TABLE 1

Average receptor occupancies in the brain and liver after intratracheal instillation of triamcinolone acetonide phosphate (2.5, 25, and 50 μg/kg) in neonatal rats and TA (100 μg/kg) in adult rats



Dose

Number of Independent Experiments

Average Receptor Occupancy

Ratio

Liver
Brain
Brain vs. Liver
μg/kg %
Neonatal rats 2.5 4 17.4 ± 13.5 –14.7 ± 11.9 N.D.
25 3 45.3 ± 7.8 45.7 ± 9.7 1.10 ± 0.14
50 4 50.8 ± 13 47.0 ± 9.6 0.87 ± 0.13
Adult rats
100
3
55.3 ± 8
11.4 ± 6.7
0.21 ± 0.14
  • N.D., not determined