Effect of low-dose, long-term roxithromycin on airway inflammation and remodeling of stable noncystic fibrosis bronchiectasis.

Abstract:

BACKGROUND:Noncystic fibrosis bronchiectasis (NCFB) is characterized by airway expansion and recurrent acute exacerbations. Macrolide has been shown to exhibit anti-inflammatory effects in some chronic airway diseases. OBJECTIVE:To assess the efficacy of roxithromycin on airway inflammation and remodeling in patients with NCFB under steady state. METHODS:The study involved an open-label design in 52 eligible Chinese patients with NCFB, who were assigned to control (receiving no treatment) and roxithromycin (receiving 150 mg/day for 6 months) groups. At baseline and 6 months, the inflammatory markers such as interleukin- (IL-)8, neutrophil elastase (NE), matrix metalloproteinase- (MMP)9, hyaluronidase (HA), and type IV collagen in sputum were measured, along with the detection of dilated bronchus by throat computed tomography scan, and assessed the exacerbation. RESULTS:Forty-three patients completed the study. The neutrophil in the sputum was decreased in roxithromycin group compared with control (P < 0.05). IL-8, NE, MMP-9, HA, and type IV collagen in sputum were also decreased in roxithromycin group compared with the control group (all P < 0.01). Airway thickness of dilated bronchus and exacerbation were reduced in roxithromycin group compared with the control (all P < 0.05). CONCLUSIONS:Roxithromycin can reduce airway inflammation and airway thickness of dilated bronchus in patients with NCFB.

journal_name

Mediators Inflamm

authors

Liu J,Zhong X,He Z,Wei L,Zheng X,Zhang J,Bai J,Zhong W,Zhong D

doi

10.1155/2014/708608

subject

Has Abstract

pub_date

2014-01-01 00:00:00

pages

708608

eissn

0962-9351

issn

1466-1861

journal_volume

2014

pub_type

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