A Multicentre, Randomised, Open-Label Study To Compare The Efficacy And Safety Of Azithromycin For 5 Days With Those Of Amoxicillin-Clavulanic Acid In Patients With Chronic Bronchitis

This study compared the clinical efficacy and safety of azithromycin with that of amoxicillin-clavulanic acid, in patients between the ages of 35 and 75 years, presenting with an exacerbation of chronic bronchitis...

Date First Received: March 27, 2008

Last Updated: March 27, 2008

Verified by: Pfizer, March 2008

Clinical Trial Phase: Phase 3 | Start Date: October 2002

Overall Status: Completed

Estimated Enrollment: 250

Brief Summary

Official Title: “Azithromycin (Zithromax®) 5 Days Versus Amoxicillin-Clavulanic Acid (Augmentin®): Multicentre, Randomised, Open-Label Study To Compare The Clinical Efficacy And Safety Of Azithromycin With Those Of Amoxicillin-Clavulanic Acid In Patients Presenting With An Exacerbation Of Chronic Bronchitis”

Condition Keyword(s):

This study compared the clinical efficacy and safety of azithromycin with that of amoxicillin-clavulanic acid, in patients between the ages of 35 and 75 years, presenting with an exacerbation of chronic bronchitis.

Study Type: Interventional

Study Design: Treatment, Randomized, Open Label, Parallel Assignment, Safety/Efficacy Study

Intervention(s) in this Clinical Trial

  • Drug: Amoxicillin/clavulinic acid
    • amoxicillin/clavulinic acid 500 mg/62.5 mg tablet; take 2 tablets by mouth twice daily (BID) for 10 days
  • Drug: Azithromycin
    • Azithromycin 250 mg tablet; take 2 tablets by mouth on the first day, then 1 tablet by mouth from Days 2 to 5

Arms, Groups and Cohorts in this Clinical Trial

  • Active Comparator: Group 2
  • Active Comparator: Group 1

Outcome Measures for this Clinical Trial

Primary Measures

  • To assess clinical efficacy (clinical recovery or clinical failure)
    • Time Frame: Day 30
      Safety Issue?: No

Secondary Measures

  • Number of exacerbations
    • Time Frame: Day 30 to Day 90
      Safety Issue?: No
  • Bacteriological monitoring (a descriptive analysis of streptococci in the bacterial flora and their sensitivity to antibiotics at the different collections of sputum)
    • Time Frame: continuous
      Safety Issue?: No

Criteria for Participation in this Clinical Trial

Inclusion Criteria:

Inclusion Criteria:

  • Outpatients presenting with an exacerbation of chronic bronchitis including: chronic bronchitis with obstructive respiratory disorders documented by a forced expiratory volume of below 80% and higher than 35% of the theoretical value, within the previous 12 months; and thought to be of infectious origin

Exclusion Criteria:

Exclusion Criteria:

  • Patient not presenting with the associated signs of an exacerbation
  • Patient presenting with clinical signs suggestive of pneumonopathy at inclusion
  • Patient requiring hospitalisation in intensive care

Gender Eligibility for this Clinical Trial: Both

Minimum Age for this Clinical Trial: 36 Years

Maximum Age for this Clinical Trial: 74 Years

Are Healthy Volunteers Accepted for this Clinical Trial?: No

Clinical Trial Sponsor Information

Lead Sponsor: Pfizer

Overall Clinical Trial Officials and Contacts

Pfizer CT.gov Call Center Study Director Pfizer  

Additional Information

Information obtained from ClinicalTrials.gov on September 05, 2008

Link to the current ClinicalTrials.gov record. http://clinicaltrials.gov/show/NCT00649831

Study ID Number: A0661045

ClinicalTrials.gov Identifier: NCT00649831

Health Authority: Unknown:

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