Muhammad Ali Rathore, Agha Babar Hussain, Eijaz Ghani.
End-of-Treatment-Response in Patients Treated for Hepatitis C Virus with Standard Interferon and Ribavirin Based on Viral Load.
J Coll Physicians Surg Pak Jan ;25(2):104-7.

Objective: To determine the End-of-Treatment-Response (ETR) to standard interferon and ribavirin based regimen in patients of chronic hepatitis C and to compare the ETR response in low and high viral load groups. Study Design: Descriptive study. Place and Duration of Study: Virology Department, Armed Forces Institute of Pathology (AFIP), Rawalpindi, from March 2012 to May 2013. Methodology: Patients with chronic hepatitis C virus infection were included in the study. Pre-treatment viral load was determined by RoboGene Quantification kit. Based on viral load, the 400 patients were divided into two equal groups of low viral load (< 800,000 IU/ml) and high viral load (> 800,000 IU/ml). The patients were treated with standard interferon alpha (3 million units subcutaneously thrice weekly) and ribavirin (10.6 mg/kg body weight) for 6 months. ETR was measured using Sacace Biotechnologies Qualitative kit. Chi-square test was used to compare the ETR in the two viral load groups. P-value < 0.05 was considered as significant. Results: Out of 400 patients, 206 (51.5%) were males and 194 (48.5%) were females. Two hundred seventy (67.5%) patients achieved ETR and 130 (35.5%) failed to do so. In low viral load group, 145 (72.5%) patients achieved and 55 (27.5%) patients did not achieve ETR. In high viral load group, 123 (61.5%) patients achieved and 77 (38.5%) did not achieve ETR. The difference in ETR between low and high viral load groups was statistically significant (p=0.019). Conclusion: End-of-treatment-response in patients treated for hepatitis C virus with standard interferon and ribavirin was greater in patients with low viral load as compared to patients with high viral load.

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