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Elvucitabine is an experimental nucleoside reverse transcriptase inhibitor (NRTI), developed by Achillion Pharmaceuticals, Inc. for the treatment of HIV infection. Elvucitabine belongs to a class (group) of HIV drugs called nucleoside reverse transcriptase inhibitors (NRTIs).〔()〕 NRTIs block an HIV enzyme called reverse transcriptase. (An enzyme is a protein that starts or increases the speed of a chemical reaction). By blocking reverse transcriptase, NRTIs prevent HIV from multiplying and can reduce the amount of HIV in the body. Elvucitabine is similar in chemical structure to the FDA-approved NRTIs lamivudine (brand name Epivir) and emtricitabine (brand name Emtriva). However, ''in vitro'' studies have suggested that elvucitabine may work on certain HIV strains against which other NRTIs, such as lamivudine and emtricitabine, no longer work. (''In vitro'' studies are studies done in test tubes or other laboratory equipment and not on animals or humans). Studies have also suggested that elvucitabine may be effective against hepatitis B virus (HBV)〔()〕 Currently, it is in Phase II clinical trials. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Elvucitabine」の詳細全文を読む スポンサード リンク
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