The Effect of Azithromycin in Patients With Chronic Obstructive Pulmonary Disease (COPD) and Chronic Productive Cough

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE3

Total Enrollment

84 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-09-30

Study Completion Date

2012-02-29

Brief Summary

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The purpose of this study is to demonstrate the efficacy of azithromycin to produce a significant change in the cough-related health status, measured with the Dutch version of the Leicester Cough Questionnaire in patiënts with COPD gold classification 2-4 and chronic productive coughing.

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Detailed Description

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This study is a prospective double-centre, double blind randomised trial. Patients \> 40 years of age, referred to our outpatient clinic with chronic cough and sputum production due to COPD will be recruited after informed consent is obtained.

Consenting patients will be randomises to a 12-week treatment with 250 mg azithromycin three times a week or placebo.

Before randomisation all patients have to fill in the SF 36 , SGRQ and the Dutch version of the Leicester Cough Questionnaire (LCQ) for assessment of the baseline quality of life and the disease specific quality of life.

The LCQ questionnaires will be performed at the beginning and every 3 weeks afterwards until 18 weeks, except the second LCQ which will be filled in after 2 weeks. Scores from this questionnaire will be used to calculate the 2-week repeatability. The SF 36 and SGRQ will be performed at the start of the study and after 12 weeks. Adverse events will be recorded during the whole treatment period. After 2 and 12 weeks a Global Rating of Change will be performed. This questionnaire will be used to validate the LCQ in COPD patients.

Randomisation will take place using a computer allocation program (BAMI-computer)

Azithromycin and placebo will be provided by Teva Pharmaceuticals. Placebo and azithromycin will be identical in appearance and packaging.

Conditions

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Cough Chronic Obstructive Pulmonary Disease Chronic Bronchitis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Azithromycin

Group Type EXPERIMENTAL

azithromycin

Intervention Type DRUG

azithromycin, tablets, during 12 weeks, three times a week, 250mg

Placebo

Group Type PLACEBO_COMPARATOR

placebo

Intervention Type DRUG

placebo

Interventions

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azithromycin

azithromycin, tablets, during 12 weeks, three times a week, 250mg

Intervention Type DRUG

placebo

Intervention Type DRUG

Other Intervention Names

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Zithromax

Eligibility Criteria

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Inclusion Criteria

* Patients \> 40 years of age, in our outpatient clinic with chronic cough and COPD (gold2-4)
* Chronic cough is defined as a cough \> 12 weeks duration, at least 12 weeks a year in 2 subsequent years.
* Analysed for bronchiectasis prior to participation by CT-thorax.

Exclusion Criteria

* Prior history of asthma
* Use of i.v. or oral corticosteroids and or antibiotics for an exacerbation 3 weeks before inclusion
* Patients suffering from other relevant lung diseases.
* Clinically relevant abnormal laboratory values suggesting an unknown disease requiring further clinical evaluation.
* Liver disease, (ALAT and/or ASAT levels two or more times the upper limit of normal).
* Pregnancy or lactation.
* Use of macrolides the last 6 weeks prior to inclusion.
* Allergy or intolerance to macrolides.
* Other research medication started 2 months prior to inclusion.
* Prior randomisation in this study.

Minimum Eligible Age

40 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No