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Roberta Pacifici

13 papers in the library · 701 citations · publishing 2000-2021

Papers

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Acute Pharmacological Effects and Oral Fluid Biomarkers of the Synthetic Cannabinoid UR-144 and THC in Recreational Users

Biology March 24, 2021 Nunzia La Maida, Esther Papaseit, Lucía Martínez de Soto et al. 14 citations

Synthetic cannabinoids (SCs) are one of the most frequent classes of new psychoactive substances monitored by the EU Early Warning System and World Health Organization. UR-144 is a SC with a relative low affinity for the CB1 receptor with respect to that for the CB2 receptor. As with other cannabinoid receptor agonists, it has been monitored by the EU Early Warning System since 2012 for severe...

Ultra-high-pressure liquid chromatography tandem mass spectrometry determination of hallucinogenic drugs in hair of psychedelic plants and mushrooms consumers.

Journal of Pharmaceutical and Biomedical Analysis November 1, 2014 Simona Pichini, Emilia Marchei, Oscar García-algar et al. 44 citations

A procedure based on ultra-high-pressure liquid chromatography tandem mass spectrometry has been developed for the determination of mescaline, N,N-dimethyltryptamine, psilocin, psilocybin, salvinorin A in hair of consumers of psychedelic vegetal material such peyote or trichocereus cacti, psilocybe mushrooms, Salvia divinorum or psychedelic beverage ayahuasca. After hair washing with methyl...

Magic truffles or Philosopher's stones: a legal way to sell psilocybin?

Drug Testing and Analysis August 9, 2012 Manuela Pellegrini, Maria Concetta Rotolo, Emilia Marchei et al. 21 citations

“Magic mushrooms” is the most common name given to hallucinogenic fungi containing the psychoactive alkaloids psilocybin and psilocin. In recent years, fungis' sclerotia, commonly called “magic truffles” have become a form of supply of psychoactive Psilocybe alkaloids since Psilocybe sclerotia are not specifically included in the laws banning the sale, the purchase and the use of such...

Liquid chromatography-atmospheric pressure ionization electrospray mass spectrometry determination of "hallucinogenic designer drugs" in urine of consumers.

Journal of Pharmaceutical and Biomedical Analysis June 9, 2008 Simona Pichini, Mitona Pujadas, Emilia Marchei et al. 59 citations

A procedure based on liquid chromatography-mass spectrometry (LC-MS) is described for determination of 3,4-methylenedioxymethamphetamine (MDMA), 2,5-dimethoxy-4-methyl-phenethylamine (2C-D), 4-bromo-2,5-dimethoxy-beta-phenethylamine (2C-B), 1-(8-bromo-2,3,6,7-tetrahydrobenzo[1,2-b:4,5-b'] difuran-4-yl)-2-aminoethane (2C-B-Fly), 4-ethylthio-2,5-dimethoxy-beta-phenethylamine (2C-T-2),...

Cognitive performance in recreational ecstasy polydrug users: a two-year follow-up study

Journal of Psychopharmacology January 21, 2008 Susana de Sola Llopis, Mónica Miguélez-Pan, Jordi Peña‐Casanova et al. 58 citations

There is important preclinical evidence of long lasting neurotoxic and selective effects of ecstasy MDMA on serotonin systems in non-human primates. In humans long-term recreational use of ecstasy has been mainly associated with learning and memory impairments. The aim of the present study was to investigate the neuropsychological profile associated with ecstasy use within recreational polydrug...

Combined immunomodulating properties of 3,4‐methylenedioxymethamphetamine (MDMA) and cannabis in humans

Addiction May 22, 2007 Roberta Pacifici, Piergiorgio Zuccaro, Magı́ Farré et al. 39 citations

ABSTRACT Aims Cell‐mediated immune function and the occurrence of mild infectious diseases was investigated. Participants Polydrug consumers of 3,4‐methylenedioxymethamphetamine (MDMA) and cannabis ( n = 37) compared to cannabis users only ( n = 23) and control group ( n = 34). Design A longitudinal prospective study with three cross‐sectional evaluations at time 0 and at 6 months and 1 year...

