Cefdinir: an expanded-spectrum oral cephalosporin.
OBJECTIVE: To review the antimicrobial activity, pharmacokinetics, clinical efficacy, and tolerability of cefdinir, an expanded-spectrum oral cephalosporin. DATA SOURCES: Literature was identified by a MEDLINE search (January 1983-November 1999) of the medical literature, review of English-language literature and bibliographies of these articles, and product information. STUDY SELECTION: Clinical efficacy data were selected from all published trials mentioning cefdinir. Additional information concerning in vitro susceptibility, safety, chemistry, and pharmacokinetic profile of cefdinir was also reviewed. DATA SYNTHESIS: Cefdinir, an oral expanded-spectrum cephalosporin, has a broad spectrum of activity against many gram-negative and -positive aerobic organisms, including Streptococcus pneumoniae, Staphylococcus aureus, Streptococcus pyogenes, Haemophilus influenzae, and Moraxella catarrhalis. Cefdinir is stable to hydrolysis by many common beta-lactamases. Cefdinir is rapidly absorbed from the gastrointestinal tract and is primarily eliminated via renal clearance of unchanged drug. The terminal disposition half-life of cefdinir is approximately 1.5 hours. Efficacy has been demonstrated in a number of clinical trials in adults and children with upper and lower respiratory tract infections (e.g., pharyngitis, sinusitis, acute otitis media, acute bronchitis, acute exacerbation of chronic bronchitis, community-acquired pneumonia) and skin and skin-structure infections. The adverse event profile is similar to that of comparator agents. CONCLUSIONS: Cefdinir is a second-line alternative to first-line antimicrobial agents, with convenient once- or twice-daily dosing in the treatment of upper and lower respiratory tract infections and skin and skin-structure infections. Similar to other oral expanded-spectrum cephalosporins, cefdinir has activity against common pathogens of the respiratory tract and skin and is stable in the presence of many beta-lactamases. The clinical choice of an oral expanded-spectrum cephalosporin will be based on patient acceptance, frequency of administration, and cost.[1]References
- Cefdinir: an expanded-spectrum oral cephalosporin. Guay, D.R. The Annals of pharmacotherapy. (2000) [Pubmed]
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