• We present the results of a direct comparison of phenelzine sulfate and amitriptyline hydrochloride therapy in 105 depressed patients. We believe this is the first definitive double-blind controlled clinical trial of a monoamine oxidase inhibitor and a tricyclic antidepressant in the outpatient setting. The results show both antidepressants to be effective, with the similarities between the two exceeding the differences. Both drugs had marked antidepressant and antianxiety effects. Phenelzine tended to exert a stronger antianxiety action; amitriptyline was more effective in reversing weight loss and improving sleep. The incidence of two side effects, sedation and orthostatic hypotension, was almost identical. Dry mouth was more prevalent with amitriptyline. We discuss the indications for the differential clinical use of both drugs in depressed outpatients.
Ravaris CL, Robinppson DS, Ives JO, Nies A, Bartlett D. Phenelzine and Amitriptyline in the Treatment of Depression: A Comparison of Present and Past Studies. Arch Gen Psychiatry. 1980;37(9):1075–1080. doi:10.1001/archpsyc.1980.01780220113013
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