Efficacy of vitamin D supplementation on glycemic control in type 2 diabetes patients: A meta-analysis of interventional studies
Conflicting evidence exists on the effect of vitamin D supplementation on glucose metabolism in subjects with type 2 diabetes (T2D). Therefore, this meta-analysis focuses on the relationship between vitamin D intervention and glycaemic control in subjects with T2D. We reviewed available randomized c...
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| Published in | Medicine (Baltimore) Vol. 98; no. 14; p. e14970 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | English |
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01.04.2019
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| Abstract | Conflicting evidence exists on the effect of vitamin D supplementation on glucose metabolism in subjects with type 2 diabetes (T2D). Therefore, this meta-analysis focuses on the relationship between vitamin D intervention and glycaemic control in subjects with T2D.
We reviewed available randomized controlled trials (RCTs) studies from the establishment time of each database to March 31, 2018. Stata 13.0 software was used to evaluate the included literature.
Finally, a total of 19 RCT studies involving 747 intervention subjects and 627 placebo controls were included in this meta-analysis. Meta-analysis results showed that compared with the control group, the short-term vitamin D supplementation group had a decline in hemoglobin A1c (HbA1c), insulin resistance, and insulin. The Standard Mean Difference (SMD) (95% CI [95% confidence interval]) of HbA1c, insulin resistance, and insulin were -0.17 (-0.29, -0.05), -0.75 (-0.97, -0.53), -0.57 (-0.78, -0.35), respectively with all P value <.05. But there were no significant differences in long-term follow-up vitamin D intervention.
Vitamin D supplementation in T2D patients can improve HbA1c, insulin resistance, and insulin in short-term intervention, suggesting that vitamin D can be considered as a therapeutic agent along with the other treatments for T2D. |
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| AbstractList | Supplemental Digital Content is available in the text Conflicting evidence exists on the effect of vitamin D supplementation on glucose metabolism in subjects with type 2 diabetes (T2D). Therefore, this meta-analysis focuses on the relationship between vitamin D intervention and glycaemic control in subjects with T2D. We reviewed available randomized controlled trials (RCTs) studies from the establishment time of each database to March 31, 2018. Stata 13.0 software was used to evaluate the included literature. Finally, a total of 19 RCT studies involving 747 intervention subjects and 627 placebo controls were included in this meta-analysis. Meta-analysis results showed that compared with the control group, the short-term vitamin D supplementation group had a decline in hemoglobin A1c (HbA1c), insulin resistance, and insulin. The Standard Mean Difference (SMD) (95% CI [95% confidence interval]) of HbA1c, insulin resistance, and insulin were -0.17 (-0.29, -0.05), -0.75 (-0.97, -0.53), -0.57 (-0.78, -0.35), respectively with all P value <.05. But there were no significant differences in long-term follow-up vitamin D intervention. Vitamin D supplementation in T2D patients can improve HbA1c, insulin resistance, and insulin in short-term intervention, suggesting that vitamin D can be considered as a therapeutic agent along with the other treatments for T2D. Conflicting evidence exists on the effect of vitamin D supplementation on glucose metabolism in subjects with type 2 diabetes (T2D). Therefore, this meta-analysis focuses on the relationship between vitamin D intervention and glycaemic control in subjects with T2D.BACKGROUNDConflicting evidence exists on the effect of vitamin D supplementation on glucose metabolism in subjects with type 2 diabetes (T2D). Therefore, this meta-analysis focuses on the relationship between vitamin D intervention and glycaemic control in subjects with T2D.We reviewed available randomized controlled trials (RCTs) studies from the establishment time of each database to March 31, 2018. Stata 13.0 software was used to evaluate the included literature.METHODSWe reviewed available randomized controlled trials (RCTs) studies from the establishment time of each database to March 31, 2018. Stata 13.0 software was used to evaluate the included literature.Finally, a total of 19 RCT studies involving 747 intervention subjects and 627 placebo controls were included in this meta-analysis. Meta-analysis results showed that compared with the control group, the short-term vitamin D supplementation group had a decline in hemoglobin A1c (HbA1c), insulin resistance, and insulin. The Standard Mean Difference (SMD) (95% CI [95% confidence interval]) of HbA1c, insulin resistance, and insulin were -0.17 (-0.29, -0.05), -0.75 (-0.97, -0.53), -0.57 (-0.78, -0.35), respectively with all P value <.05. But there were no significant differences in long-term follow-up vitamin D intervention.RESULTSFinally, a total of 19 RCT studies involving 747 intervention subjects and 627 placebo controls were included in this meta-analysis. Meta-analysis results showed that compared with the control group, the short-term vitamin D supplementation group had a decline in hemoglobin A1c (HbA1c), insulin resistance, and insulin. The Standard Mean Difference (SMD) (95% CI [95% confidence interval]) of HbA1c, insulin resistance, and insulin were -0.17 (-0.29, -0.05), -0.75 (-0.97, -0.53), -0.57 (-0.78, -0.35), respectively with all P value <.05. But there were no significant differences in long-term follow-up vitamin D intervention.Vitamin D supplementation in T2D patients can improve HbA1c, insulin resistance, and insulin in short-term intervention, suggesting that vitamin D can be considered as a therapeutic agent along with the other treatments for T2D.CONCLUSIONVitamin D supplementation in T2D patients can improve HbA1c, insulin resistance, and insulin in short-term intervention, suggesting that vitamin D can be considered as a therapeutic agent along with the other treatments for T2D. |
| Author | Wang, Aiping Hu, Zhiwei Wang, Lei Sun, Xinjuan Chen, Jin’an |
| AuthorAffiliation | Department of Endocrinology, 454 Hospital Affiliated to People's Liberation Army, Nanjing, Jiangsu Province, China |
| AuthorAffiliation_xml | – name: Department of Endocrinology, 454 Hospital Affiliated to People's Liberation Army, Nanjing, Jiangsu Province, China |
| Author_xml | – sequence: 1 givenname: Zhiwei surname: Hu fullname: Hu, Zhiwei organization: Department of Endocrinology, 454 Hospital Affiliated to People's Liberation Army, Nanjing, Jiangsu Province, China – sequence: 2 givenname: Jin’an surname: Chen fullname: Chen, Jin’an – sequence: 3 givenname: Xinjuan surname: Sun fullname: Sun, Xinjuan – sequence: 4 givenname: Lei surname: Wang fullname: Wang, Lei – sequence: 5 givenname: Aiping surname: Wang fullname: Wang, Aiping |
| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/30946322$$D View this record in MEDLINE/PubMed |
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| Snippet | Conflicting evidence exists on the effect of vitamin D supplementation on glucose metabolism in subjects with type 2 diabetes (T2D). Therefore, this... Supplemental Digital Content is available in the text |
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| SubjectTerms | Blood Glucose - drug effects Diabetes Mellitus, Type 2 - drug therapy Diabetes Mellitus, Type 2 - epidemiology Female Glycated Hemoglobin A - drug effects Humans Insulin - metabolism Insulin Resistance - physiology Randomized Controlled Trials as Topic Systematic Review and Meta-Analysis Vitamin D - administration & dosage Vitamin D - therapeutic use Vitamins - therapeutic use |
| Title | Efficacy of vitamin D supplementation on glycemic control in type 2 diabetes patients: A meta-analysis of interventional studies |
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