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Efficacy and Safety of Peg-Interferon Alpha-2a Plus Ribavirin in Genotype 1 Chronic Hepatitis C Participants Co-Infected With Human Immunodeficiency Virus

5 de julho de 2016 atualizado por: Hoffmann-La Roche

Randomized, Multi-Center, Phase IV, Comparative Study to Assess the Efficacy and Safety of Combined Peg-Interferon Alpha-2a (40 kD) With Ribavirin Combined Therapy for 48 or 72 Weeks of Treatment and 24 Weeks of Follow-Up in Patients With Chronic Hepatitis C, Genotype 1, Co-Infected With Human Immunodeficiency Virus

This randomized, multi-center, Phase IV, comparative study will assess the efficacy and safety of combined peg-interferon alpha-2a (Peg-IFN-Alpha-2A) and ribavirin therapy for 48 or 72 weeks of treatment and 24 weeks of follow-up in participants with Genotype 1 chronic hepatitis C (CHC), co-infected with human immunodeficiency virus type 1 (HIV-1).

Visão geral do estudo

Status

Concluído

Condições

Intervenção / Tratamento

Tipo de estudo

Intervencional

Inscrição (Real)

180

Estágio

  • Fase 4

Contactos e Locais

Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.

Locais de estudo

  • Brasil
      • Campinas, Brasil, 13081-970
      • Florianopolis, Brasil, 88032-001
      • Itajaí, Brasil, 88302-202
      • Juiz de Fora, Brasil, 36036-330
      • Porto Alegre, Brasil, 90020-160
      • Recife, Brasil, 52050-150
      • Ribeirão Preto, Brasil, 14048-900
      • Rio Grande, Brasil, 96200-310
      • Rio de Janeiro, Brasil, 21941-590
      • Rio de Janeiro, Brasil, 20270-901
      • Rio de Janeiro, Brasil, 21045-900
      • Santo Andre, Brasil, 09060-650
      • Santos, Brasil, 11045-904
      • Sao Paulo, Brasil, 04039-004
      • Sao Paulo, Brasil, 01246-000
      • Sao Paulo, Brasil, 04040-002
      • Sao Paulo, Brasil, 05403

Critérios de participação

Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.

Critérios de elegibilidade

Idades elegíveis para estudo

18 anos e mais velhos (Adulto, Adulto mais velho)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Descrição

Inclusion Criteria:

  • Serological evidence of chronic hepatitis C infection by anti-hepatitis C virus (HCV) test
  • Detectable HCV-ribonucleic acid (RNA) plasma level testing by Roche AMPLICOR HCV (<50 International Units per milliliter [IU/mL]) (qualitative test)
  • Chronic liver disease consistent with infection of CHC
  • Compensated liver disease (Child-Pugh Grade A)
  • Serological evidence of infection by HIV-1 test, anti-HIV-1 or HIV-1 RNA detection
  • Negative pregnancy urine or blood test (for women in childbearing age); additionally, all men and women of childbearing potential must agree to use two effective forms of contraception during the treatment and during the 6 months after the end of treatment

Exclusion Criteria:

  • Pregnant or nursing women and male partners of pregnant women
  • Prior therapy with interferon (IFN) or ribavirin and any investigational medication less than or equal to (</=) 6 weeks before the first dose of the study drug
  • History or other evidence of a medical condition associated with chronic liver disease further than HCV
  • Active opportunistic infection associated with HIV and / or cancer requiring systemic therapy
  • History of any other significant illness which in the investigator's opinion, could result in the participant's inability to meet the Protocol requirements

Plano de estudo

Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.

Como o estudo é projetado?

