Overview A Trial To Evaluate Two Antibiotics For The Treatment Of Acute Exacerbation Of Chronic Bronchitis (AECB) Status: Completed Trial end date: 2008-08-01 Target enrollment: Participant gender: Summary This trial is a research drug study to compare the effects of two antibiotics for the treatment of acute exacerbation of chronic bronchitis Phase: Phase 3 Details Lead Sponsor: PfizerTreatments: AzithromycinFluoroquinolonesMoxifloxacinNorgestimate, ethinyl estradiol drug combination