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Short-term late-generation antibiotics versus longer term penicillin for acute streptococcal pharyngitis in children
Saleh Altamimi1, Adli Khalil, Khalid A Khalaiwi
1Department of Emergency Medicine and Pediatrics, King Fahad Medical City, Riyadh, Saudi Arabia. saltamimi@kfmc.med.sa
Insights
Shorter antibiotic courses (3-6 days) are as effective as 10-day penicillin for acute group A beta hemolytic streptococcus (GABHS) pharyngitis in children. This approach offers comparable efficacy with potential benefits in symptom duration and early treatment failure.
Area of Science:
- Pediatric Infectious Diseases
- Antimicrobial Stewardship
- Clinical Efficacy Trials
Background:
- Standard treatment for acute group A beta hemolytic streptococcus (GABHS) pharyngitis in children involves a 10-day course of oral penicillin.
- Emerging evidence suggests that shorter antibiotic durations may achieve comparable efficacy to standard regimens.
Purpose of the Study:
- To evaluate the efficacy of short-duration oral antibiotics (2-6 days) versus standard 10-day oral penicillin for treating acute GABHS pharyngitis in children.
- To compare clinical and bacteriological treatment outcomes between short-duration and standard-duration antibiotic regimens.
Main Methods:
- Systematic review and meta-analysis of randomized controlled trials (RCTs).
- Searched Cochrane CENTRAL, MEDLINE, and EMBASE databases for relevant studies.
- Included RCTs comparing short-duration oral antibiotics to standard-duration oral penicillin in children aged 1-18 years with acute GABHS pharyngitis.
Main Results:
- Twenty studies involving 13,102 children were included; most studies had a high risk of bias.
- Short-duration treatment was associated with shorter fever duration and throat soreness, and a lower risk of early clinical treatment failure.
- No significant difference in early bacteriological failure or late clinical recurrence was observed, but late bacteriological recurrence was higher overall (though not significant when low-dose azithromycin was excluded). Long-term complications showed no statistically significant difference between groups.
Conclusions:
- Short-duration oral antibiotic courses (3-6 days) demonstrate comparable efficacy to the standard 10-day penicillin regimen for acute GABHS pharyngitis in children.
- These findings support the use of shorter antibiotic durations, potentially improving adherence and reducing side effects.
- Caution is advised when interpreting results in regions with a high prevalence of rheumatic heart disease.
Background:
The standard duration of treatment for children with acute group A beta hemolytic streptococcus (GABHS) pharyngitis with oral penicillin is 10 days. Shorter duration antibiotics may have comparable efficacy.
Objectives:
To summarize the evidence regarding the efficacy of two to six days of newer oral antibiotics (short duration) compared to 10 days of oral penicillin (standard duration) in treating children with acute GABHS pharyngitis.
Search Methods:
We searched the Cochrane Central Register of Controlled Trials (CENTRAL 2012, Issue 3) which contains the Cochrane Acute Respiratory Infections Group's Specialized Register, MEDLINE (January 1966 to March week 3, 2012) and EMBASE (January 1990 to April 2012).
Selection Criteria:
Randomized controlled trials (RCTs) comparing short duration oral antibiotics to standard duration oral penicillin in children aged 1 to 18 years with acute GABHS pharyngitis.
Data Collection And Analysis:
Two review authors scanned the titles and abstracts of retrieved citations and applied the inclusion criteria. We retrieved included studies in full, and extracted data. Two review authors independently assessed trial quality.
Main Results:
We included 20 studies with 13,102 cases of acute GABHS pharyngitis. The updated search did not identify any new eligible studies; the majority of studies were at high risk of bias. However, the majority of the results were consistent. Compared to standard duration treatment, the short duration treatment studies had shorter periods of fever (mean difference (MD) -0.30 days, 95% confidence interval (CI) -0.45 to -0.14) and throat soreness (MD -0.50 days, 95% CI -0.78 to -0.22); lower risk of early clinical treatment failure (odds ratio (OR) 0.80, 95% CI 0.67 to 0.94); no significant difference in early bacteriological treatment failure (OR 1.08, 95% CI 0.97 to 1.20) or late clinical recurrence (OR 0.95, 95% CI 0.83 to 1.08). However, the overall risk of late bacteriological recurrence was worse in the short duration treatment studies (OR 1.31, 95% CI 1.16 to 1.48), although no significant differences were found when studies of low dose azithromycin (10 mg/kg) were eliminated (OR 1.06, 95% CI 0.92 to 1.22). Three studies reported long duration complications. Out of 8135 cases of acute GABHS pharyngitis, only six cases in the short duration treatment versus eight in the standard duration treatment developed long-term complications in the form of glomerulonephritis and acute rheumatic fever, with no statistically significant difference (OR 0.53, 95% CI 0.17 to 1.64).
Authors' Conclusions:
Three to six days of oral antibiotics had comparable efficacy compared to the standard duration 10-day course of oral penicillin in treating children with acute GABHS pharyngitis. . In areas where the prevalence of rheumatic heart disease is still high, our results must be interpreted with caution.
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