Effects of basal insulin glargine and omega-3 fatty acid on cognitive decline and probable cognitive impairment in people with dysglycaemia: a substudy of the ORIGIN trial

The Lancet: 02 June 2014

Background

Diabetes and non-diabetic dysglycaemia are risk factors for accelerated cognitive decline. In this planned substudy of the Outcome Reduction with Initial Glargine Intervention (ORIGIN) trial, we assessed whether normalising glucose with insulin glargine or administering omega-3 fatty acids in this population may slow this process or affect the development of cognitive impairment.

Methods

The ORIGIN trial recruited participants older than 50 years with dysglycaemia who were taking either no or one oral glucose-lowering drug, who had additional risk factors for cardiovascular events, whose HbA1c was less than 9%, and who were not taking insulin. Participants were recruited from 573 sites in 40 countries. Participants were randomly assigned to either titrated basal insulin glargine targeting a fasting plasma glucose concentration of 5·3 mmol/L or lower or standard care and to either omega-3 fatty acid (1 g) or placebo by a factorial design. Read More

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