Mohammad Abdul Naeem, Imran Khan, Jamal Waris, Muhammad Usman.
Efficacy of Interferon therapy in patients of chronic hepatitis B viral infection treated at MH Rawalpindi.
Professional Med J Jan ;15(3):380-6.

Background: The consequences of acute and chronic HBV infection are major public health problems. These infections may progress to cirrhosis, liver failure, and Hepatocellular carcinoma Treatment of chronic replicative hepatitis B virus (HBV) infection is aimed at stopping viral replication and preventing the development of chronic liver disease. Objective: To determine the efficacy of Interferon therapy in patients of chronic Hepatitis B treated at MH Rawalpindi, by comparison of PCR for HBV DNA before and after Interferon therapy. Study Design: Quasi-experimental study. Place and duration of study: Military Hospital, Rawalpindi from July 2003 to December 2005. Subjects and Methods: The efficacy of a 4-month course of subcutaneously administered human recombinant interferon Alfa was studied. A total of 50 patients of proven chronic viral hepatitis B with presence of hepatitis B surface antigen and hepatitis B virus DNA (HBV DNA) in the serum were enrolled over the span of 30 months. All patients were treated with 5 mega units of recombinant interferon alfa-2b subcutaneously once daily for 4 months. PCR for HBV DNA was performed at the end of fourth month in treated patients as a predictor of response to interferon therapy. Results: The treatment was well tolerated, only in three patients treatment was ceased due to severe depression while none of the other patient required dosage reduction or cessation of treatment because of side effects. In 22 treated persons (44.0%) PCR for HBV DNA becomes negative showed response to treatment. This finding is statistically significant (p less than 0.05). Conclusion: Interferon Alfa has significant efficacy in chronic Hepatitis B. Patients of chronic Hepatitis B in whom Interferon therapy is not contraindicated should be treated with Interferon Alfa to avoid long term complication of infection.

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