Garg H, Sarin SK, Kumar M, Garg V, Sharma BC, Kumar A.
Hepatology. 2011 Mar;53(3):774-80. doi: 10.1002/hep.24109. Epub 2011 Feb 3.
Department of Gastroenterology, GB Pant Hospital, New Delhi, India.
Erratum in Hepatology. 2011 Sep 2;54(3):1114.
Spontaneous reactivation of chronic hepatitis B (CHB) is an important cause of acute-on-chronic liver failure (ACLF). Antiviral drugs may help reduce the high morbidity and mortality in such patients, especially in places where liver transplant is not available. The aim was to evaluate the efficacy of tenofovir and to determine the predictors of mortality in patients with spontaneous reactivation of CHB with ACLF. Consecutive patients of ACLF due to spontaneous reactivation of CHB were randomized to receive either tenofovir or placebo. The primary endpoint was survival at 3 months. Of the 90 patients with ACLF of different etiologies, 27 (26%) were due to reactivation of CHB and were enrolled. The median baseline hepatitis B virus (HBV) DNA level was 9 × 10(5) IU/mL. Fourteen patients received tenofovir and 13 placebo. At 3 months the probability of survival was higher in the tenofovir than the placebo group (8/14 [57%] versus 2/13 [15%], respectively; P = 0.03). The cause of death in the 15 patients was progressive liver failure leading to multiorgan failure. Liver transplantation could not be offered due to its nonavailability. In the surviving patients, there was a significant improvement in the Child-Turcotte Pugh (CTP) and model for endstage liver disease (MELD) scores and significant decline in the HBV DNA levels in the tenofovir group, whereas these parameters did not change significantly in the placebo group. More than 2 log reduction in HBV DNA levels at 2 weeks was found to be an independent predictor of survival.
Tenofovir significantly reduces HBV-DNA levels, improves CTP and MELD scores, and reduces mortality in patients with severe spontaneous reactivation of CHB presenting as ACLF. Reduction in HBV-DNA levels at 2 weeks should be a desirable goal and is a good predictor of survival.
The ethics of placebo treatment for patients with acute exacerbation of chronic hepatitis B. [Hepatology. 2011]
Outcome of patients suffering from a spontaneous reactivation of hepatitis B presenting as acute-on-chronic liver failure and treated with antivirals. [Hepatology. 2011]
Proper antiviral therapy for hepatitis B virus-associated acute-on-chronic liver failure. [Hepatology. 2011]
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