Serum levels of maprotiline and its adverse effects on depressed patients.
The relationships between the side effects of maprotiline (MPT) and the serum concentration of MPT and desmethylmaprotiline (DMPT) were investigated with 27 blood samplings in 15 depressed inpatients. There were significant correlations between the side effects and serum levels of MPT and DMPT. Mild side effects frequently occurred at levels of more than 130 ng/ml of MPT and 70 ng/ml of DMPT. At more than 220 ng/ml of the MPT levels and 110 ng/ml of DMPT levels, severe side effects occurred. Nearly sigmoidal serum level/side effect response curves occurred with both compounds.
Department of Neuropsychiatry, Faculty of Medicine, Toyama Medical and Pharmaceutical University, Japan.
K
K
Kurata
H
H
Kido
M
M
Hasegawa
M
M
Inoue
N
N
Yamaguchi
D000328:Adult; D000873:Anthracenes / Q000097:blood*; D000929:Antidepressive Agents, Tricyclic / Q000009:adverse effects / Q000097:blood* / Q000627:therapeutic use; D003866:Depressive Disorder / Q000188:drug therapy* / Q000378:metabolism; D004305:Dose-Response Relationship, Drug; D004569:Electroencephalography; D005260:Female; D006801:Humans; D008297:Male; D008376:Maprotiline / Q000009:adverse effects / Q000031:analogs & derivatives / Q000097:blood* / Q000627:therapeutic use; D008875:Middle Aged
D000873:Anthracenes; D000929:Antidepressive Agents, Tricyclic; D008376:Maprotiline; C027056:desmethylmaprotiline