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Clin Ther. 2001 Nov;23(11):1889-900.

Open-Label, parallel-group, multicenter, randomized study of cefprozil versus erythromycin in children with group A streptococcal pharyngitis/tonsillitis.

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  • 1Department of Pediatrics, Georgetown University School of Medicine, Washington, DC 20016, USA.

Abstract

BACKGROUND:

Cefprozil and erythromycin are acceptable alternatives to penicillin in the treatment of pharyngitis/tonsillitis due to group A beta-hemolytic streptococcus (GABHS).

OBJECTIVE:

The purpose of this trial was to determine the relative efficacy and tolerability of cefprozil and erythromycin in the treatment of pediatric pharyngitis/tonsillitis due to GABHS.

METHODS:

This trial compared the bacteriologic and clinical efficacy of erythromycin and cefprozil in children 2 to 12 years of age with culture-documented GABHS pharyngitis/ tonsillitis. Children who were allergic to penicillin, cefprozil, or erythromycin were excluded. Patients were prospectively randomly assigned to receive 10 days of oral therapy with either cefprozil suspension 15 mg/kg per day in 2 divided doses or erythromycin ethylsuccinate suspension 30 mg/kg per day in 3 divided doses. Primary efficacy end points were bacteriologic and clinical response 2 to 8 days after treatment ended. The frequency and severity of adverse events and their relationship to treatment were also assessed.

RESULTS:

A total of 199 patients were enrolled and treated (cefprozil, 99; erythromycin, 100); 12 patients in the cefprozil group and 15 in the erythromycin group were not evaluable. The GABHS eradication rate was significantly higher with cefprozil (95%) than with erythromycin (74%) (P = 0.001). The posttreatment carrier rate was lower in the cefprozil group (5%) than in the erythromycin group (18%) (95% CI, -22.3 to -3.8). Clinical cure rate was 90% (78/87) with cefprozil and 91% (77/85) with erythromycin (P = 0.95) (treatment group difference, -0.93; 95% CI, -9.9% to 8.0%). The overall incidence of drug-related adverse events was not significantly different in the 2 groups (11% with cef- prozil, 18% with erythromycin). The most common adverse events were diarrhea and vomiting. Two patients in the erythromycin group discontinued therapy because of adverse events.

CONCLUSIONS:

The bacteriologic eradication rate was significantly greater with cefprozil compared with erythromycin in children with pharyngitis/tonsillitis. Both cefprozil and erythromycin produced a clinical cure in >90% of patients.

PMID:
11768840
[PubMed - indexed for MEDLINE]
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