Detalhes do projeto

  • Finalidade Principal: Tratamento
  • Alocação: Randomizado
  • Modelo Intervencional: Atribuição Paralela
  • Mascaramento: Nenhum (rótulo aberto)

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Experimental: Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks
Participants will receive Peg-IFN-Alpha-2A and ribavirin for 48 weeks.
Medicamento: Peg-Interferon Alpha-2A
Peg-IFN-Alpha-2A will be administered at 180 micrograms (mcg) once weekly via subcutaneous injection.
Outros nomes:
  • Pegasys, Peg-IFN-Alpha-2A
Medicamento: Ribavirin
Ribavirin will be administered as either 1000 milligrams (mg) (2*200 mg tablets in morning and 3*200 mg tablets in evening) for participants weighing less than (<) 75 kilograms (kg) or as 1200 mg (3*200 mg tablets in morning and 3*200 mg tablets in evening) for participants weighing greater than or equal to (>/=) 75 kg.
Comparador Ativo: Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks
Participants will receive Peg-IFN-Alpha-2A and ribavirin for 72 weeks.
Medicamento: Peg-Interferon Alpha-2A
Peg-IFN-Alpha-2A will be administered at 180 micrograms (mcg) once weekly via subcutaneous injection.
Outros nomes:
  • Pegasys, Peg-IFN-Alpha-2A
Medicamento: Ribavirin
Ribavirin will be administered as either 1000 milligrams (mg) (2*200 mg tablets in morning and 3*200 mg tablets in evening) for participants weighing less than (<) 75 kilograms (kg) or as 1200 mg (3*200 mg tablets in morning and 3*200 mg tablets in evening) for participants weighing greater than or equal to (>/=) 75 kg.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Percentage of Participants With Sustained Virologic Response (SVR)
Prazo: 24 weeks after completion of study treatment (up to Week 72 for "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm and up to Week 96 for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm)
SVR was defined as having un-detectable hepatitis C virus (HCV) ribonucleic acid (RNA) levels 24 weeks after completion of study treatment. HCV RNA levels were measured using Roche COBAS AMPLICOR HCV Test (limit of detection: 50 International Units per milliliter [IU/mL]). Participants with detectable HCV RNA or without measurement at the end of the 24 week after completion of study treatment were considered as non-responders.
24 weeks after completion of study treatment (up to Week 72 for "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm and up to Week 96 for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm)

