Table 4

Mean concentrations of radioactivity in blood, plasma, and tissues from male rats given [14C]tirofiban hydrochloride (1 mg/kg i.v.)

Matrixμg Equivalents [14C]Tirofiban/g
5 min30 min2 h24 h
Adrenals0.184  ± 0.073-4-a -4-a -4-a
Blood0.641  ± 0.1100.059  ± 0.0020.005  ± 0.000-4-a
Bone marrow4-b 0.264  ± 0.0490.012  ± 0.011-4-a -4-a
Brain0.034  ± 0.0070.006  ± 0.001-4-a -4-a
Eyes0.140  ± 0.0390.018  ± 0.0040.003  ± 0.006-4-a
Fat (reproductive)0.090  ± 0.0180.013  ± 0.0040.008  ± 0.007-4-a
Heart0.250  ± 0.0430.022  ± 0.0010.003  ± 0.000-4-a
Kidneys5.31  ± 1.370.382  ± 0.0640.020  ± 0.000-4-a
Large intestine0.249  ± 0.0900.033  ± 0.0040.349  ± 0.4170.044  ± 0.017
Liver9.78  ± 0.7051.36  ± 0.1640.070  ± 0.0030.006  ± 0.000
Lungs0.364  ± 0.0870.025  ± 0.0000.005  ± 0.001-4-a
Lymph nodes (cervical)0.346  ± 0.1200.023  ± 0.002-4-a -4-a
Lymph nodes (mesenteric)0.239  ± 0.1000.024  ± 0.0050.023  ± 0.009-4-a
Muscle (thigh)0.122  ± 0.0170.011  ± 0.0010.003  ± 0.002-4-a
Pancreas0.620  ± 0.3850.031  ± 0.0010.005  ± 0.004-4-a
Pituitary0.475  ± 0.155-4-a -4-a -4-a
Plasma1.25  ± 0.2300.098  ± 0.0030.005  ± 0.001-4-a
Prostate0.266  ± 0.0320.135  ± 0.1070.131  ± 0.077-4-a
Skin (dorsal, shaven)0.433  ± 0.0360.036  ± 0.0050.007  ± 0.012-4-a
Small Intestine1.000  ± 0.1622.03  ± 0.3062.00  ± 0.3740.031 ± 0.009
Spleen0.145  ± 0.0350.011  ± 0.0010.003  ± 0.002-4-a
Stomach0.684  ± 0.2410.019  ± 0.0040.008  ± 0.0060.017 ± 0.015
Testes0.079  ± 0.0110.031  ± 0.0040.004  ± 0.001-4-a
Thymus0.133  ± 0.0540.012  ± 0.0010.003  ± 0.002-4-a
Thyroid0.273  ± 0.0770.012  ± 0.020-4-a -4-a
Urinary bladder0.422  ± 0.0660.705  ± 0.3030.195  ± 0.163-4-a
  • Values are mean and S.D. (N = 3).

  • 4-a Not detectable.

  • 4-b From both femurs.