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Efficacy of Omalizumab in Adults (18-60 Years of Age) With Moderate-Severe, Persistent Allergic Asthma, Despite Receiving Inhaled Corticosteroids and Long Acting Beta-agonists (eXplore)

12 de dezembro de 2012 atualizado por: Novartis Pharmaceuticals

A Randomized, Multi-center, Double-blind, Placebo-controlled, Parallel-group Trial to Explore the Effects of 78 Weeks Omalizumab Treatment Given as Add on Therapy on Markers of Airway Inflammation and Remodeling in Patients With Moderate to Severe Persistent Allergic Asthma Receiving Inhaled Corticosteroids and Long Acting Beta-agonists

This study aims to investigate the effect of omalizumab on the number of tissue eosinophils and other markers of airway inflammation and remodeling, including thickness of the lamina reticularis, in moderate to severe asthmatics with persistent symptoms and evidence of airway inflammation despite treatment with inhaled corticosteroids and long acting beta-agonists. This study will also investigate the correlation between systemic and pulmonary inflammation, and the correlation between clinical outcomes and changes within the tissue, to assist in the future identification of patients with tissue eosinophilia and their response to treatment, without the need for invasive bronchoscopy.

Visão geral do estudo

Tipo de estudo

Intervencional

Inscrição (Real)

36

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

      • Mainz, Alemanha, D-55101
        • Novartis Investigative Site
      • Quebec, Canadá, G1V 4G5
        • Novartis Investigative Site
    • Alberta
      • Calgary, Alberta, Canadá, T2N 4N1
        • Novartis Investigative Site
    • Quebec
      • Montreal, Quebec, Canadá, H2X 2P4
        • Novartis Investigative Site
    • Colorado
      • Denver, Colorado, Estados Unidos, 80206
        • Novartis Investigative Site
    • Missouri
      • St. Louis, Missouri, Estados Unidos, 63110
        • Novartis Investigative Site
    • North Carolina
      • Durham, North Carolina, Estados Unidos, 27710
        • Novartis Investigative Site
    • Pennsylvania
      • Philadelphia, Pennsylvania, Estados Unidos, 19104
        • Novartis Investigative Site
      • Philadelphia, Pennsylvania, Estados Unidos, 19140
        • Novartis Investigative Site
    • Texas
      • Galveston, Texas, Estados Unidos, 77555-1083
        • Novartis Investigative Site
      • Montpellier, França, 34059
        • Novartis Investigative Site
      • Leiden 2333 ZA, Holanda, 2333
        • Novartis Investigative Site
      • Glasgow - Scotland, Reino Unido, G12 OYN
        • Novartis Investigative Site
      • Manchester, Reino Unido, M20 8LR
        • Novartis Investigative Site
      • Southampton, Reino Unido, SO16 6YD
        • Novartis Investigative Site
      • Lund, Suécia, SE-221 85
        • Novartis Investigative Site

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 a 75 anos (Adulto, Adulto mais velho)

Aceita Voluntários Saudáveis

Não

Gêneros Elegíveis para o Estudo

Tudo

Descrição

Inclusion Criteria:

  • Patients 18-75 years of age with moderate to severe persistent allergic asthma receiving a high dose inhaled corticosteroid (≥800µg per day BDP or equivalent) and a regular long acting beta-agonist for at least 3 months prior to screening
  • With a body weight between 20 and 150kg and a serum total IgE level of 30 to 700 IU/mL
  • With ≥2% eosinophilia in induced sputum at screening
  • With post-bronchodilator forced expiratory volume in 1 second (FEV1) ≥60% predicted
  • With a positive skin prick test (diameter of wheal ≥ 3 mm) or RAST test to at least one perennial aero-allergen (eg. dust mite, cat/dog dander, cockroaches), documented within the past 2 years or demonstrated at Visit 1, to which the patient will be exposed on a regular basis (most days) for the duration of the study.

Exclusion Criteria:

  • Patients who've had an asthma exacerbation during the 4 weeks prior to randomization
  • Current smokers, stopped smoking within the last 12 months or have a smoking history of >10 pack years
  • History of severe allergy to food or drugs
  • Previous treatment with omalizumab
  • Any patient considered to be unsuitable to bronchoscopy, according to the judgment of the investigator

Other protocol-defined inclusion/exclusion criteria applied.

