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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Therapy for pharyngitis and tonsillitis caused by group A beta-hemolytic streptococci: a meta-analysis comparing the efficacy and safety of cefadroxil monohydrate versus oral penicillin V.

A meta-analysis was conducted to compare the efficacy and safety of oral cefadroxil monohydrate (30 mg/kg QD or 15 mg/kg BID) with that of oral penicillin V (8, 10, or 15 mg/kg BID, TID, or QID) in the treatment of group A beta-hemolytic streptococcal (GABHS) pharyngitis and tonsillitis treated for 10 days. A simple random effects model was used for combining the efficacy and safety results of nine comparative trials performed in the United States. A total of 1646 patients aged < or = 19 years were considered evaluable; 1406 patients were evaluable using revised bacteriologic criteria, and 1499 patients were considered fully evaluable for safety. The results demonstrate significantly better response rates (P < 0.05) with cefadroxil monohydrate than with penicillin V for overall cure (91.8% versus 81.3%), bacteriologic cure (92.6% versus 81.4%), and bacteriologic recurrence (4.2% versus 10.5%); clinical cure rates were statistically similar (90.5% versus 90.2%). Revised bacteriologic criteria analysis revealed bacteriologic cure rates of 95.8% versus 88.7% (P < 0.05) and bacteriologic recurrence rates of 4.9% versus 7.1% (P = NS) for cefadroxil monohydrate and penicillin V, respectively. Adverse events related to drug administration occurred infrequently and did not differ significantly between treatment groups (P > 0.05). Compliance with cefadroxil monohydrate was at least as good as with penicillin V. Penicillin is currently the drug of choice in the treatment of GABHS pharyngitis and tonsillitis. Based on the information described in this large meta-analysis, cefadroxil monohydrate is an excellent alternative to oral penicillin V in the treatment of GABHS pharyngitis and tonsillitis.[1]


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