• Dr. Amna Awan,

• Muhammad Umar

• Hamama tul

• Bushra Khaar*

• Afifa Kulsoom, Zahid

تلخیص

Background: Hepatitis is a major public health problem in Pakistan due to its strong association with liver failure and hepatocellular carcinoma. In Pakistan, conventional interferon therapy along with Ribavirin is favoured especially in Government funded programs for treatment of Hepatitis C, over the more expensive Pegylated Interferon and Ribavirincombination therapy as recommended by Pakistan society of Gastroenterology and GI endoscopy due to its favourableresults observed in genotype 3 which is the dominant genotype of this region. Objective of our study wasto assess the viriological responses with standard interferon therapy and to determine the predictive values of early viriological response (EVR) for Sustained Viriological Response (SVR) in chronic hepatitis C patients treated with standard interferon therapy. Methods: A cross sectional study was conducted on patients with chronic hepatitis C having received standard interferon and ribavirin therapy for six months.EVR and SVR were noted for analysis. Positive and negative predictive values of EVR on SVR were calculated. Results:Out of the total sample (N=3075), 1946(63.3%) patients were tested for EVR. 1386(71.2%) were positive while 560(28.8%) were negative while 516 (16.8%) were tested for SVR. Two hundred and eighty-five (55.2%) were positive while 231(44.8%) were negative. EVR and SVR tested were n=117. Positive predictive value of EVR on SVR was 67.1% and negative predictive value was 65.8%. Statistically significant association between EVR and SVR was determined with Chi square statistic of 11.8 (p-value <0.0001).Conclusion:EVR is a good predictor of response of patients to standard interferon and ribavirin therapy. In the absence of an EVR, it seems imperative to stop further treatment. Virilogical responses with conventional interferon therapy are comparable to those of pegylated interferon therapy so adoption of conventional INF therapy is justified in terms of its cost effectiveness especially in resource constrained nations like Pakistan.

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