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Effectiveness and safety of first-generation protease inhibitors in real-world patients with hepatitis C virus genotype 1 infection in Brazil: a multicenter study

Callefi, Luciana Azevedo; Villela-Nogueira, Cristiane Alves; de Barros Tenore, Simone; Carnaúba-Júnior, Dimas; Coelho, Henrique Sérgio Moraes; Pinto, Paulo de Tarso A; Nabuco, Letícia Cancella; Pessoa, Mário Guimarães; Ferraz, Maria Lucia Cardoso Gomes; Ferreira, Paulo Roberto Abrão; de Lourdes Candolo Martinelli, Ana; Chachá, Silvana Gama Florencio; de Souza Paiva Ferreira, Adalgisa; de Macedo Bisio, Alessandra Porto; Brandão-Mello, Carlos Eduardo; Álvares-Da-Silva, Mário Reis; Reuter, Tânia; Ivantes, Claudia Alexandra Pontes; de Mello Perez, Renata; Mendes-Correa, Maria Cássia Jacintho.
Clinics; 72(6): 378-385, June 2017. tab, graf
Artigo em Inglês | LILACS | ID: biblio-840088

OBJECTIVE:

To evaluate the effectiveness and safety of first-generation protease inhibitors for the treatment of genotype 1 hepatitis C virus-infected patients at Brazilian reference centers.

METHODS:

This multicenter cross-sectional study included hepatitis C virus genotype 1 monoinfected patients treated with Peg-interferon, ribavirin, and either boceprevir (n=158) or telaprevir (n=557) between July 2013 and April 2014 at 15 reference centers in Brazil. Demographic, clinical, virological, and adverse events data were collected during treatment and follow-up.

RESULTS:

Of the 715 patients, 59% had cirrhosis and 67.1% were treatment-experienced. Based on intention-to-treat analysis, the overall sustained viral response was 56.6%, with similar effectiveness in both groups (51.9% for boceprevir and 58% for telaprevir, p=0.190). Serious adverse events occurred in 44.2% of patients, and six deaths (0.8%) were recorded. Cirrhotic patients had lower sustained viral response rates than non-cirrhotic patients (46.9% vs. 70.6%, p<0.001) and a higher incidence of serious adverse events (50.7% vs. 34.8%, p<0.001). Multivariate analysis revealed that sustained viral response was associated with the absence of cirrhosis, viral recurrence after previous treatment, pretreatment platelet count greater than 100,000/mm3, and achievement of a rapid viral response. Female gender, age>65 years, diagnosis of cirrhosis, and abnormal hemoglobin levels/platelet counts prior to treatment were associated with serious adverse events.

CONCLUSION:

Although serious adverse events rates were higher in this infected population, sustained viral response rates were similar to those reported for other patient cohorts.
Biblioteca responsável: BR1.1
Selo DaSilva