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Type 2 diabetes has its origins in obesity-associated insulin resistance compounded by a progressive inability to secrete adequate amounts of insulin in compensation. Clinical trials have shown that non-pharmacological strategies can reduce the risk of progression of glucose intolerance to diabetes in obese glucose-intolerant individuals. All too often however, clinical practice exposes the difficulties that many people have in achieving and sustaining lifestyle changes. Alternative strategies for diabetes prevention have therefore been sought.
In this meta-analysis, Phung et al identified randomised controlled studies (placebo or active comparator) of at least 3 months duration that each enrolled at least 20 participants. In addition to a conventional meta-analysis, the authors performed a mixed-treatment comparison. The aim of the latter analysis was …
Competing interests AJK has received professional consultancy fees, grant funding and/or fees for consultancies and lectures from Astra Zeneca, Bayer, Bristol-Myers Squibb, Eli Lilly, NovoNordisk, Pfizer, Servier and Takeda.