analyses of plasma samples from 12 subjects who had been receiving 50 mg amitriptyline therapy three times a day for an average +/- sd of 32 +/- 5 days gave a mean concentration of 81 +/- 40 ng/ml for amitriptyline , 71 +/- 57 ng/ml for nortriptyline , 12 +/- 5 ng/ml for 10-hydroxyamitriptyline , 91 +/- 30 ng/ml for conjugated 10-hydroxyamitriptyline , 82 +/- 27 ng/ml for 10-hydroxynortriptyline , and 176 +/- 64 ng/ml for conjugated 10-hydroxynortriptyline .
C0002600
amitriptyline
C0028420
nortriptyline