Systematic review and meta-analysis of the effect of SGLT-2 inhibitors on microvascular outcomes in patients with type 2 diabetes: A review protocol

Edgar Gerardo Dorsey-Trevinõ, Belinda Maricela Contreras-Garza, José Gerardo González-González, Neri Álvarez-Villalobos, Alejandro Salcido-Montenegro, Alejandro Diáz González-Colmenero, Ann M. Farrell, Victoria González-Nava, Giselle Rodríguez-Tamez, Victor M. Montori, René Rodriguez-Gutierrez

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Introduction Sodium glucose cotransporter 2 (SGLT-2) inhibitors are a relatively new drug-class of glucose-lowering medications. Several trials and systematic reviews have demonstrated their beneficial effect on some macrovascular outcomes. Their effect on microvascular outcomes has been reported as positive in several trials, however, their effect remains uncertain. Therefore, we report the protocol of a systematic review and meta-analysis aimed at determining the effect of SGLT-2 inhibitors regarding patient-important and surrogate microvascular outcomes in patients with type 2 diabetes. Methods and analysis A comprehensive search will be conducted to find eligible articles from each database's earliest inception to November 2017. These databases will include Ovid, MEDLINE, EMBASE, Web of Science, and Scopus. We will search for randomized controlled trials (RCTs) that compare any of the SGLT-2 inhibitors with any other active treatment or placebo assessing microvascular outcomes in either their primary or secondary outcomes. Reviewers working independently and in duplicate will review all abstracts, and full-text manuscripts for eligibility, and will systematically extract the data and will assess the risk of bias in the included studies. Random-effects models will also be used. Ethics and dissemination The results of the systematic review will be disseminated via publication in a peer-reviewed journal regardless of outcome and will be presented at relevant conferences. The data we will use do not include individual patient data, so ethical approval is not required PROSPERO registration number CRD42017076460.

Original languageEnglish (US)
Article numbere020692
JournalBMJ open
Issue number6
StatePublished - Jun 1 2018


  • diabetic neuropathy
  • diabetic retinopathy
  • peripheral vascularization
  • sglt-2

ASJC Scopus subject areas

  • General Medicine


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