Maria Eugênia Costa Queiroz: research papers

Effects of ayahuasca on the endocannabinoid system of healthy volunteers and in volunteers with social anxiety disorder: Results from two pilot, proof‐of‐concept, randomized, placebo‐controlled trials

Human Psychopharmacology: Clinical and Experimental February 2, 2022 Rafael G. Dos Santos, Juliana Mendes Rocha, Giordano Novak Rossi et al. 20 citations

Abstract Objective To assess endocannabinoid (anandamide, AEA; 2‐arachidonoylglycerol, 2‐AG) plasma levels in healthy volunteers and in volunteers with social anxiety disorder (SAD) after a single oral dose of ayahuasca or placebo. Methods Post hoc analysis of endocannabinoid plasma levels (baseline, 90 and 240 min after drug intake) from two parallel‐group, randomized, placebo‐controlled...

DOI: 10.1002/hup.2834 Ayahuasca Anxiety Placebo Endocannabinoid system +4

Effects of Ayahuasca on Personality: Results of Two Randomized, Placebo-Controlled Trials in Healthy Volunteers

Frontiers in Psychiatry August 6, 2021 Juliana Mendes Rocha, Giordano Novak Rossi, Flávia de Lima Osório et al. 37 citations

Rationale: Previous studies with the serotonergic hallucinogens LSD and psilocybin showed that these drugs induced changes in personality traits, such as increases in Openness. However, results are inconsistent, and the effects of ayahuasca on personality were never investigated in a controlled trial. Objectives: To assess the effects of ayahuasca on personality in two randomized,...

DOI: 10.3389/fpsyt.2021.688439 Ayahuasca Psilocybin Placebo Hallucinogen +4

Internet method for the extraction of N,N-dimethyltryptamine from Mimosa hostilis roots: Does it really extract dimethyltryptamine?

Journal of Psychedelic Studies March 1, 2019 Giordano Novak Rossi, Eduardo José Crevelin, Gabriela de Oliveira Silveira et al. 10 citations

Background and aims The psychoactive capacity of the alkaloid N,N-dimethyltryptamine (DMT) has been known for decades, and its presence in beverages used in religious contexts around the world – such as ayahuasca – has attracted growing attention from the scientific community due to its possible anxiolytic and antidepressant effects. Mimosa hostilis, popularly known as jurema preta in Brazil,...

DOI: 10.1556/2054.2019.009 Full text Dichloromethane Chloroform Ethyl acetate Extraction chemistry +7

Possible Interactions Between 5-HT2A Receptors and the Endocannabinoid System in Humans

Journal of Clinical Psychopharmacology October 19, 2018 Rafael G. Dos Santos, José Alexandre S. Crippa, Flávia de Lima Osório et al. 9 citations

dos Santos, Rafael Guimarães PhD; Crippa, José Alexandre MD, PhD; Osório, Flávia de Lima PhD; Rocha, Juliana M. BSc; Rossi, Giordano Novak BSc; Marchioni, Camila BSc; Queiroz, Maria Eugênia Costa PhD; Silveira, Gabriela O. BSc; Yonamine, Mauricio PhD; Hallak, Jaime Eduardo Cecilio MD, PhD Author Information

DOI: 10.1097/jcp.0000000000000973 Endocannabinoid system Receptor

Papers

Effects of ayahuasca on the endocannabinoid system of healthy volunteers and in volunteers with social anxiety disorder: Results from two pilot, proof‐of‐concept, randomized, placebo‐controlled trials

Effects of Ayahuasca on Personality: Results of Two Randomized, Placebo-Controlled Trials in Healthy Volunteers

Internet method for the extraction of N,N-dimethyltryptamine from Mimosa hostilis roots: Does it really extract dimethyltryptamine?

Possible Interactions Between 5-HT2A Receptors and the Endocannabinoid System in Humans