Table 1: Dose-dependence of tissue and body fluid concentrations of K 117 injected intramuscularly to rats.

Sample (tissue or body fluid) Concentration (µg/ml± SD) Determined by HPLC-UV Tissue Concentration (ng/ml) Tissue concentration related to the serum concentration (%) Concentration. related to the dose of 1 µmol
Dose: 0.1 µmol
Serum 0.011±0.005 110 100.0 0.567
Brain 0.011±0.005 55 50.00 3.235
CSF 0.010±0.000 50 45.45 5.880
Eyes 0.010±0.002 50 45.45 0.990
Lung 0.055±0.004 275 250.0 2.350
Testis 0.006±0.004 30 27.27 5.450
Liver 0.043±0.005 215 195.5 39.09
Kidney 0.340±0.012 1700 1545 42.50
Inner ear 0.079±0.005 395 359.0 3.361
Dose: 0.3 µmol
Serum 0.022±0.008 220 100.0 0.378
Brain 0.015±0.004 75 34.09 1.470
CSF 0.012±0.003 60 27.27 2.352
Eyes 0.014±0.005 70 31.82 0.460
Lung 0.051±0.002 255 115.9 0.720
Testis 0.009±0.004 45 20.45 2.727
Liver 0.077±0.027 385 175.0 3.208
Kidney, 0.768±0.009 3840 1745 0.920
Inner ear 0.088±0.010 440 200.0 0.838
Dose: 1.0 µmol
Serum 0.194±0.003 1940 100.0 1.00
Brain 0.034±0.003 170 8.762 1.00
CSF 0.017±0.011 85 4.381 1.00
Eyes 0.101±0.013 505 26.03 1.00
Lung 0.234±0.006 1170 60.30 1.00
Testis 0.011±0.004 55 2.835 1.00
Liver 0.080±0.010 400 20.61 1.00
Kidney, 2.781±0.026 13905 716.7 1.00
Inner ear 0.235±0.006 1175 60.56 1.00
Dose: 3.0 µmol
Serum 0.576±0.013 5760 100.0 0.989
Brain 0.083±0.006 415 7.204 0.813
CSF 0.023±0.016 115 1.996 0.451
Eyes 0.222±0.005 1111 19.28 0.733
Lung 0.601±0.013 3005 52.17 0.856
Testis 0.093±0.009 465 8.072 2.818
Liver 0.194±0.020 970 16.84 0.808
Kidney 4.698±0.159 23490 407.8 0.563
Inner ear 0.442±0.064 2210 38.36 0.626
Dose: 10.0 µmol
Serum 2.289±0.121 22890 100.0 1.179
Brain 0.360±0.004 1800 7.863 1.058
CSF 0.075±0.004 375 1.638 0.441
Eyes 0.763±0.035 3815 16.66 0.755
Lung 1.788±0.033 8940 39.05 1.770
Testis 0.484±0.003 2420 10.57 4.400
Liver 0.153±0.002 765 3.342 0.190
Kidney 11.219±0.099 56095 245.06 0.403
Inner ear 1.246±0.047 6230 27.21 0.530