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Vitamin D supplementation and energy and metabolic homoeostasis in obese and overweight subjects: a protocol for a systematic review.
He, Yu; Yang, Xiao; Li, Min; Zhang, Anren; Sun, Nianyi.
  • He Y; Department of Rehabilitation, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China.
  • Yang X; Department of Rehabilitation, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China.
  • Li M; Department of Rehabilitation, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China.
  • Zhang A; Department of Rehabilitation, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China sny1986@hotmail.com 1518526780@qq.com.
  • Sun N; Department of Rehabilitation, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China sny1986@hotmail.com 1518526780@qq.com.
BMJ Open ; 11(9): e051230, 2021 09 30.
Article in English | MEDLINE | ID: covidwho-1443604
ABSTRACT

INTRODUCTION:

Obesity and vitamin D deficiency are major public health problems. According to the pathophysiological mechanism of obesity as well as the bidirectional relationship between obesity and vitamin D metabolism and storage, vitamin D supplementation in obese and overweight subjects could have beneficial effects on the energy and metabolic homoeostasis. This review will assess the efficacy of vitamin D supplementation on the energy and metabolic homoeostasis in overweight and obese subjects. METHODS AND

ANALYSIS:

In accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses Protocols, we retrieved the relevant literature from the following electronic bibliographic databases MEDLINE/PubMed, EMBASE and the Cochrane Central Register of Controlled Trials, from inception to June 2021. A manual search of the reference lists of all the relevant research articles will be performed to identify additional studies. We will include randomised controlled trials (RCTs) published in English that examine the effects of vitamin D supplementation on energy and metabolic homoeostasis in overweight and obese subjects. RCTs with multiple vitamin D groups will also be included. Two reviewers will independently complete the article selection, data extraction and rating. The bias tool from the Cochrane Handbook for Systematic Reviews of Interventions was used to assess the methodological quality of the included studies. A narrative or quantitative synthesis will be performed based on the available data. The planned start and end dates for the study were 1 February 2021 and 1 March 2022. ETHICS AND DISSEMINATION Ethical approval will not be required for this review. The results of this review will be disseminated in a peer-reviewed journal. PROSPERO REGISTRATION NUMBER CRD42021228981.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Overweight / Obesity Type of study: Experimental Studies / Randomized controlled trials / Reviews / Systematic review/Meta Analysis Topics: Traditional medicine Limits: Humans Language: English Journal: BMJ Open Year: 2021 Document Type: Article Affiliation country: Bmjopen-2021-051230

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Overweight / Obesity Type of study: Experimental Studies / Randomized controlled trials / Reviews / Systematic review/Meta Analysis Topics: Traditional medicine Limits: Humans Language: English Journal: BMJ Open Year: 2021 Document Type: Article Affiliation country: Bmjopen-2021-051230