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Effect of Tiotropium on Inflammation and Exacerbations in COPD

Chronic Obstructive Pulmonary Disease Clinical Trial

Official title:
A Randomised, Double-Blind, Parallel-Group, Placebo-Controlled Study to Evaluate the Changes in Inflammatory Markers in Induced Sputum Following Treatment With Tiotropium Inhalation Capsules 18mcg Once Daily in Patients With Chronic Obstructive Pulmonary Disease

Clinical Trial Summary

Patients with COPD experience exacerbations that are a major cause of morbidity. Exacerbations are associated with increased airway and systemic inflammation and those experiencing frequent exacerbations demonstrate increased inflammation in the stable state. Tiotropium has been shown to reduce exacerbation frequency and it might be postulated that this is due to a reduction in inflammation. The study will compare airway inflammation and exacerbation frequency in patients with COPD on tiotropium or placebo.

Clinical Trial Description

Patients with COPD will be randomised to tiotropium or placebo in addition to their usual medication. They will be followed prospectively over 1 year and provide sputum for quantification of IL-6 and IL-8 at baseline and at 3 monthly intervals.Serum IL-6 will also be quantified at baseline and over the year. Changes in inflammatory markers will be assessed by analysis of area under the curve of log transformed data. Exacerbation frequency will be calculated from patient diary cards using a previously validated symptom-based exacerbation definition. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00405236
Study type Interventional
Source Royal Free and University College Medical School
Contact
Status Completed
Phase Phase 4
Start date October 2002
Completion date January 2005
View Details
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