Table 2

Summary of cumulative recovery and urine ARE half-life of radioactivity in human subjects after oral administration of [14C]linezolid

SubjectsCumulative Percentage of Radioactive Dose RecoveredARE Half-Life2-a (h), Urine
UrineFecesTotalSingle-DoseSteady-State
Single-DoseSteady-StateSingle-DoseSteady-StateSingle-DoseSteady-State
Mean males n = 481.4  ± 3.885.6  ± 2.912.2  ± 3.89.4  ± 3.293.6  ± 0.095.0  ± 0.84.8  ± 0.84.7  ± 1.4
Mean females n = 3/42-b 85.8  ± 2.283.5  ± 2.86.5  ± 1.410.4  ± 3.092.2  ± 0.993.9  ± 0.46.2  ± 1.05.0  ± 0.6
Mean both sexes n = 7/883.3  ± 3.884.1  ± 2.89.8  ± 4.110.5  ± 2.793.0  ± 0.994.5  ± 0.85.3  ± 1.14.8  ± 1.1
Mean all subjects (range)n = 1583.9 ± 3.3 9.9 ± 3.493.8 ± 1.1 5.3 ± 1.3
(76.7–88.4) (5.3–16.9)(91.2–95.8)(3.8–8.3)
  • 2-a  Harmonic means ± S.D.

  • 2-b  Subject 8F vomited 1 to 2 h after the dose and was excluded from all means.