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Early intervention with tiotropium in Chinese patients with GOLD stages I-II chronic obstructive pulmonary disease (Tie-COPD): study protocol for a multicentre, double-blinded, randomised, controlled trial.

Abstract：

INTRODUCTION:Owing to the high and increasing morbidity and mortality, chronic obstructive pulmonary disease (COPD) has become a major public health problem worldwide. Although the majority of patients with COPD are in the early stages, little attention has been paid to them, in particular regarding to early intervention. Tiotropium bromide can significantly relieve symptoms and reduce the incidence of acute exacerbations of COPD. Therefore, we hypothesise that therapy with tiotropium bromide will benefit patients with COPD with early-stage disease. METHOD/ANALYSIS:A randomised, double-blinded, placebo-controlled, parallel-group, multicentre clinical trial (Tiotropium In Early COPD study, Tie-COPD study) is being conducted to evaluate the efficacy and safety of long-term intervention with tiotropium in patients with COPD with early-stage disease. A total of 839 patients with COPD who satisfied the eligibility criteria were randomly assigned (1:1) to receive a once daily inhaled capsule of either tiotropium bromide (18 μg) or matching placebo for 2 years. Measurements will include forced expiratory volume in 1 s, health-related quality of life, grade degree of breathlessness related to activities, COPD exacerbations and pharmacoeconomic analysis. ETHICS/DISSEMINATION:This study was approved by the Ethics Committee of the First Affiliated Hospital of Guangzhou Medical University. Recruitment started in November 2011 and ended in October 2013, with 839 patients randomised. The treatment follow-up of participants with Tie-COPD is currently ongoing and is due to finish in November 2015. The authors will disseminate the findings in peer-reviewed publications, conferences and seminar presentations. TRIAL REGISTRATION:ClinicalTrials.gov (NCT01455129).

journal_name

BMJ Open

journal_title

BMJ open

authors

Li X,Zhou Y,Chen S,Zheng J,Zhong N,Ran P

doi

10.1136/bmjopen-2013-003991

subject

Has Abstract

pub_date

2014-02-18 00:00:00

pages

e003991

issue

2

issn

2044-6055

pii

bmjopen-2013-003991

journal_volume

4

pub_type

杂志文章,多中心研究,随机对照试验

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