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Psychological Effects and Metabolism of N,N-diethyltryptamine in Man

Stephen Szára

Archives of General Psychiatry September 1, 1966 DOI: 10.1001/archpsyc.1966.01730150096014 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Controlled trial Peer reviewed
Sample size 20
Population Chronic schizophrenic patients and normal volunteers
Intervention DET
Dose 1 mg/kg
Topics Mescaline
Keywords Tryptamines Lysergic acid Metabolism Skatole Indole test Hydroxylation Stereochemistry Pharmacology Biochemistry Enzyme
Citations 33
Key findings The study compared DET metabolism in chronic schizophrenic patients and normal volunteers to correlate the rate of DET metabolism with psychological effects.

Abstract

SIMPLE INDOLE derivatives like the alkylated tryptamines, N,N-dimethyltryptamine (DMT) and N,N-diethyltryptamine (DET), produce psychotogenic-like symptoms similar to lysergic acid diethyemide (LSD) and mescaline.1-4 One of the important metabolic pathways of DET has been shown to be by 6-hydroxylation.5The known metabolic pathways of DET are summarized in Fig 1. Other investigators have reported that naturally occurring indole derivatives, ie, tryptamine itself, skatole, melatonin, can also be hydroxylated in the six position.6-8This suggests the possibility that this enzyme system might be involved in spontaneously occurring psychoses. The present study was undertaken to compare the metabolism of DET in a group of chronic schizophrenic patients and in a group of normal volunteers and to correlate the individual rate of DET metabolism with the psychological effects in man. Methods Experimental Procedure.—A 1 mg/kg dose of DET was administered intramuscularly to ten normal

Comparable studies

Other non-randomized and open-label trials on mescaline, most cited first.

Study Year Design Participants
The paradoxical psychological effects of lysergic acid diethylamide (LSD) Healthy volunteers 2016 Within-subjects controlled trial n = 20
DOET(2,5-Dimethoxy-4-Ethylamphetamine), a New Psychotropic Drug Normal male subjects 1971 Controlled trial
Pharmacokinetics, Pharmacodynamics, and Urinary Recovery of Oral Mescaline Hydrochloride in Healthy Participants. Healthy human participants 2025 Clinical trial (phase I) n = 49

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