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Administration of N,N-dimethyltryptamine (DMT) in psychedelic therapeutics and research and the study of endogenous DMT

Steven A. Barker

Psychopharmacology January 22, 2022 DOI: 10.1007/s00213-022-06065-0 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Review Peer reviewed
Topics 5-MeO-DMT DMT
Keywords Pharmacology Hallucinogen Monoamine oxidase inhibitor Oral administration Route of administration Endogeny
Citations 59
Key findings The review examines how different formulations and routes of administration of DMT affect its pharmacology and therapeutic use, and considers the potential role of endogenous DMT in normal brain function.

Abstract

As with all drugs, the route, form, and/or dose of a substance administered or applied can play a defining role in its overall pharmacology and use as a therapeutic. This review will focus on these factors as they relate to the psychedelic N,N-dimethyltryptamine (DMT). It will examine the positive and negative aspects of different formulations and routes of administration of DMT and the observed effects from such administrations in the form of ayahuasca teas; oral "pharmahuasca"; injections by intravenous (IV) and intramuscular (IM) routes; inhalation, insufflation; and other routes; and high-dose, low-dose, and "micro-dose" effects. The review will consider possible oral route of administration alternatives that would not require concomitant use of a monoamine oxidase inhibitor. The review will then address the current research findings for DMT from in vivo and in vitro studies as well as the possibility that these findings may be revealing the role of endogenous DMT in normal brain function.