Article ; Online: NAVIGATOR: a phase 3 multicentre, randomized, double-blind, placebo-controlled, parallel-group trial to evaluate the efficacy and safety of tezepelumab in adults and adolescents with severe, uncontrolled asthma.
2020 Volume 21, Issue 1, Page(s) 266
Abstract: ... an ongoing randomized, double-blind, placebo-controlled trial in adults (18-80 years old) and adolescents (12 ... in lung function, asthma control and health-related quality of life.: Trial registration: NCT03347279 ... in severe, uncontrolled asthma to date. NAVIGATOR aims to further investigate the effect of tezepelumab ...
| Abstract | Background: Patients with severe, uncontrolled asthma have a significant unmet need for new treatments that have broader effects on airway inflammation, and that provide greater improvements in asthma outcomes than currently approved biologics and standard-of-care therapies. Tezepelumab is a human monoclonal antibody that blocks the activity of the epithelial cytokine thymic stromal lymphopoietin. In the PATHWAY phase 2b study (NCT02054130), tezepelumab significantly reduced exacerbations by up to 71% in adults with severe, uncontrolled asthma, irrespective of baseline disease phenotype. This article reports the design and objectives of the pivotal phase 3 NAVIGATOR study. Methods: NAVIGATOR (NCT03347279) is an ongoing randomized, double-blind, placebo-controlled trial in adults (18-80 years old) and adolescents (12-17 years old) with severe, uncontrolled asthma, who are receiving treatment with medium- or high-dose inhaled corticosteroids plus at least one additional controller medication with or without oral corticosteroids (N = 1061). The study population includes approximately equal proportions of patients with high (≥ 300 cells/μL) and low (< 300 cells/μL) blood eosinophil counts. The study comprises a 5-6-week screening period, a 52-week treatment period and a 12-week post-treatment follow-up period. All patients will receive their prescribed controller medications without change throughout the study. The primary efficacy endpoint is the annualized asthma exacerbation rate during the 52-week treatment period. Key secondary endpoints include the effect of tezepelumab on lung function, asthma control and health-related quality of life. Discussion: NAVIGATOR is evaluating the effect of tezepelumab in patients with a broad range of severe asthma phenotypes at baseline, including those with low blood eosinophil counts. The target sample size for NAVIGATOR (N = 1060) was achieved, and it is the largest clinical study of tezepelumab in severe, uncontrolled asthma to date. NAVIGATOR aims to further investigate the effect of tezepelumab on exacerbations and build on observations from the phase 2b PATHWAY study, and to demonstrate further the potential of tezepelumab to provide patients with severe, uncontrolled asthma with improvements in lung function, asthma control and health-related quality of life. Trial registration: NCT03347279 (ClinicalTrials.gov). Registered 20 November 2017. |
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| MeSH term(s) | Adolescent ; Adult ; Aged ; Aged, 80 and over ; Antibodies, Monoclonal, Humanized/administration & dosage ; Antibodies, Monoclonal, Humanized/adverse effects ; Antibodies, Monoclonal, Humanized/blood ; Asthma/blood ; Asthma/diagnosis ; Asthma/drug therapy ; Double-Blind Method ; Female ; Humans ; Male ; Middle Aged ; Severity of Illness Index ; Treatment Outcome ; Young Adult |
| Chemical Substances | Antibodies, Monoclonal, Humanized ; tezepelumab (RJ1IW3B4QX) |
| Keywords | covid19 |
| Language | English |
| Publishing date | 2020-10-13 |
| Publishing country | England |
| Document type | Clinical Trial, Phase III ; Journal Article ; Multicenter Study ; Randomized Controlled Trial |
| ZDB-ID | 2041675-1 |
| ISSN | 1465-993X ; 1465-993X |
| ISSN (online) | 1465-993X |
| ISSN | 1465-993X |
| DOI | 10.1186/s12931-020-01526-6 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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