since acute pretreatment with comparable clinical doses of the antidepressive drugs , mianserin , amitriptyline , imipramine , or iprindole , resulted in blockade of the 5-htp induced depression by 70 , 50 , 40 , and 20 % respectively , these drugs can act as antagonists of 5-ht at the postsynaptic serotonin receptor .
C0003289
antidepressive
C0002600
amitriptyline