Abstract
Objective:
To compare the efficacy of 400 vs 1000 IU oral vitamin D supplementation in preterm neonates of 27 to 34 weeks gestation.
Methods:
This double-blind randomized controlled trial allocated preterm babies to receive either 400 or 1000 IU of vitamin D3 (n=60 in each group). Primary outcome was prevalence of vitamin D insufficiency (serum vitamin D levels<20 ng ml−1) at 40 weeks of corrected gestational age (CGA).
Results:
At term CGA vitamin D insufficiency was significantly lower in the 1000 IU group than in the 400 IU group (2% vs 64.6%, P⩽0.001). Although elevated vitamin D levels were seen in 9.8% of babies on 1000 IU per day, this was not associated with clinical or biochemical evidence of toxicity.
Conclusion:
Supplementing preterm babies with 1000 IU of vitamin D3 daily decreases the prevalence of vitamin D insufficiency at term CGA. Excess levels of vitamin D may occur at this dose in some babies.
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Acknowledgements
Source of support: Institutional Fluid Research Grant.
Author contributions
MT—design, data collection, analysis, manuscript draft and revision; GR—design, analysis, manuscript revision; VJ—design, laboratory analysis, manuscript revision; AS—design, analysis, manuscript revision; NT—concept and design, data analysis, manuscript draft and revision.
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Tergestina, M., Rebekah, G., Job, V. et al. A randomized double-blind controlled trial comparing two regimens of vitamin D supplementation in preterm neonates. J Perinatol 36, 763–767 (2016). https://doi.org/10.1038/jp.2016.70
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DOI: https://doi.org/10.1038/jp.2016.70
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