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Holger Siemann

5 papers in the library · 344 citations · publishing 2006-2012

Papers

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Phenomenon of new drugs on the Internet: the case of ketamine derivative methoxetamine

Human Psychopharmacology Clinical and Experimental March 1, 2012 Ornella Corazza, Fabrizio Schifano, Pierluigi Simonato et al. 157 citations

On the basis of the material available both in the scientific literature and on the web, this paper aims to provide a pharmacological, chemical and behavioural overview of the novel compound methoxetamine. This is a dissociative drug related to ketamine, with a much longer duration of action and intensity of effects. A critical discussion of the availability of information on the web of...

Designer Drugs on the Internet: A Phenomenon Out-of-Control? The Emergence of Hallucinogenic Drug Bromo-Dragonfly

Current Clinical Pharmacology May 1, 2011 Ornella Corazza, Fabrizio Schifano, Magı́ Farré et al. 98 citations

Based on the material available in both the scientific literature and on the web, the present paper provides an updated pharmacological, chemical, toxicological and behavioural overview of Bromo-Dragonfly (1-(8-bromobenzo[1,2-b;4,5-b']difuran-4-yl)-2-aminopropane; 'B-fly'). B-Fly is a powerful, long lasting, LSD-like, hallucinogenic drug, which has been associated with a number of acute...

Mephedrone (4-methylmethcathinone; 'meow meow'): chemical, pharmacological and clinical issues.

Psychopharmacology April 2011 Fabrizio Schifano, Antonio Albanese, Suzanne Fergus et al.

Recently, those substances deriving from the active ingredient of the Khat plant, cathinone, have been rising in popularity. Indeed, 4-methylmethcathinone (mephedrone; 'meow meow' and others) has been seen by some as a cheaper alternative to other classified recreational drugs. We aimed here at providing a state-of-the-art review on mephedrone history and prevalence of misuse, chemistry,...

Psychoactive drug or mystical incense? Overview of the online available information on Spice products

International Journal of Culture and Mental Health December 1, 2009 Fabrizio Schifano, Ornella Corazza, Paolo Deluca et al. 79 citations

The aim of the study was to foster the collection and analysis of data from web pages related to information on the consumption, manufacture and sale of Spice products, a brand name for an herbal smoking blend, sold as legal substitute for cannabis. The Google search engine was used to carry out an 8-language qualitative assessment of information available on Spice products in a sample of about...

[Salvia divinorum--representation of a new drug in the Internet].

Gesundheitswesen (Bundesverband der Arzte des Offentlichen Gesundheitsdienstes (Germany)) May 1, 2006 Holger Siemann, Michael Specka, Fabrizio Schifano et al. 10 citations

The German pages of the Internet were searched for the presence of the hallucinogenic herbal drug Salvia divinorum, which is not dealt with in current addiction medicine or psychiatric text books. The investigation is part of the EU sponsored project "Psychonaut" as preparatory work for the development of an Internet-based early warning system. The first 100 websites of the search using "Salvia...