Background While the association between vitamin D and several inflammatory biomarkers
in asthma patients has been extensively reported, it remains unclear whether …

Background Vitamin D, as an immunomodulator, may be related to the therapeutic effect of
asthma patients, but the research in this area is still controversial. The aim of this meta …

Background There is a controversy in terms of the efficacy of vitamin D supplementation in
improving asthma symptom control. Moreover, whether there is a difference in the treatment …

Background Cross‐sectional studies have reported an association of vitamin D deficiency
with increased asthma prevalence and severity, and with allergies. The effect of vitamin D as …

Purpose Vitamin D is a potent immunomodulator capable of dampening inflammatory
signals in several cell types involved in the asthmatic response. Its deficiency has been …

Previous studies have failed to draw a consistent conclusion over the effect of vitamin D
administration on asthma. We hypothesized that vitamin D supplementation could improve …

Background A previous aggregate data meta-analysis of randomised controlled trials
showed that vitamin D supplementation reduces the rate of asthma exacerbations requiring …

Q: Does vitamin D supplementation reduce asthma exacerbations? Evidence-based
answer: YES, to some extent it does, and primarily in patients with low vitamin D levels …

1.2 Background Since the previous Cochrane Review on this topic in 2016, debate has
continued surrounding a potential role for vitamin D in reducing the risk of asthma …

Asthma is a major public health issue. The co‐occurrence of the high prevalence of asthma
and vitamin D deficiency documented globally in recent decades has prompted several …