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Experimental HBV Drugs

EASL 2016: Core Inhibitor NVR 3-778 Plus Pegylated Interferon Inhibits Hepatitis B Activity

NVR 3-778, an experimental drug that interferes with hepatitis B virus (HBV) capsid assembly, led to reductions in HBV DNA, HBV RNA, and hepatitis B "e" antigen (HBeAg), showing greater activity when combined with pegylated interferon, researchers reported at the European Association for the Study of the Liver's International Liver Congress (EASL 2016) this month in Barcelona.

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EASL 2016: Tenofovir Alafenamide Works Well Against Hepatitis B with Less Effect on Bones and Kidneys

The new tenofovir alafenamide (TAF) pro-drug is as potent against hepatitis B virus (HBV) as the current tenofovir disoproxil fumarate (TDF) formulation, but with less detrimental effects on bone and kidney biomarkers, according to a pair of studies presented at the European Association for the Study of the Liver's International Liver Congress (EASL 2016) last week in Barcelona.

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AASLD 2015: REP 2139 Shows Promise for People with Hepatitis B and Hepatitis Delta Coinfection

The nucleic acid-based polymer REP 2139, used first as monotherapy then combined with pegylated interferon, reduced hepatitis B surface antigen (HBsAg) levels, lowered hepatitis delta viral load, and increased anti-HBs antibody titers, according to findings from a small Phase 2 study presented at the AASLD Liver Meeting taking place this week in San Francisco. Participants fell into 2 distinct groups, with half being partial responders and half full responders.

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AASLD 2015: Hepatitis B Core Inhibitor NVR 3-778 Inhibits Viral Replication

Novira Therapeutics' NVR 3-778, a novel drug that interferes with the hepatitis B virus (HBV) core protein, blocked replication of various types of HBV in a laboratory study and reduced HBV viral load with no apparent safety issues in an early human trial, researchers reported at the AASLD Liver Meeting in November.

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EASL 2015: Nucleic Acid Polymer REP 2139-Ca Shows Promise Against Hepatitis B and Delta Viruses

The nucleic acid-based polymer REP 2139-Ca lowered hepatitis B surface antigen (HBsAg) levels and significantly reduced hepatitis B and hepatitis delta viral loads when combined with immunotherapy, according to presentations at the European Association for the Study of the Liver (EASL) 50th International Liver Congress last month in Vienna.

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