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Óscar J. Pozo

7 papers in the library · 91 citations · publishing 2016-2026

Papers

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Brain-body integromics of the ayahuasca experience.

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie June 1, 2026 Francisco Madrid-Gambin, Pablo Mallaroni, Noemí Haro et al.

Ayahuasca is a psychoactive brew containing N,N-dimethyltryptamine (DMT) and β-carboline alkaloids that induces marked alterations in perception, emotion and self-referential processing. However, the multiscale biological organization linking peripheral metabolism, brain network dynamics, neurochemistry, and subjective experience in humans remains poorly understood. Here, we applied an...

Metabolomic profiling of cannabis use and cannabis intoxication in humans.

Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology May 1, 2025 Francisco Madrid-Gambin, Noemí Haro, Natasha L. Mason et al. 4 citations

Acute intoxication from Δ9-tetrahydrocannabinol (THC, the primary active ingredient of cannabis) can lead to neurocognitive impairment and interference with day-to-day operations, such as driving. Present evaluations of THC-induced impairment in legal settings rely on biological drug tests that solely establish cannabis use, rather than cannabis impairment. The current study evaluated the...

Present and future of metabolic and metabolomics studies focused on classical psychedelics in humans.

Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie December 31, 2023 Francisco Madrid-Gambin, David Fabregat-Safont, Alex Gomez-Gomez et al. 12 citations

Psychedelics are classical hallucinogen drugs that induce a marked altered state of consciousness. In recent years, there has been renewed attention to the possible use of classical psychedelics for the treatment of certain mental health disorders. However, further investigation to better understand their biological effects in humans, their mechanism of action, and their metabolism in humans is...

Present and future of metabolic and metabolomics studies focused on classical psychedelics in humans

Biomedicine & Pharmacotherapy December 31, 2023 David Fabregat-Safont, Alex Gomez-Gomez, Francisco Madrid-Gambin et al.

Psychedelics are classical hallucinogen drugs that induce a marked altered state of consciousness. In recent years, there has been renewed attention to the possible use of classical psychedelics for the treatment of certain mental health disorders. However, further investigation to better understand their biological effects in humans, their mechanism of action, and their metabolism in humans is...

Metabolomics and integrated network analysis reveal roles of endocannabinoids and large neutral amino acid balance in the ayahuasca experience

Biomedicine & Pharmacotherapy March 24, 2022 Francisco Madrid-Gambin, Alex Gomez-Gomez, Arnau Busquets-García et al. 14 citations

There has been a renewed interest in the potential use of psychedelics for the treatment of psychiatric conditions. Nevertheless, little is known about the mechanism of action and molecular pathways influenced by ayahuasca use in humans. Therefore, for the first time, our study aims to investigate the human metabolomics signature after consumption of a psychedelic, ayahuasca, and its connection...

Acute Effects of 2C-E in Humans: An Observational Study

Frontiers in Pharmacology March 18, 2020 Esther Papaseit, Marta Torrens, Mireia Ventura et al. 20 citations

2,5-Dimethoxy-4-ethylphenethylamine (2C-E) is psychedelic phenylethylamine, with a chemical structure similar to mescaline, used as new psychoactive substance (NPS). It inhibits norepinephrine and serotonin uptake and, more relevant, acts as a partial agonist of the serotonin 2A (5-HT2 A), 2B (5-HT2 B), and (5-HT2 C) receptors. Consumers have reported that 2C-E induces mild-moderate psychedelic...

GC–MS Quantification Method for Mephedrone in Plasma and Urine: Application to Human Pharmacokinetics

Journal of Analytical Toxicology October 3, 2016 Eulàlia Olesti, Mitona Pujadas, Esther Papaseit et al. 41 citations

Increasing consumption has been observed among young people of new psychoactive substances, including synthetic cathinone derivatives. The most well known of these is mephedrone whose use has been related to acute intoxication and fatality. Several methods able to detect mephedrone have been reported, although to date, none have been applied to human pharmacokinetic studies in a controlled...