AIM: To investigate serum interleukin (IL)-38 level and its clinical role in predicting virological response (VR) to telbivudine (LdT) in patients with chronic hepatitis B (CHB). METHODS: The study participants were divided into two groups; one group consisted of 43 healthy controls (HCs) and the other group consisted of 46 patients with hepatitis B e antigen-positive CHB. All patients were administered 600 mg of oral LdT daily for 52 wk, and they visited physicians every 12 wk for physical examination and laboratory tests. Serum IL-38 levels were determined using ELISA. The concentrations of serum Th1- and Th2-type cytokines were measured using the cytometric bead array (CBA) method. RESULTS: Serum levels of IL-38 at baseline in all patients were higher than those in HCs [306.97 (123.26-492.79) pg/mL vs 184.50 (135.56-292.16) pg/mL, P = 0.019]; the levels returned to normal after the first 12 wk of treatment with LdT [175.51 (103.90-331.91) pg/mL vs 184.50 (135.56-292.16) pg/mL, P > 0.05]. Serum IL-38 levels at baseline were positively associated with serum aspartate aminotransferase levels in patients with CHB (r = 0.311, P = 0.036). Higher levels of serum IL-38 at baseline were associated with a greater probability of VR to LdT treatment at 24 wk (48.15% vs 15.79%, P = 0.023) and 52 wk (66.67% vs 36.84%, P = 0.044). The levels of serum IL-38 in patients with primary non-response at week 12 after treatment initiation were lower than those in patients with primary response [64.44 (49.85-172.08) pg/mL vs 190.54 (121.35-355.28) pg/mL, P = 0.036]. Serum IL-38 levels were correlated with serum IL-6 and IL-12 levels in patients with CHB during treatment with LdT. CONCLUSION: Elevated serum IL-38 levels in untreated CHB patients reflect ongoing liver injury. Higher serum IL-38 levels before treatment indicate a greater probability of VR to LdT treatment.
AIM: To investigate serum interleukin (IL)-38 level and its clinical role in predicting virological response (VR) to telbivudine (LdT) in patients with chronic hepatitis B (CHB). METHODS: The study participants were divided into two groups; one group consisted of 43 healthy controls (HCs) and the other group consisted of 46 patients with hepatitis B e antigen-positive CHB. All patients were administered 600 mg of oral LdT daily for 52 wk, and they visited physicians every 12 wk for physical examination and laboratory tests. Serum IL-38 levels were determined using ELISA. The concentrations of serum Th1- and Th2-type cytokines were measured using the cytometric bead array (CBA) method. RESULTS: Serum levels of IL-38 at baseline in all patients were higher than those in HCs [306.97 (123.26-492.79) pg/mL vs 184.50 (135.56-292.16) pg/mL, P = 0.019]; the levels returned to normal after the first 12 wk of treatment with LdT [175.51 (103.90-331.91) pg/mL vs 184.50 (135.56-292.16) pg/mL, P > 0.05]. Serum IL-38 levels at baseline were positively associated with serum aspartate aminotransferase levels in patients with CHB (r = 0.311, P = 0.036). Higher levels of serum IL-38 at baseline were associated with a greater probability of VR to LdT treatment at 24 wk (48.15% vs 15.79%, P = 0.023) and 52 wk (66.67% vs 36.84%, P = 0.044). The levels of serum IL-38 in patients with primary non-response at week 12 after treatment initiation were lower than those in patients with primary response [64.44 (49.85-172.08) pg/mL vs 190.54 (121.35-355.28) pg/mL, P = 0.036]. Serum IL-38 levels were correlated with serum IL-6 and IL-12 levels in patients with CHB during treatment with LdT. CONCLUSION: Elevated serum IL-38 levels in untreated CHB patients reflect ongoing liver injury. Higher serum IL-38 levels before treatment indicate a greater probability of VR to LdT treatment.
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