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Percentage of Participants With Undetectable HCV RNA
Prazo: For "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm: Weeks 4, 12, 24, and 48; for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm: Weeks 4, 12, 24, 48, and 72
HCV RNA levels were measured using Roche COBAS AMPLICOR HCV Test (limit of detection: 50 IU/mL). Data for this outcome measure was to be reported up to end of treatment visit (Week 48 for 'Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks' arm and Week 72 for 'Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks' arm).
For "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm: Weeks 4, 12, 24, and 48; for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm: Weeks 4, 12, 24, 48, and 72
Percentage of Participants With Undetectable HCV RNA 12 Weeks After the Last Dose of Peg-IFN-Alpha-2A
Prazo: 12 weeks after the last dose of Peg-IFN-Alpha-2A (up to Week 60 for "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm and up to Week 84 for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm)
HCV RNA levels were measured using Roche COBAS AMPLICOR HCV Test (limit of detection: 50 IU/mL). Participants with detectable HCV RNA or without measurement at the end of 12 weeks after the last dose of Peg-IFN-Alpha-2A were considered as non-responders.
12 weeks after the last dose of Peg-IFN-Alpha-2A (up to Week 60 for "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm and up to Week 84 for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm)
Percentage of Participants Without SVR Among Participants With Undetectable HCV RNA at the End of Treatment
Prazo: 24 weeks after completion of study treatment (up to Week 72 for "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm and up to Week 96 for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm)
SVR was defined as having undetectable HCV RNA levels 24 weeks after completion of study treatment. HCV RNA levels were measured using Roche COBAS AMPLICOR HCV Test (limit of detection: 50 IU/mL). Percentage of participants without SVR among participants with undetectable HCV RNA at the end of treatment was reported (end of treatment = Week 48 for "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm and Week 72 for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm).
24 weeks after completion of study treatment (up to Week 72 for "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm and up to Week 96 for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm)
Serum Human Immunodeficiency Virus (HIV) RNA Levels
Prazo: For "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm: Weeks 4, 12, 24, 48, and 72; for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm: Weeks 4, 12, 24, 48, 72, and 96
HIV RNA levels were measured using Roche AMPLICOR MONITOR HIV-1 Test (limit of detection: 400 HIV-1 RNA copies/mL). Data for this outcome measure was to be reported up to 24 weeks after end of treatment visit (Week 72 for 'Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks' arm and Week 96 for 'Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks' arm).
For "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm: Weeks 4, 12, 24, 48, and 72; for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm: Weeks 4, 12, 24, 48, 72, and 96
Change From Baseline in Cluster of Differentiation (CD) 4 (CD4) Cell Counts at Weeks 4, 12, 24, 48, 72, and 96
Prazo: For "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm: Baseline, Weeks 4, 12, 24, 48, and 72; for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm: Baseline, Weeks 4, 12, 24, 48, 72, and 96
Data for this outcome measure was to be reported up to 24 weeks after end of treatment visit (Week 72 for 'Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks' arm and Week 96 for 'Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks' arm).
For "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm: Baseline, Weeks 4, 12, 24, 48, and 72; for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm: Baseline, Weeks 4, 12, 24, 48, 72, and 96
Change From Baseline in CD4/CD8 Ratio at Weeks 4, 12, 24, 48, 72, and 96
Prazo: For "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm: Baseline, Weeks 4, 12, 24, 48, and 72; for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm: Baseline, Weeks 4, 12, 24, 48, 72, and 96
Data for this outcome measure was to be reported up to 24 weeks after end of treatment visit (Week 72 for 'Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks' arm and Week 96 for 'Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks' arm).
For "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm: Baseline, Weeks 4, 12, 24, 48, and 72; for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm: Baseline, Weeks 4, 12, 24, 48, 72, and 96
Percentage of Participants With Alanine Aminotransferase (ALT) Level Categories
Prazo: For "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm: Weeks 4, 12, 24, 48, and 72; for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm: Weeks 4, 12, 24, 48, 72, and 96
ALT levels were classified as: Normal Limit (NL) (as per laboratory standard), >1-2 Upper Normal Limit (ULN), >2-5 ULN, >5-10 ULN, and >10 ULN. Percentage of participants in each of these ALT level categories was reported. Data for this outcome measure was to be reported up to 24 weeks after end of treatment visit (Week 72 for 'Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks' arm and Week 96 for 'Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks' arm).
For "Peg-IFN-Alpha-2A+Ribavirin - 48 Weeks" arm: Weeks 4, 12, 24, 48, and 72; for "Peg-IFN-Alpha-2A+Ribavirin - 72 Weeks" arm: Weeks 4, 12, 24, 48, 72, and 96

Colaboradores e Investigadores

É aqui que você encontrará pessoas e organizações envolvidas com este estudo.

Patrocinador

Hoffmann-La Roche

Datas de registro do estudo

Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados ​​pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.

Datas Principais do Estudo

Início do estudo

1 de abril de 2005

Conclusão Primária (Real)

1 de maio de 2008

Conclusão do estudo (Real)

1 de maio de 2008

Datas de inscrição no estudo

Enviado pela primeira vez

3 de maio de 2016

Enviado pela primeira vez que atendeu aos critérios de CQ

3 de maio de 2016

Primeira postagem (Estimativa)

4 de maio de 2016

Atualizações de registro de estudo

Última Atualização Postada (Estimativa)

16 de agosto de 2016

Última atualização enviada que atendeu aos critérios de controle de qualidade

5 de julho de 2016

Última verificação

1 de julho de 2016

Mais Informações

Termos relacionados a este estudo

Termos MeSH relevantes adicionais

Outros números de identificação do estudo

  • ML18473

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