Effects of Pre-Natal Vitamin D Supplementation with Partial Correction of Vitamin D Deficiency on Early Life Healthcare Utilisation: A Randomised Controlled Trial.

<h4>Background</h4>Some observational studies have suggested that higher prenatal Vitamin D intake may be associated with improved health outcomes in childhood. However there have been mixed results in this area with some negative studies, especially for effects on atopic and respiratory...

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Main Authors: Megan Griffiths, Stephen Goldring, Chris Griffiths, Seif O Shaheen, Adrian Martineau, Louise Cross, Stephen Robinson, John O Warner, Angela Devine, Robert J Boyle
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2015-01-01
Series:PLoS ONE
Online Access:https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0145303&type=printable
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author Megan Griffiths
Stephen Goldring
Chris Griffiths
Seif O Shaheen
Adrian Martineau
Louise Cross
Stephen Robinson
John O Warner
Angela Devine
Robert J Boyle
author_facet Megan Griffiths
Stephen Goldring
Chris Griffiths
Seif O Shaheen
Adrian Martineau
Louise Cross
Stephen Robinson
John O Warner
Angela Devine
Robert J Boyle
author_sort Megan Griffiths
collection DOAJ
description <h4>Background</h4>Some observational studies have suggested that higher prenatal Vitamin D intake may be associated with improved health outcomes in childhood. However there have been mixed results in this area with some negative studies, especially for effects on atopic and respiratory outcomes. We examined the effect of prenatal Vitamin D on healthcare utilisation in the first three years of life.<h4>Methods</h4>In an ethnically stratified randomised controlled trial conducted at St Mary's Hospital London, 180 women at 27 weeks gestation were allocated to no Vitamin D, 800 IU ergocalciferol daily until delivery, or a single oral bolus of 200,000 IU cholecalciferol. Participants were randomised in blocks of 15 using computer-generated numbers and investigators were blinded to group assignment. Supplementation increased maternal and cord blood 25(OH) vitamin D concentrations, but levels remained lower than current recommendations. Primary health economic outcome was overall cost of unscheduled healthcare utilisation in the first three years of life as documented in the child's electronic health record. Secondary outcomes included cost attributable to: primary and secondary healthcare visits, respiratory and atopic complaints, cost in years 1, 2 and 3 of life and cost and frequency of prescribed medication. All costs were calculated as pounds sterling. Differences between groups were analysed using unpaired t-test or Mann-Whitney U test, and analysis of variance for adjusted analyses.<h4>Results</h4>We assessed 99/180 (55%) complete electronic health records, control (n = 31), daily (n = 36) and bolus (n = 32). We found no difference in total healthcare utilisation costs between the control and daily (mean difference in costs in pounds sterling 1.02, 95%CI -1.60, 1.65; adjusted 1.07, 95%CI -1.62, 1.86) or control and bolus groups (mean difference -1.58, 95%CI -2.63, 1.06; adjusted -1.40, 95%CI -2.45, 1.24). There were no adverse effects of supplementation reported during the trial.<h4>Conclusions</h4>We found no evidence that prenatal vitamin D supplementation from 27 weeks gestation to delivery, at doses which failed to completely correct maternal vitamin D deficiency, influence overall healthcare utilisation in children in the first 3 years.<h4>Trial registration</h4>Controlled-Trials.com ISRCTN68645785.
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spelling doaj-art-880403ee83d24152af69dcdb996456672025-08-20T02:15:37ZengPublic Library of Science (PLoS)PLoS ONE1932-62032015-01-011012e014530310.1371/journal.pone.0145303Effects of Pre-Natal Vitamin D Supplementation with Partial Correction of Vitamin D Deficiency on Early Life Healthcare Utilisation: A Randomised Controlled Trial.Megan GriffithsStephen GoldringChris GriffithsSeif O ShaheenAdrian MartineauLouise CrossStephen RobinsonJohn O WarnerAngela DevineRobert J Boyle<h4>Background</h4>Some observational studies have suggested that higher prenatal Vitamin D intake may be associated with improved health outcomes in childhood. However there have been mixed results in this area with some negative studies, especially for effects on atopic and respiratory outcomes. We examined the effect of prenatal Vitamin D on healthcare utilisation in the first three years of life.<h4>Methods</h4>In an ethnically stratified randomised controlled trial conducted at St Mary's Hospital London, 180 women at 27 weeks gestation were allocated to no Vitamin D, 800 IU ergocalciferol daily until delivery, or a single oral bolus of 200,000 IU cholecalciferol. Participants were randomised in blocks of 15 using computer-generated numbers and investigators were blinded to group assignment. Supplementation increased maternal and cord blood 25(OH) vitamin D concentrations, but levels remained lower than current recommendations. Primary health economic outcome was overall cost of unscheduled healthcare utilisation in the first three years of life as documented in the child's electronic health record. Secondary outcomes included cost attributable to: primary and secondary healthcare visits, respiratory and atopic complaints, cost in years 1, 2 and 3 of life and cost and frequency of prescribed medication. All costs were calculated as pounds sterling. Differences between groups were analysed using unpaired t-test or Mann-Whitney U test, and analysis of variance for adjusted analyses.<h4>Results</h4>We assessed 99/180 (55%) complete electronic health records, control (n = 31), daily (n = 36) and bolus (n = 32). We found no difference in total healthcare utilisation costs between the control and daily (mean difference in costs in pounds sterling 1.02, 95%CI -1.60, 1.65; adjusted 1.07, 95%CI -1.62, 1.86) or control and bolus groups (mean difference -1.58, 95%CI -2.63, 1.06; adjusted -1.40, 95%CI -2.45, 1.24). There were no adverse effects of supplementation reported during the trial.<h4>Conclusions</h4>We found no evidence that prenatal vitamin D supplementation from 27 weeks gestation to delivery, at doses which failed to completely correct maternal vitamin D deficiency, influence overall healthcare utilisation in children in the first 3 years.<h4>Trial registration</h4>Controlled-Trials.com ISRCTN68645785.https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0145303&type=printable
spellingShingle Megan Griffiths
Stephen Goldring
Chris Griffiths
Seif O Shaheen
Adrian Martineau
Louise Cross
Stephen Robinson
John O Warner
Angela Devine
Robert J Boyle
Effects of Pre-Natal Vitamin D Supplementation with Partial Correction of Vitamin D Deficiency on Early Life Healthcare Utilisation: A Randomised Controlled Trial.
PLoS ONE
title Effects of Pre-Natal Vitamin D Supplementation with Partial Correction of Vitamin D Deficiency on Early Life Healthcare Utilisation: A Randomised Controlled Trial.
title_full Effects of Pre-Natal Vitamin D Supplementation with Partial Correction of Vitamin D Deficiency on Early Life Healthcare Utilisation: A Randomised Controlled Trial.
title_fullStr Effects of Pre-Natal Vitamin D Supplementation with Partial Correction of Vitamin D Deficiency on Early Life Healthcare Utilisation: A Randomised Controlled Trial.
title_full_unstemmed Effects of Pre-Natal Vitamin D Supplementation with Partial Correction of Vitamin D Deficiency on Early Life Healthcare Utilisation: A Randomised Controlled Trial.
title_short Effects of Pre-Natal Vitamin D Supplementation with Partial Correction of Vitamin D Deficiency on Early Life Healthcare Utilisation: A Randomised Controlled Trial.
title_sort effects of pre natal vitamin d supplementation with partial correction of vitamin d deficiency on early life healthcare utilisation a randomised controlled trial
url https://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0145303&type=printable
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