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About
The overall purpose of this study was to determine the efficacy of fevipiprant (150 mg and 450 mg once daily), compared with placebo, as add-on to standard-of-care asthma therapy, in terms of avoidance of corticosteroid use over 52 weeks.
Full description
This was a randomized, multicenter, double-blind, double-dummy, placebo-controlled, parallel-group study to determine the ability of fevipiprant (QAW039) plus standard-of-care (SoC) compared with placebo plus SoC to reduce the use of systemic corticosteroids (SCS) in patients with severe asthma. The study included:
a Screening period of up to 2 weeks to assess eligibility; a Run-in period of 4 or 10 weeks to evaluate maintenance of asthma control and to collect baseline safety data. The Run-in period was 4 weeks for patients coming with high-dose ICS/LABA (inhaled corticosteroids/long-acting beta-agonist) and 10 weeks for patients switching from mid-dose to high-dose ICS/LABA as per protocol during the run-in period; a Treatment period of 52 weeks. Upon completion of the Run-in period, all patients who met eligibility criteria were randomized to 1 of 3 treatment groups (fevipiprant 150 mg or 450 mg or placebo once daily) in a ratio 1:1:1. Randomized patients were stratified according to their peripheral blood eosinophil count (< 250 cells/μl or ≥ 250 cells/μl); a Follow-up period of 2 weeks following the last dose of study drug to collect additional data for safety variables.
The main purpose of this study was to determine the efficacy of fevipiprant (150 mg and 450 mg once daily), compared with placebo, as add-on to GINA (Global Initiative for Asthma) treatment step 4 or 5 SoC asthma therapy in terms of avoidance of SCS use over 52 weeks in patients with inadequately controlled severe asthma and high eosinophil counts (eosinophil count at Visit 1 ≥250 cells/ μl) and in the overall patient population regardless of eosinophil counts.
On 16-Dec-2019 the sponsor decided to terminate study CQAW039A2323 earlier than the planned study completion. There were no safety findings with fevipiprant that contributed to this decision. The planned treatment period of 52 weeks was not completed by any patient; patients were treated for a median time of 14 weeks in each group and a maximum of up to 36 weeks.
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604 participants in 3 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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