± 19.35 and 34.5 ± 9.12, p < 0.001). More subjects in the high dose group (90.9%) achieved optimal 25(OH)D levels (> 30 ng/mL) than those in the standard group (65.9%), p = 0.007. In a subgroup analysis of subjects with vitamin D deficiency (< 20 ng/mL, n = 44) and severe vitamin D deficiency (< 10 ng/mL, n = 9), more subjects in the high dose group achieved optimal 25(OH)D levels than those in the standard group (88% and 100% versus 47.4% and 16.7% with p of 0.007 and 0.018, respectively). There were no differences in handgrip strength, TUG, EQ-5D-5L and adverse events between groups.

DISCUSSION/CONCLUSIONS: Subjects who received high dose ergocalciferol achieved more optimal 25(OH)D levels than those who received standard dose. High dose ergocalciferol is preferred to optimize 25(OH)D levels in subjects with severe vitamin D deficiency.

Study Type : Human Study

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Sayer Ji
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