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Efficacy of entecavir and tenofovir in chronic hepatitis B under treatment in the public health system in southern Brazil
Pereira, Camila V; Tovo, Cristiane Valle; Grossmann, Thiago K; Mirenda, Henrique; Dal-Pupo, Bruna B; Almeida, Paulo RL de; Mattos, Angelo A de.
  • Pereira, Camila V; Universidade Federal de Ciências da Saúde de Porto Alegre. Porto Alegre. BR
  • Tovo, Cristiane Valle; Universidade Federal de Ciências da Saúde de Porto Alegre. Porto Alegre. BR
  • Grossmann, Thiago K; Universidade Federal de Ciências da Saúde de Porto Alegre. Porto Alegre. BR
  • Mirenda, Henrique; Universidade Federal de Ciências da Saúde de Porto Alegre. Porto Alegre. BR
  • Dal-Pupo, Bruna B; Universidade Federal de Ciências da Saúde de Porto Alegre. Porto Alegre. BR
  • Almeida, Paulo RL de; Universidade Federal de Ciências da Saúde de Porto Alegre. Porto Alegre. BR
  • Mattos, Angelo A de; Universidade Federal de Ciências da Saúde de Porto Alegre. Porto Alegre. BR
Mem. Inst. Oswaldo Cruz ; 111(4): 252-257, Apr. 2016. tab
Article in English | LILACS | ID: lil-778998
ABSTRACT
There are about 350 million hepatitis B virus (HBV) carriers worldwide and chronic HBV is considered a major public health problem. The objective of the present study was to assess the effectiveness of the nucleos(t)ide analogues tenofovir (TDF) and entecavir (ETV) in the treatment of chronic HBV. A cross-sectional study was carried out from March-December 2013, including all patients with chronic HBV, over 18 years of age, undergoing therapy through the public health system in southern Brazil. Only the data relating to the first treatments performed with TDF or ETV were considered. Retreatment, co-infection, transplanted or immunosuppressed patients were excluded. Six hundred and forty patients were evaluated, of which 336 (52.5%) received TDF and 165 (25.8%) ETV. The other 139 (21.7%) used various combinations of nucleos(t)ide analogues and were excluded. The negativation of viral load was observed in 87.3% and 78.8% and the negativation of hepatitis B e antigen was achieved in 79% and 72% of those treated with ETV or TDF, respectively. Negativation of hepatitis B surface antigen was not observed. There was no occurrence of adverse effects. This is a real-life study demonstrating that long-term treatment with ETV and TDF is both safe and effective.
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Full text: Available Index: LILACS (Americas) Main subject: Antiviral Agents / Hepatitis B, Chronic / Tenofovir / Guanine Type of study: Observational study / Prevalence study / Risk factors Limits: Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 2016 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal de Ciências da Saúde de Porto Alegre/BR

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Full text: Available Index: LILACS (Americas) Main subject: Antiviral Agents / Hepatitis B, Chronic / Tenofovir / Guanine Type of study: Observational study / Prevalence study / Risk factors Limits: Female / Humans / Male Country/Region as subject: South America / Brazil Language: English Journal: Mem. Inst. Oswaldo Cruz Journal subject: Tropical Medicine / Parasitology Year: 2016 Type: Article Affiliation country: Brazil Institution/Affiliation country: Universidade Federal de Ciências da Saúde de Porto Alegre/BR