<prompt> Drug that can cause complete histopathological resolution in patients with hepatitis B is:CyclosporinprednisoloneEntercavirNone of the above  <response>: ANTIVIRAL DRUGS: CLASSI FICATION Anti-Herpes virus Idoxuridine, Acyclovir, Valacyclovir, Famciclovir, Ganciclovir, Foscarnet 2 Anti-Retrovirus a Nucleoside reverse transcriptase inhibitors Nis: Zidovudine AZT, Didanosine, Zalcitabine, Stavudine, Lamivudine, Abaca vir b Nonnucleoside reverse transcriptase inhibitors NNis: Nevirapine, Eirenz, Delavirdine c Protease inhibitors: Ritonavir, Indinavir, Nelfinavir, Saquinavir, Amprenavir, Lopinavir 3. Anti-Influenza virus Amantadine, Rimantadine 4. NonselectiVe antiviral drugs Ribavirin, Lamivudine, Adefovir dipivoxil, Interferon a Not yet marketed in India. Entecavir is used to treat chronic long-term hepatitis B infection swelling of the liver caused by a virus in people who have liver damage. Entecavir is in a class of medications called nucleoside analogs. It works by decreasing the amount of hepatitis B virus HBV in the body. Entecavir does not cure HBV and may not prevent complications of chronic hepatitis B such as cirrhosis of the liver or liver cancer. Entecavir does not prevent the spread of HBV to other people. Calcineurin inhibitors Specific T-cell inhibitorsimmunosuppressant drugs:cyclosporine It profoundly and selectively inhibits T lymphocyte proliferation, IL-2 and other cytokine production and response of inducer T cells to IL-l, without any effect on suppressor T-cells. Lymphocytes are arrested in G0 or G1 phase ESSENTIALS OF MEDICAL PHARMACOLOGY,medlineplus.govdruginfomedsa605028.html K.D.TRIPATHI SIXTH EDITION PAGE NO:837,767 . 