TABLE 1

Proportions of Unchanged 18F-FPyKYNE-Losartan and Its Labeled Metabolites in Rat Kidney Homogenate at Respective Time Points

10 min*
PeakIdentity0 min5 min0 mg/kg5 mg/kg10 mg/kg20 min30 min
1Hydrophilic metabolite0 ± 05 ± 412 ± 176 ± 2088 ± 1517 ± 839 ± 20
2Hydrophobic metabolite0 ± 02 ± 14 ± 22 ± 22 ± 05 ± 23 ± 2
3Unchanged tracer100 ± 093 ± 484 ± 222 ± 2010 ± 1478 ± 1058 ± 19
  • * Data are given for 3 different candesartan blocking doses.

  • P < 0.05, compared with baseline.

  • Compared with previous dose.