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Pre-clinical interaction of ayahuasca, a brew used in spiritual movements, with morphine and propofol

Júlia Movilla Pires, Fúlvio Rieli Mendes, Ana Paula Salum Pires, Maurı́cio Yonamine, José Luiz Gomes Do Amaral, E.a. Carlini

Brazilian Journal of Pharmaceutical Sciences June 7, 2018 DOI: 10.1590/s2175-97902018000117174 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Experimental study Peer reviewed
Population Mice
Interventions Ayahuasca Morphine Propofol
Dose 12, 120 and 1200 mg/kg
Topics Ayahuasca Serotonin
Keywords Propofol Morphine Pharmacology Hallucinogen Hot plate test Nociception
Citations 10
Key findings Ayahuasca showed antinociceptive effects alone and enhanced morphine's analgesia, while it intensified propofol's depressant effect but reduced propofol-induced sleeping time.

Abstract

ABSTRACT Ayahuasca is a beverage with psychoactive properties used in religious and ceremonial rituals by some religious groups. The main active components of ayahuasca are dimethyltryptamine and the harmala alkaloids with β-carboline structure acting as monoamine oxidase A inhibitors. This combination produces a pronounced activation of serotonergic pathways and presents potential interaction with other psychotropics. The objective of this study was to investigate the possible interactions between ayahuasca and agents employed in general anesthesia. The pharmacological interactions between ayahuasca and morphine or propofol were evaluated in mice using doses of 12, 120 and 1200 mg/kg (0.1 to 10 times the average dose consumed by humans in religious rituals). Ayahuasca alone showed an antinociceptive effect in the writhing and formalin tests, and intensified the analgesic effect of morphine in the hot plate test. Concerning the pharmacological interactions between ayahuasca and propofol, the results were opposite; ayahuasca intensified the depressant effect of propofol in the rotarod test, but decreased the sleeping time induced by propofol. These set of results showed the occurrence of some interactions between ayahuasca and the drugs morphine and propofol, possibly by both pharmacokinetics and pharmacodynamics mechanisms.

Comparable studies

Other preclinical and animal studies on ayahuasca, most cited first.

Study Year Design Participants
Monoamine oxidase inhibitors in South American hallucinogenic plants: Tryptamine and β-carboline constituents of Ayahuasca Eight ayahuasca samples from Peru and several Banisteriopsis caapi cultivars 1984 Qualitative and quantitative chemical analysis with in vitro assay
The alkaloids of Banisteriopsis caapi, the plant source of the Amazonian hallucinogen Ayahuasca, stimulate adult neurogenesis in vitro Progenitor cells from subventricular and subgranular zones of adult mice brains 2017 In vitro experimental study
N,N-dimethyltryptamine compound found in the hallucinogenic tea ayahuasca, regulates adult neurogenesis in vitro and in vivo Mice 2020 In vitro and in vivo experimental study
Behavioural and neurotoxic effects of ayahuasca infusion (Banisteriopsis caapi and Psychotria viridis) in female Wistar rat Female Wistar rats 2015 Observational cohort
Effects of ayahuasca on the development of ethanol-induced behavioral sensitization and on a post-sensitization treatment in mice Mice 2015 Experimental study

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