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The presence of persistent inadequate or suboptimal virologic response is a strong risk factor for viral resistance and breakthrough and also for disease progression of chronic hepatitis B, and thus, a change in therapy is required. The combination of entecavir (ETV) and adefovir (ADV) is a promising treatment for patients with lamivudine (LAM)-resistance who show suboptimal response to the combination of LAM and ADV.
In this randomized, open labeled trial,the investigators will compare the efficacy of continuation of ADV plus LAM versus switch to ADV plus ETV in adults with LAM-resistant chronic hepatitis B who shows suboptimal response to the combination treatment of ADV and LAM.
Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Hepatitis B, Chronic
Adefovir plus Entecavir, Adefovir plus Lamivudine
Asan Medical Center
the Meteropolis of Seoul
Korea, Republic of
Asan Medical Center
Published on BioPortfolio: 2014-08-27T03:17:37-0400
The purpose of this study is to compare efficacy and safety of continuing Lamivudine plus Adefovir or Adefovir versus switching to Entecavir plus Adefovir in patients with LAM-resistant ch...
Antiviral resistance mutations limit the efficacy of therapy for chronic hepatitis B. At year 2, resistance to adefovir may occur as high as 25% in patients with history of lamivudine resi...
The purpose of this study is to evaluate the effectiveness of entecavir plus adefovir combination therapy versus entecavir monotherapy or therapy with adefovir plus lamivudine
Entecavir demonstrated superior virologic and biochemical benefits over lamivudine and adefovir. The investigators evaluated the effect of entecavir combined Hepatitis B immune globulin (H...
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INFLAMMATION of the LIVER in humans that is caused by HEPATITIS C VIRUS lasting six months or more. Chronic hepatitis C can lead to LIVER CIRRHOSIS.
INFLAMMATION of the LIVER with ongoing hepatocellular injury for 6 months or more, characterized by NECROSIS of HEPATOCYTES and inflammatory cell (LEUKOCYTES) infiltration. Chronic hepatitis can be caused by viruses, medications, autoimmune diseases, and other unknown factors.
INFLAMMATION of the LIVER in humans caused by HEPATITIS DELTA VIRUS in conjunction with HEPATITIS B VIRUS and lasting six months or more.
A closely related group of antigens found in the plasma only during the infective phase of hepatitis B or in virulent chronic hepatitis B, probably indicating active virus replication; there are three subtypes which may exist in a complex with immunoglobulins G.
A defective virus, containing particles of RNA nucleoprotein in virion-like form, present in patients with acute hepatitis B and chronic hepatitis. It requires the presence of a hepadnavirus for full replication. This is the lone species in the genus Deltavirus.
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