TABLE 2.
Pharmacokinetic parameters of the study antibiotics in mouse plasma and lunga
Compartment and drug | Tmax (h) | Cmax (μg/ml or g) | t1/2 (h) | AUC0–6 (μg · h/ml or g) |
---|---|---|---|---|
Plasma | ||||
R-95867 | 0.63 ± 0.13 | 43.8 ± 5.4 | 0.48 ± 0.06 | 55.8 ± 3.84 |
CPDX | 0.50 ± 0 | 111 ± 6.8 | 1.52 ± 0.16 | 127 ± 6.52 |
CFTM | 0.50 ± 0 | 88.7 ± 9.1 | 1.52 ± 0.16 | 149 ± 5.51 |
CDTR | 0.69 ± 0.19 | 86.2 ± 1.3 | 1.54 ± 0.13 | 209 ± 14.1 |
CFDN | 0.50 ± 0 | 15.2 ± 3.0 | 2.84 ± 0.30 | 37.8 ± 1.77 |
Lung | ||||
R-95867 | 0.63 ± 0.13 | 9.10 ± 0.75 | NC | 9.04 ± 0.67 |
CPDX | 0.44 ± 0.06 | 38.6 ± 4.2 | 2.20 ± 0.63 | 49.2 ± 2.51 |
CFTM | 0.50 ± 0 | 33.0 ± 6.7 | 0.41 ± 0.25 | 40.7 ± 7.61 |
CDTR | 0.50 ± 0 | 29.8 ± 0.81 | 2.85 ± 0.23 | 77.5 ± 3.97 |
CFDN | ND | ND | ND | ND |
Abbreviations: Tmax, time to maximum concentration of drug in serum or lungs; Cmax, maximum concentration of drug in serum or lungs; t1/2, half-life; AUC0–6, area under the concentration-time curve from time zero to 6 h; CPDX, cefpodoxime; CFTM, cefteram; CDTR, cefditoren; CFDN, cefdinir; NC, not calculated (insufficient datum points); ND, not detected.