TABLE 2

Relative metabolite amounts of the fraction metabolized of sila-haloperidol

Liver microsomes incubated for 60 min and hepatocytes incubated for 120 min. Data estimated from integration of extracted ion chromatograms.

Sila-haloperidol
Metabolitem/ztR (min)RLMHLMRat HepsDog HepsHuman Heps
Relative proportions of metabolites after incubation of sila-haloperidol for 60/120 min (%)
    N-Dealk2281.22211144512
    Ring-opened1+OH3801.2822000
    +OH+Gluc5841.52N.D.N.D.3900
    Ring-opened13641.7446301025
    +OH+Sulfate4881.82N.D.N.D.300
    OH4081.90713500
    Ring-opened23821.94120027
    Red3942.011198456
Fraction of parent drug remaining after incubation (%)
    Sila-haloperidol3922.188365806194
  • Heps, hepatocytes; N.D., not determined (no addition of UDPGA in this experiment).