PMID: 16640106Apr 28, 2006Paper

Comparison of two different regimens of combined interferon-alpha2a and lamivudine therapy in children with chronic hepatitis B infection

Antiviral Therapy
Aydan KansuRasit Vural Yagci

Abstract

To evaluate the efficacy of two regimens of combined interferon-alpha2a (IFN-alpha2a) and lamivudine (3TC) therapy in childhood chronic hepatitis B. A total of 177 patients received IFN-alpha2a, 9 million units (MU)/m2 for 6 months. In group I (112 patients, 8.7 +/- 3.5 years), 3TC (4 mg/kg/day, max 100 mg) was started simultaneously with IFN-alpha2a, in group II (65 patients, 9.6 +/- 3.8 years) 3TC was started 2 months prior to IFN-alpha2a. 3TC was continued for 6 months after antiHBe seroconversion or stopped at 24 months in nonresponders. Baseline alanine aminotransferase (ALT) was 134.2 +/- 34.1 and 147.0 +/- 45.3; histological activity index (HAI) was 7.4 +/- 2.7 and 7.1 +/- 2.3; and HBV DNA levels were above 2,000 pg/ml in 76% and 66% of patients in groups I and II, respectively (P > 0.005). Complete response was 55.3% and 27.6% in groups I and II, respectively (P < 0.01). AntiHBe seroconversion was higher and earlier, and HBV DNA clearance was earlier in group I (P < 0.05). HBsAg clearance was 12.5% and 4.6% and antiHBs seroconversion was 9.8% and 6.2% in groups I and II, respectively (P > 0.05). Breakthrough occurred in 17.9% and 24.6%; breakthrough times were 15.9 +/- 4.6 and 14.1 +/- 5.1 months; and relapse rates were...Continue Reading

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