TABLE 3.
Therapeutic efficacy of L-084 and reference drugs against murine respiratory tract infection caused by penicillin-resistant S. pneumoniae TUM741
Drug | MIC (μg/ml) | Dosed (mg/kg) | Log CFU/lung (mean ± SD) |
---|---|---|---|
Control | 7.36 ± 1.19 | ||
L-084 | 0.032 | 50 | BDa |
10 | 2.53 ± 0.48b | ||
Faropenem | 0.25 | 50 | 6.72 ± 1.21 |
10 | 7.90 ± 2.11 | ||
Cefditoren-pivoxil | 0.25 | 50 | 6.93 ± 0.75 |
10 | 8.42 ± 0.56 | ||
Cefdinir | 2.0 | 50 | 6.74 ± 0.69 |
10 | 7.45 ± 1.03 | ||
Amoxicillin | 1.0 | 50 | 4.26 ± 0.70c |
10 | 7.21 ± 0.72 |
BD, below the lower limit of detection.
P < 0.01 versus control and faropenem-, cefditoren-pivoxil-, cefdinir-, and amoxicillin-treated groups at the corresponding dose.
P < 0.05 versus control and faropenem-, cefditoren-pivoxil-, and cefdinir-treated groups at the corresponding dose.
Drugs were administered orally three times a day for 3 days.