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Clinical Trial Summary

It is acknowledged that IL-18, as a product of the inflammasome, is involved in host defence against viral and bacterial stimuli by modulating the immune response. The aim of this study was to determine IL-18 levels in serum of patients with Bronchiectasis and to investigate whether macrolide attenuate its levels.


Clinical Trial Description

Non-cystic fibrosis bronchiectasis is a respiratory disease characterized by persistent airway inflammation and dilation of bronchial wall driven by various causes. Patients with bronchiectasis suffer from excessive sputum production, recurrent exacerbations, and progressive airway destruction. It was reported that 30%-40% patients were infected with Pseudomonas aeruginosa. Major therapy for bronchiectasis is focused on breaking the "vicious cycle" of mucus stasis, infection, inflammation, and airway destruction. Currently a number of clinical trials have showed that macrolide effectively used in the treatment of non-CF bronchiectasis. Evidence has indicated that 14- and 15-membered ring macrolides possess immunomodulation and anti-inflammatory functions beyond their antimicrobial properties. However, the underlying mechanisms that account for the anti-inflammatory actions of macrolides have not yet to be elucidated, and the activities do not appear to be controlled by a single mechanism.Interleukin-18 (IL-18), along with interleukin-1b (IL-1b), is produced by inflammasomes when activated by a number of pathogen, environmental or host-derived danger signals. Inflammasomes are innate immune regulatory protein complexes which seem to play a key role in the host immune response of patients with Bronchiectasis. The aim of this study was to determine IL-18 levels in serum of patients with Bronchiectasis and to investigate whether macrolide could attenuate its levels. ;


Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT02491723
Study type Interventional
Source Shanghai Pulmonary Hospital, Shanghai, China
Contact
Status Completed
Phase N/A
Start date January 2014
Completion date January 2016

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