Diagnostic performance of Mac-2-binding protein glycosylation isomer (M2BPGi) as a liver fibrosis marker in chronic hepatitis C patients with chronic kidney disease on hemodialysis.

BACKGROUND/AIM: Liver fibrosis assessment is essential to determine the initiation, duration, and evaluation of chronic hepatitis C treatment. Therefore, the study aimed to assess the role of Mac-2-binding protein glycosylation isomer (M2BPGi) as a biomarker to measure liver fibrosis in chronic hepatitis C patients with chronic kidney disease on hemodialysis.

METHODS: This study used a cross-sectional design. Serum M2BPGi level and transient elastography results were evaluated in 102 chronic hepatitis C patients with CKD on HD, 36 CKD on HD patients, and 48 healthy controls. ROC analysis was conducted to identify the optimal cutoff values to assess significant fibrosis and cirrhosis among chronic hepatitis C patients with CKD on HD.

RESULTS: In chronic hepatitis C patients with CKD on HD, the level of serum M2BPGi had a moderately significant correlation with transient elastography (r = 0.447, p < 0.001). The median serum M2BPGi was higher among CKD on HD patients compared to healthy controls (1.260 COI vs. 0.590 COI, p < 0.001) and was even higher in chronic hepatitis C patients with CKD on HD compared to CKD on HD group (2.190 COI vs. 1.260 COI, p < 0.001). It is also increased according to the severity of liver fibrosis: 1.670 COI, 2.020 COI, and 5.065 COI for F0-F1, significant fibrosis, and cirrhosis, respectively. The optimal cutoff values for diagnosing significant fibrosis and cirrhosis were 2.080 and 2.475 COI, respectively.

CONCLUSION: Serum M2BPGi could be a simple and reliable diagnostic tool for evaluating cirrhosis in chronic hepatitis C patients with CKD on HD.