VITALITY trial: protocol for a randomised controlled trial to establish the role of postnatal vitamin D supplementation in infant immune health

被引:39
|
作者
Allen, Katrina J. [1 ,2 ,3 ]
Panjari, Mary [1 ]
Koplin, Jennifer J. [1 ,2 ]
Ponsonby, Anne-Louise [1 ,2 ]
Vuillermin, Peter [1 ]
Gurrin, Lyle C. [1 ,4 ]
Greaves, Ronda [1 ,5 ]
Carvalho, Natalie [6 ]
Dalziel, Kim [6 ]
Tang, Mimi L. K. [1 ,2 ]
Lee, Katherine J. [1 ,2 ,7 ]
Wake, Melissa [1 ,2 ]
Curtis, Nigel [1 ,2 ]
Dharmage, Shyamali C. [1 ,3 ]
机构
[1] Murdoch Childrens Res Inst, Parkville, Vic, Australia
[2] Univ Melbourne, Dept Paediat, Parkville, Vic 3052, Australia
[3] Royal Childrens Hosp, Dept Allergy & Immunol, Parkville, Vic 3052, Australia
[4] Univ Melbourne, Ctr Biostat & Epidemiol, Parkville, Vic 3052, Australia
[5] RMIT Univ, Sch Med Sci, Bundoora, Vic, Australia
[6] Univ Melbourne, Melbourne Sch Populat & Global Hlth, Ctr Hlth Policy, Melbourne, Australia
[7] Melbourne Childrens Trials Ctr MCRI, Melbourne, Vic, Australia
来源
BMJ OPEN | 2015年 / 5卷 / 12期
基金
英国医学研究理事会;
关键词
EPIDEMIOLOGY; PAEDIATRICS; PREVENTIVE MEDICINE; MEDIATED FOOD ALLERGY; BREAST-FED INFANTS; D INSUFFICIENCY; CHILDREN; RISK; PREVALENCE; PREGNANCY; CRITERIA;
D O I
10.1136/bmjopen-2015-009377
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Introduction Postnatal vitamin D supplementation may be associated with a reduction in IgE-mediated food allergy, lower respiratory tract infections and improved bone health. Countries in the Northern hemisphere recommend universal infant vitamin D supplementation to optimise early vitamin D levels, despite the absence of large trials proving safety or efficacy for any disease outcome. With the aim of determining the clinical and cost-effectiveness of daily vitamin D supplementation in breastfed infants from age 6-8weeks to 12months of age, we have started a double-blind, randomised, placebo-controlled trial of daily 400IU vitamin D supplementation during the first year of life, VITALITY. Methods nd analysis Infants (n=3012) who are fully breastfed and not receiving vitamin D supplementation will be recruited at the time of their first immunisation, from council-led immunisation clinics throughout metropolitan Melbourne, Australia. The primary outcome is challenge-proven food allergy at 12months of age. Secondary outcomes are food sensitisation (positive skin prick test), number of lower respiratory infections (through hospital linkage), moderately-severe and persistent eczema (by history and examination) and vitamin D deficiency (serum vitamin D <50nmol/L) at age 12months. The trial is underway and the first 130 participants have been recruited. Ethics and dissemination The VITALITY study is approved by the Royal Children's Hospital (RCH) Human Research Ethics Committee (#34168). Outcomes will be disseminated through publication and will be presented at scientific conferences. Trial registration numbers ANZCTR12614000334606 and NCT02112734; pre-results.
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页数:8
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