Entecavir in the treatment of chronic hepatitis B: multicenter randomized trials and real clinical practice


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Abstract

The goal of treatment for chronic hepatitis B (CHB) is now to improve quality of life and to prevent the poor outcomes of the disease rather than to eliminate the virus from the body. This goal may be achieved via the long-term maintenance of aviremia. According to the International and Russian clinical guidelines, entecavir is the first-line drug of choice to treat patients with CHB. For almost 10 years of world clinical practice there has been evidence that entecavir has a high efficacy and a favorable safety profile in a number of randomized clinical trials and in real medical practice worldwide, in Russia in particular. For instance, the BRAVR (Baraclude Russian Analysis of Virological Response) trial of 147 CHB patients from 10 Russian cities indicated that the rate of aviremia was 85.8% (n=147), 89.9% (n=138), 89.4% (n=97), and 93.5% (n=81) at 1, 2, 3, and 4 years, respectively. In addition to its virological, immunological, and biochemical efficacies, entecavir also proved to be effective in achieving the regression of histological changes and in preventing the decompensation of cirrhosis and the development of carcinoma. The given data permit the use of entecavir for the long-term therapy of CHB with confidence.

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Энтекавир в лечении хронического гепатита В: многоцентровые рандомизированные исследования и реальная клиническая практика. - Аннотация. В настоящее время целью лечения хронического гепатита В (ХГВ) являются улучшение качества жизни пациента и предотвращение неблагоприятных исходов заболевания, а не элиминация вируса из организма. Достижение этой цели возможно при длительном поддержании авиремии. Согласно международным и отечественным клиническим рекомендациям, энтекавир является препаратом первого ряда для лечения больных ХГВ. За почти 10 лет в мировой клинической практике доказаны высокая эффективность и благоприятный профиль безопасности энтекавира в ряде рандомизированных клинических исследований и в реальной врачебной практике в том числе в России. Так, в исследовании БРАВО (Бараклюд: Российский Анализ Вирусологического Ответа) с участием 147 больных ХГВ из 10 городов России частота авиремии составила 85,8% (n=147), 89,9% (n=138), 89,4% (n=97) и 93,5% (n=81) через 1, 2, 3 и 4 года соответственно. Помимо вирусологической, иммунологической и биохимической эффективности также доказана эффективность энтекавира в достижении обратного развития гистологических изменений, профилактике декомпенсации цирроза и развития гепатоцеллюлярной карциномы. Представленные данные позволяют уверенно использовать энтекавир для длительной терапии ХГВ.
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