BMJ Open Sport Exerc Med
September 2024
Objective: To determine whether weekly oral vitamin D supplementation influences grip strength, explosive leg power, cardiorespiratory fitness or spirometric lung volumes in Mongolian schoolchildren.
Methods: Multicentre, randomised, double-blind, placebo-controlled clinical trial conducted in children aged 6-13 years at baseline attending 18 schools in Ulaanbaatar. The intervention was weekly oral doses of 14,000 IU vitamin D (n=4418) or placebo (n=4433) for 3 years.
Objectives: To evaluate the feasibility of the Zero TB Indicator Framework as a tool for assessing the quality of tuberculosis (TB) case-finding, treatment and prevention services in Mongolia.
Setting: Primary health centres, TB dispensaries, and surrounding communities in four districts of Mongolia.
Design: Three retrospective cross-sectional cohort studies, and two longitudinal studies each individually nested in one of the cohort studies.
Background: Vitamin D metabolites support innate immune responses to . Data from phase 3, randomized, controlled trials of vitamin D supplementation to prevent tuberculosis infection are lacking.
Methods: We randomly assigned children who had negative results for infection according to the QuantiFERON-TB Gold In-Tube assay (QFT) to receive a weekly oral dose of either 14,000 IU of vitamin D or placebo for 3 years.