Review Article

Duration of Antimicrobial Therapy in Community Acquired Pneumonia: Less Is More

Table 3

Studies comparing the efficacy of short-course versus long-course antibiotic regimens for the treatment of CAP, using different antimicrobial agents.

Study PopulationShort-course regimen*Long-course regimen*

Schonwald et al.
1990 [31]
101Adult inpatients and outpatientsAzithromycin PO 500 mg on day 1, 250 mg on days 2 to 5Erythromycin 500 mg PO once daily for 10 d
Bohte et al. 1995
[25]
40Adult inpatientsAzithromycin PO 500 mg twice daily on day 1, once daily on days 2 to 5Erythromycin 500 mg PO once daily for 10 d
Schonwald et al. 1994
[30]
150Adult inpatientsAzithromycin 500 mg PO once daily for 3 dRoxithromycin 150 mg PO twice daily for 10 d
Rizzato et al. 1995
[29]
40Adult inpatientsAzithromycin 500 mg PO once daily for 3 dClarithromycin 250 mg PO twice daily for at least 8 d
O’Doherty and Muller 1998[28]203Adult outpatientsAzithromycin 500 mg PO once daily for 3 dClarithromycin 250 mg PO twice daily for 10 d
D’Ignazio et al. 2005
[32]
427Adult outpatientsAzithromycin microspheres, a single 2 g dose POLevofloxacin 500 mg PO once daily for 7 d
Drehobl et al. 2005
[33]
501Adult outpatientsAzithromycin microspheres, a single 2 g dose POClarithromycin (extended-release formulation) 1 g PO once daily for 7 d
Léophonte et al. 2004
[36]
324Adult inpatients and outpatientsGemifloxacin 320 mg PO once daily for 7 d Amoxicillin/clavulanate 1 g/125 mg PO three times daily for 10 d
Tellier et al. 2004
[20]
575Adult inpatients and outpatientsTelithromycin 800 mg PO once daily for 5 d or 7 dClarithromycin 500 mg PO twice daily for 10 d

No statistically significant differences in cure rates.