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: Triplo

Armas e Intervenções

Grupo de Participantes / Braço
Intervenção / Tratamento
Comparador Ativo: omalizumab
Omalizumab was supplied as lyophilized, sterile powder in a single use, 5 ml vial that was designed to deliver 150 mg of omalizumab for subcutaneous (SQ) administration upon reconstitution with 1.4 ml sterile water for injection. The dose administered was individualized for each patient based on the patient's body weight and total serum Immunoglobulin E (IgE) level at Visit 1 and the number of injections and injection volume was determined using protocol-specified dosing tables. Omalizumab 75 to 375 mg was administered SQ every 2 or 4 weeks depending on the dose for the 78 weeks duration of double-blinded treatment.
Comparador de Placebo: Placebo
Omalizumab matching placebo was supplied as lyophilized, sterile powder in a single-use, 5 ml vial that was designed to deliver omalizumab matching placebo for subcutaneous (SQ) administration upon reconstitution with 1.4 ml sterile water for injection. The number of injections and injection volume was individualized for each patient based on the patient's body weight and total serum Immunoglobulin E (IgE) level at Visit 1 and was determined using protocol-specified dosing tables. Placebo was administered SQ every 2 or 4 weeks for the 78 weeks duration of double-blinded treatment.

O que o estudo está medindo?

Medidas de resultados primários

Medida de resultado
Descrição da medida
Prazo
Change From Baseline in Total Subepithelial Eosinophils at the End of Week 78 (End of Treatment)
Prazo: Baseline, at end of week 78
The primary variable of change from baseline in total epithelia eosinophils at end of Week 78 was analyzed on sub-population such as responders and non-responders. Responders are defined as all patients having a Global Evaluation of Treatment Effectiveness (GETE) outcome of excellent or good where as non-responders are with GETE outcome of poor, moderate or worsening. GETE categories are excellent, good, moderate, poor, worsening, and missing as determined by the investigator.
Baseline, at end of week 78

Medidas de resultados secundários

Medida de resultado
Descrição da medida
Prazo
Change From Baseline in Sub-epithelial Cell Count of Mast Cells Following 78 Weeks Treatment, as Assessed Biopsy Samples
Prazo: Baseline, at end of week 78
The variable of change from baseline in Sub-epithelial cell count of mast cells at end of Week 78 was analyzed on sub-population such as responders and non-responders. Responders are defined as all patients having a Global Evaluation of Treatment Effectiveness (GETE) outcome of excellent or good where as non-responders are with GETE outcome of poor, moderate or worsening. GETE categories are excellent, good, moderate, poor, worsening, and missing as determined by the investigator.
Baseline, at end of week 78
Change From Baseline in Sub-epithelial CD4+ T-lymphocytes Following 78 Weeks Treatment, as Assessed Biopsy Samples
Prazo: Baseline, at end of week 78
The variable of change from baseline in Sub-epithelial CD4+ T-lymphocytes at end of Week 78 was analyzed on sub-population such as responders and non-responders. Responders are defined as all patients having a Global Evaluation of Treatment Effectiveness (GETE) outcome of excellent or good where as non-responders are with GETE outcome of poor, moderate or worsening. GETE categories are excellent, good, moderate, poor, worsening, and missing as determined by the investigator.
Baseline, at end of week 78
Change From Baseline in Thickness of the Lamina Reticularis Following 78 Weeks Treatment, as Assessed Biopsy Samples
Prazo: Baseline, at end of week 78
The variable of change from baseline in thickness of the lamina reticularis at end of Week 78 was analyzed on sub-population such as responders and non-responders. Responders are defined as all patients having a Global Evaluation of Treatment Effectiveness (GETE) outcome of excellent or good where as non-responders are with GETE outcome of poor, moderate or worsening. GETE categories are excellent, good, moderate, poor, worsening, and missing as determined by the investigator.
Baseline, at end of week 78
Number of Participants With Adverse Events, Serious Adverse Events and Death as an Assessment of Safety and Tolerability of 78 Weeks Therapy
Prazo: 78 weeks
78 weeks

Colaboradores e Investigadores

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Colaboradores

Publicações e links úteis

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Datas de registro do estudo

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Datas Principais do Estudo

Início do estudo

1 de abril de 2008

Conclusão Primária (Real)

1 de novembro de 2011

Conclusão do estudo (Real)

1 de novembro de 2011

Datas de inscrição no estudo

Enviado pela primeira vez

30 de abril de 2008

Enviado pela primeira vez que atendeu aos critérios de CQ

1 de maio de 2008

Primeira postagem (Estimativa)

2 de maio de 2008

Atualizações de registro de estudo

Última Atualização Postada (Estimativa)

18 de janeiro de 2013

Última atualização enviada que atendeu aos critérios de controle de qualidade

12 de dezembro de 2012

Última verificação

1 de novembro de 2012

Mais Informações

Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .

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