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The Bidirectional Relationship Between Type 2 Diabetes and Metabolic Dysfunction-Associated Steatotic Liver Disease: A Retrospective Cohort Study

Year: 2024

Type: article

Abstract: Introduction Type 2 diabetes (T2D) and metabolic dysfunction-associated steatotic liver disease (MASLD) have shared pathophysiology. We aim to explore associations between these diseases and the impact of T2D therapies on MASLD-related outcomes in a real-world population. Methods A retrospective cohort study included 153 patients with biopsy-proven MASLD. Health records were reviewed for biochemical or radiological changes over follow-up and compared by T2D status. The rate of incident T2D was determined, and in those with T2D, the changes over follow-up were compared by prescribed treatment. The statistical significance of changes over follow-up was evaluated by Student's t-test, and logistic regression was undertaken to determine the impact of variables on T2D development. Results One hundred and fifty-three patients were included with a mean follow-up of 48.0±22.0 months. Patients with T2D (n=73) were older than patients without T2D (n=80; 56.3 vs 51.9 years, p<0.05). Patients with T2D had a greater stage of hepatic fibrosis (2.6 vs 1.7, p<0.001). Nine (12.3%) patients with T2D and four (5.0%) without T2D died during follow-up (p=0.10). Patients without T2D had greater glycosylated haemoglobin (HbA1c) over follow-up (3.0 mmol/mol, p<0.01), and 21 (26.3%) developed T2D. Patients with T2D treated with sodium-glucose transporter-2 inhibitors (SGLT-2i) and/or glucagon-like peptide-1 receptor analogues (GLP-1RA) had a reduction in FibroScan®-controlled attenuation parameter (-33.7dB/m, p<0.001) but not liver stiffness measure. There were no significant FibroScan® changes in those receiving other treatments. Conclusions Patients with T2D had greater hepatic fibrosis, and one in four patients with MASLD developed T2D over four years. Treatment with SGLT-2i and/or GLP-1RA in patients with T2D is associated with improved measures of steatosis but not fibrosis.

Source: Cureus

DOI: 10.7759/cureus.75993