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  • Title: Dulaglutide decreases plasma aminotransferases in people with Type 2 diabetes in a pattern consistent with liver fat reduction: a post hoc analysis of the AWARD programme.
    Author: Cusi K, Sattar N, García-Pérez LE, Pavo I, Yu M, Robertson KE, Karanikas CA, Haupt A.
    Journal: Diabet Med; 2018 Oct; 35(10):1434-1439. PubMed ID: 29869810.
    Abstract:
    AIMS: To evaluate the effects of dulaglutide vs placebo on liver and glycaemic/metabolic measurements in a population with Type 2 diabetes and in a subgroup with non-alcoholic fatty liver/non-alcoholic steatohepatitis. METHODS: A total of 1499 participants from AWARD-1, AWARD-5, AWARD-8 and AWARD-9 clinical trials were included in this analysis (dulaglutide 1.5 mg, n=971 and placebo, n=528). Thresholds of alanine aminotransferase levels ≥30 IU/l in men and ≥19 IU/l in women were used to determine the subgroup who had non-alcoholic fatty liver/non-alcoholic steatohepatitis. Objectives included changes from baseline to 6 months in: (1) alanine aminotransferase, aspartate transaminase and gamma-glutamyl transpeptidase levels in the overall population and (2) alanine aminotransferase, aspartate transaminase, gamma-glutamyl transpeptidase and glycaemic/metabolic measurements (e.g. HbA1c , fasting serum glucose, body weight, lipids and homeostatic model assessment) in the non-alcoholic fatty liver/non-alcoholic steatohepatitis subgroup. RESULTS: In the overall population at 6 months, dulaglutide significantly reduced alanine aminotransferase, aspartate transaminase and gamma-glutamyl transpeptidase levels vs placebo [least squares mean treatment differences: -1.7 IU/l (95% CI -2.8, -0.6), P=0.003; -1.1 IU/l (95% CI -2.1, -0.1), P=0.037; -6.6 IU/l (95% CI -12.4, -0.8), P=0.025, respectively]. In the subgroup with non-alcoholic fatty liver/non-alcoholic steatohepatitis (alanine aminotransferase levels greater than or equal to the upper limit of normal), mean baseline liver enzyme values were 38.0 IU/l, 27.8 IU/l and 43.9 IU/l for alanine aminotransferase, aspartate transaminase and gamma-glutamyl transpeptidase, respectively. In this population, more pronounced reductions from baseline in alanine aminotransferase were observed with dulaglutide vs placebo (-8.8 IU/l vs -6.7 IU/l). In the subgroup of people with alanine aminotransferase levels less than the upper limit of normal, changes from baseline in alanine aminotransferase did not significantly differ between treatment groups (0.0 IU/l vs 0.7 IU/l). CONCLUSIONS: Once-weekly dulaglutide improved alanine aminotransferase, aspartate transaminase and gamma-glutamyl transpeptidase levels compared with placebo in a pattern consistent with liver fat reductions. Our results add further weight to the notion that glucagon-like peptide-1 receptor agonists may provide benefit in lowering liver fat in addition to their other metabolic actions.
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