Toxics
May 31, 2025
Guillaume Grzych, R. Diesnis, Thierry Dupré et al.
Nitrous oxide (N2O) was originally used for medical and industrial purposes, but its recreational use has dramatically increased, raising a major global public health concern. Chronic inhalation is associated with neurological, metabolic, and psychiatric complications, as well as addiction. To address these challenges, the PROTOSIDE network was developed to provide a multidisciplinary approach...
L'Encephale
February 1, 2025
Doriane Dost, Amine Benyamina, Laurent Karila
Current scientific literature supports classical psychedelic efficacy in many psychiatric disorders. However, less attention has been given to the neurological effects of these substances. The aim of this medical thesis was to conduct a systematic review examining the neuroimaging correlates of the effects of psychedelics. We performed an electronic research through Medline and Science Direct...
L'Encephale
August 1, 2021
Lucie Berkovitch, Bruno Romeo, Laurent Karila et al.
25 citations
Psychedelics are powerful psychoactive substances. Natural psychedelics have been used for millennia by human civilizations, in particular in Latin America, while synthetic psychedelics were discovered in the 50s, giving rise to a lot of research before they were prohibited. More recently, their therapeutic properties have been studied especially to help patients with psychiatric conditions,...
Journal of Psychiatric Research
May 1, 2021
Bruno Romeo, Marianne Hermand, Amélie Pétillion et al.
74 citations
The use of psychedelic treatments has shown very promising results in some psychiatric and addictive disorders, but not all patients achieved a response. The aim of this review is to explore the clinical and biological factors which could predict the response to psychedelics in psychiatric and addictive disorders. A systematic research was performed on MEDLINE, PsycInfo, Web of science, and...
Journal of Psychopharmacology
May 25, 2020
Bruno Romeo, Laurent Karila, Catherine Martelli et al.
115 citations
Background: Psychedelic drugs have shown an efficacy in some psychiatric disorders and have an original mechanism of action with a 5-HT 2A agonism. Aim: The aim of this meta-analysis was to assess by a quantitative analysis the putative efficacy of psychedelic drugs on depressive symptoms and to investigate the kinetic of this efficacy. Methods: We searched the MEDLINE and PsycINFO databases...
Neuropharmacology
May 15, 2018
Laurent Karila, Geneviève Lafaye, Amandine Scocard et al.
The new psychoactive substances phenomenon continues to represent a considerable public health challenge. Synthetic cathinones are β-keto amphetamine analogues, also known as legal highs, research chemicals, bath salts. These drugs have surfaced as a popular alternative to other illicit drugs of abuse, such as cocaine, MDMA, and methamphetamine, due to their potent psychostimulant and...
Dialogues in Clinical Neuroscience
September 1, 2017
Geneviève Lafaye, Laurent Karila, Lisa Blecha et al.
Cannabis (also known as marijuana) is the most frequently used illicit psychoactive substance in the world. Though it was long considered to be a “soft” drug, studies have proven the harmful psychiatric and addictive effects associated with its use. A number of elements are responsible for the increased complications of cannabis use, including the increase in the potency of cannabis and an...
Drug Testing and Analysis
September 2011
Laurent Karila, Michel Reynaud
Designer drugs belong to a group of legally or illegally produced substances that are structurally and pharmacologically very similar to illicit drugs. In the past, designer drugs were often used during all-night dance parties, but they are now consumed in multiple settings from college bars to parks to private house parties. Most of these club drugs can be bought on legal websites and...
The´rapie
2010
Danièle Debruyne, Marie-Anne Courné, Reynald Le Boisselier et al.
Designer drugs are currently marketed as substitutes for stimulant drugs as cocaine, amphetamine, MDMA...Unlike compounds listed as narcotics, these new substances are deliberately synthesized to avoid anti-drug laws. Among them, mephedrone (4-methylmethcatinone) that belongs to cathinone family, has been recently introduced in France. Users report positive euphoric and entactogenic effects....