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Expert opinion on pharmacotherapy

Clarithromycin extended-release in community-acquired respiratory tract infections.


PMID 16318437

Abstract

Clarithromycin extended-release (ER) is a second-generation macrolide with bactericidal activity against a broad group of pathogens. It allows for convenient once-daily dosing (2 x 500 mg/day), and has less severe adverse effects than the immediate-release (IR) formulation of the drug, which may result in improved patient compliance. Clarithromycin ER has been approved for the treatment of community-acquired pneumonia, acute maxillary sinusitis and acute bacterial exacerbation of chronic bronchitis. In comparison to the IR formulation, clarithromycin ER demonstrates prolonged absorption from the gastrointestinal tract, allowing for once-daily dosing with improved gastrointestinal tolerability. Various double-blind, randomised clinical trials and group studies have found clarithromycin ER to be an efficacious treatment option, comparable with clarithromycin IR, or its other competitors.