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Effects of infused tryptamine in man

W. R. Martin, J. W. Sloan

Psychopharmacologia September 1, 1970 DOI: 10.1007/bf00412669 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Experimental study Peer reviewed
Population Human subjects
Intervention Tryptamine
Topics LSD
Keywords Tryptamine Subjective effects Drug-induced psychosis
Key findings Intravenous tryptamine produces physiological and subjective effects similar to LSD-like hallucinogens, consistent with the hypothesis that these hallucinogens interact with tryptamine receptors.

Abstract

Tryptamine, infused intravenously in man, facilitates the patellar reflex, dilates pupils and elevates blood pressure. It also causes changes in vision and hearing, as well as nausea, vomiting, dizziness, sweating and heaviness of body. These changes are similar to those produced by LSD-like hallucinogens and are consistent with the hypothesis that LSD-like hallucinogens interact with tryptamine receptors as one mode of action.

Comparable studies

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Crystal structure of an LSD-bound human serotonin receptor 2017 Experimental study with structural biology and molecular dynamics simulations
Lysergic Acid Diethylamide: Sensitive Neuronal Units in the Midbrain Raphe Midbrain neurons containing serotonin 1968 Experimental study
Connectome-harmonic decomposition of human brain activity reveals dynamical repertoire re-organization under LSD. Human brain 2017 Experimental study
LSD-Assisted Psychotherapy in Patients with Terminal Cancer Cancer patients 1973 Experimental study n = 60

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