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Open Access Highly Accessed Research article

Efficacy and safety of moxifloxacin in acute exacerbations of chronic bronchitis: a prospective, multicenter, observational study (AVANTI)

Alexander Chuchalin1, Maryna Zakharova2, Dejan Dokic3, Mahir Tokić4, Hans-Peter Marschall5 and Thomas Petri6*

Author Affiliations

1 Pulmonology Department, Federal State Institution “Research Institute of Pulmonology of Roszdrav”, Moscow, 105077, Russian Federation

2 Pulmonology Department, Hospital #7, Simferopol, 95044, Ukraine

3 Klinika za Pulmologija i Alergologija, Skopje, 1000, Macedonia

4 Privatna Pulmološka Ordinacija “Dr. Tokić”, 71 000, Sarajevo, Bosnia and Herzegovina

5 Bayer Vital GmbH, Leverkusen, 51368, Germany

6 Bayer Pharma AG, Berlin, 13353, Germany

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BMC Pulmonary Medicine 2013, 13:5  doi:10.1186/1471-2466-13-5

Published: 23 January 2013

Abstract

Background

Acute exacerbations of chronic bronchitis (AECB), including chronic obstructive pulmonary disease (AECOPD), represent a substantial patient burden. Few data exist on outpatient antibiotic management for AECB/AECOPD in Eastern/South Eastern Europe, in particular on the use of moxifloxacin (Avelox®), although moxifloxacin is widely approved in this region based on evidence from international clinical studies.

Methods

AVANTI (AVelox® in Acute Exacerbations of chroNic bronchiTIs) was a prospective, observational study conducted in eight Eastern European countries in patients > 35 years with AECB/AECOPD to whom moxifloxacin was prescribed. In addition to safety and efficacy outcomes, data on risk factors and the impact of exacerbation on daily life were collected.

Results

In the efficacy population (N = 2536), chronic bronchitis had been prevalent for > 10 years in 31.4% of patients and 66.0% of patients had concomitant COPD. Almost half the patients had never smoked, in contrast to data from Western Europe and the USA, where only one-quarter of COPD patients are non-smokers. The mean number of exacerbations in the last 12 months was 2.7 and 26.3% of patients had been hospitalized at least once for exacerbation. Physician compliance with the recommended moxifloxacin dose (400 mg once daily) was 99.6%. The mean duration of moxifloxacin therapy for the current exacerbation (Anthonisen type I or II in 83.1%; predominantly type I) was 6.4 ± 1.9 days. Symptom improvement was reported after a mean of 3.4 ± 1.4 days. After 5 days, 93.2% of patients reported improvement and, in total, 93.5% of patients were symptom-free after 10 days. In the safety population (N = 2672), 57 (2.3%) patients had treatment-emergent adverse events (TEAEs) and 4 (0.15%) had serious TEAEs; no deaths occurred. These results are in line with the known safety profile of moxifloxacin.

Conclusions

A significant number of patients in this observational study had risk factors for poor outcome, justifying use of moxifloxacin. The safety profile of moxifloxacin and its value as an antibiotic treatment were confirmed. Physicians complied with the recommended 400 mg once-daily dose in a large proportion of patients, confirming the advantages of this simple dosing regimen.

Trial registration

ClinicalTrials.gov identifier: NCT00846911

Keywords:
Antibiotics; Chronic bronchitis; COPD; Exacerbations; Moxifloxacin