Disposition of Gamma-Hydroxybutyric Acid in Conventional and Nonconventional Biologic Fluids After Single Drug Administration: Issues in Methodology and Drug Monitoring

Therapeutic Drug Monitoring February 1, 2007 Sergio Abanades, Magı́ Farré, Mireia Segura et al. 66 citations

Little controlled drug administration data are available to aid in the interpretation of gamma-hydroxybutyric acid (GHB) distribution in conventional and nonconventional fluids and the potential correlation between the pharmacokinetics of GHB and drug effects. Single oral sodium GHB doses of 50 mg/kg were administered to five volunteers. Plasma, oral fluid, urine, and sweat were analyzed for...

γ‐Hydroxybutyrate (GHB) in Humans

Annals of the New York Academy of Sciences August 1, 2006 Sergio Abanades, Magı́ Farré, Mireia Segura et al. 124 citations

Despite gamma-hydroxybutyrate (GHB) therapeutic uses and the increasing concern about its toxicity, few studies have addressed GHB dose-related effects under controlled administration and their relationship with its pharmacokinetics. The study design was double-blind, randomized, crossover, and controlled. As a pilot pharmacology phase I study, increasing doses of GHB were given. Single oral...

Quantification of the plant-derived hallucinogen Salvinorin A in conventional and non-conventional biological fluids by gas chromatography/mass spectrometry after Salvia divinorum smoking.

Rapid communications in mass spectrometry : RCM 2005 Simona Pichini, Sergio Abanades, Magí Farré et al. 58 citations

A gas chromatography method with mass spectrometric detection is described for the determination of Salvinorin A, the main active ingredient of the hallucinogenic mint Salvia divinorum. The method was validated in plasma, urine, saliva and sweat using 17-alpha-methyltestosterone as internal standard. The analytes were extracted from biological matrices with chloroform/isopropanol (9:1, v/v)....

Usefulness of Sweat Testing for the Detection of MDMA after a Single-Dose Administration*

Journal of Analytical Toxicology July 1, 2003 Simona Pichini, M.d. Sánchez Navarro, Roberta Pacifici et al. 66 citations

Nine healthy male subjects and recreational users of 3,4-methylenedioxymethamphetamine (MDMA) participated in a study aimed to assess the usefulness of sweat testing for the detection of MDMA after a single 100-mg dose. Sweat was collected for up to 24 h with the PharmChek sweat patches from which drugs were eluted and then analyzed by immunoassay and gas chromatography-mass spectrometry using...

Cell‐Mediated Immune Response in MDMA Users After Repeated Dose Administration

Annals of the New York Academy of Sciences June 1, 2002 Roberta Pacifici, Piergiorgio Zuccaro, Magı́ Farré et al. 58 citations

A bstract : Acute administration of 3,4‐methylenedioxymethamphetamine (MDMA, “ecstasy”) produces time‐dependent immune dysfunction in humans. Recreational use of MDMA generally includes repeated drug consumption, often in association with other drugs, such as alcohol and cannabis. In the laboratory setting, repeated MDMA administration to healthy MDMA consumers produced a time‐dependent immune...

Sweat Testing of MDMA with the Drugwipe(R) Analytical Device: A Controlled Study with Two Volunteers

Journal of Analytical Toxicology March 1, 2001 Roberta Pacifici, Magı́ Farré, Simona Pichini et al. 50 citations

Rapid on-site tests for the analysis of drugs of abuse in unconventional specimens (e.g., sweat) have recently been developed. Two healthy volunteers familiar with the effects of methylenedioxymethamphetamine (MDMA) were given 100 mg of the drug as a single oral dose. MDMA and its main metabolite 4-hydroxy-3-methoxymethamphetamine (HMMA) were determined in plasma and urine by gas...

Immunomodulating Activity of MDMA

Annals of the New York Academy of Sciences September 1, 2000 Roberta Pacifici, Piergiorgio Zuccaro, Magı́ Farré et al. 44 citations

Abstract MDMA (3,4‐methylenedioxymethamphetamine) use can cause neurochemical, behavioral and endocrine alterations, similar to those produced by exposure to acute stress, suggesting its potential as a “chemical stressor.” It is known that stressful stimuli can produce a depression of immune function and an alteration in immune cells distribution. In vitro exposure to MDMA resulted in a...