Abstract
The efficacy and safety of a 3-day regimen of azithromycin prescribed in the new tablet form and of a 10-day regimen of amoxycillin clavulanic acid (co-amoxiclav, Augmentin) were compared in patients with acute lower respiratory tract infections. Of the 144 enrolled patients, 123 had a Type 1 acute exacerbation of chronic bronchitis (AECB), three patients had pneumonia, and 18 had purulent bronchitis. Treatment was successful, defined as cure or major improvement on day 14, in 59/62 (95%) patients in the azithromycin treatment group compared with 54/61 (90%) patients in the co-amoxiclav. At 30 days, the incidence of success was 77% (48/62) in the azithromycin treated group, compared with 66% (40/61) of co-amoxiclav-treated patients. At 60 days, incidences were 66% (41/62) and 59% (36/61), respectively. Several pathogens were isolated: Haemophilus influenzae in 21 patients (minimum inhibitory concentration (MIC) range for azithromycin 0.12-4 mg/l; co-amoxiclav 0.25-4 mg/l); Streptococcus pneumoniae in nine (MIC azithromycin < or = 0.06 > or = 256 mg/l; co-amoxiclav < or = 0.06-1 mg/l); and Moraxella catarrhalis in 11 (MIC azithromycin < or =0.06-2 mg/l; co-amoxiclav < or = 0.06-0.5 mg/l). Microbiological response rates were comp...Continue Reading
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