
Auteur M. VAN LAAR
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Documents disponibles écrits par cet auteur (20)

F. LINSEN ; R. P. J. KONING ; M. VAN LAAR ; R. J. M. NIESINK ; M. W. J. KOETER ; T. M. BRUNT | 2015
Dans Addiction (Vol.110, n°7, July 2015) Article : PériodiqueAims: To investigate the temporal pattern of appearance of a new psychoactive substance (4-fluoroamphetamine) on the Dutch drug market, as well as its patterns of use and effects. Design: Data from the Drug Information and Monitoring System (DI[...]
K. MONSHOUWER ; M. VAN LAAR ; W. A. VOLLEBERGH | 2011
Dans Drug and Alcohol Review (Vol.30, n°2, March 2011) Article : PériodiqueISSUES: The key objective of Dutch cannabis policy is to prevent and limit the risks of cannabis consumption for users, their direct environment and society ('harm reduction'). This paper will focus on the tolerated sale of cannabis in 'coffee s[...]
N. LIEBREGTS ; A. BENSCHOP ; P. VAN DER POL ; M. VAN LAAR ; R. DE GRAAF ; W. VAN DEN BRINK ; D. J. KORF | 2011
Dans Contemporary Drug Problems (Vol.38, n°1, Spring 2011) Article : PériodiqueIn a Dutch longitudinal study on the dynamics of cannabis dependence, at baseline 600 frequent cannabis users (> = 3 days cannabis use per week in past 12 months) aged 18-30 years were interviewed. Nearly half of all participants (42%) met DSM-I[...]
Data on drug-related deaths count as one of the five epidemiological key-indicators of the EMCDDA to be implemented in the Member States of the European Union. However, figures on drug-related deaths are not directly comparable between countries[...]
P. VAN DER POL ; N. LIEBREGTS ; T. M. BRUNT ; J. VAN AMSTERDAM ; R. DE GRAAF ; D. J. KORF ; W. VAN DEN BRINK ; M. VAN LAAR | 2014
Dans Addiction (Vol.109, n°7, July 2014) Article : PériodiqueBackground and Aims: Increased delta-9-tetrahydrocannabinol (THC) concentrations in cannabis may lead to higher THC exposure, cannabis dependence and treatment need, but users may also adapt the actual intake of THC through reduced inhalation of[...]
M. GRABSKI ; J. WALDRON ; T. P. FREEMAN ; C. MOKRYSZ ; R. J. J. VAN BEEK ; P. VAN DER POL ; B. HAUSPIE ; N. DIRKX ; J. SCHROOTEN ; T. H. ELGAN ; K. FELTMAN ; E. BENEDETTI ; G. SCALIA TOMBA ; F. FABI ; S. MOLINARO ; J. GRIPENBERG ; T. VAN HAVERE ; M. VAN LAAR ; H. V. CURRAN | 2022
Dans European Addiction Research (Vol.28, n°2, March 2022) Article : PériodiqueBACKGROUND: Monitoring emerging trends in the increasingly dynamic European drug market is vital; however, information on change at the individual level is scarce. In the current study, we investigated changes in drug use over 12 months in Europ[...]
ENGLISH : Aims: Throughout the European Union efforts are made to obtain national estimates of problem drug use. These estimates are required for policy making. Given the importance of the estimates, much depends on their validity. Here we use[...]Nouveauté
M. VAN LAAR ; P. VAN DER POL ; R. NIESINK | 2016
Dans International Journal of Drug Policy (Vol.34, August 2016) Article : PériodiqueThe Netherlands has seen an increase in Delta9-tetrahydrocannabinol (THC) concentrations from approximately 8% in the 1990s up to 20% in 2004. Increased cannabis potency may lead to higher THC-exposure and cannabis related harm. The Dutch govern[...]
P. VAN DER POL ; N. LIEBREGTS ; R. DE GRAAF ; M. TEN HAVE ; D. J. KORF ; W. VAN DEN BRINK ; M. VAN LAAR | 2013
Dans Addiction (Vol.108, n°8, August 2013) Article : PériodiqueAims: To compare the prevalence of mental disorders between frequent cannabis users with and without dependence and the general population. Design: Cross-sectional comparison of interview data. Setting: Enriched community sample of frequent ca[...]
N. LIEBREGTS ; P. VAN DER POL ; R. DE GRAAF ; M. VAN LAAR ; W. VAN DEN BRINK ; D. J. KORF | 2015
Dans Journal of Youth Studies (Vol.18, n°5, 2015) Article : PériodiqueMany cannabis users 'mature out' of their drug use, and factors of cannabis use cessation have been identified. However, very little in-depth knowledge is available about the mechanisms underlying this phenomenon. Criminological studies have gai[...]
R. J. J. VAN BEEK ; M. BLANKERS ; M. KLEINJAN ; J. WALDRON ; M. GRABSKI ; T. FREEMAN ; V. CURRAN ; P. VAN DER POL ; M. VAN LAAR | 2024
Dans European Addiction Research (Vol.30, n°1, February 2024) Article : PériodiqueINTRODUCTION: Polydrug use patterns among young adults using ecstasy vary, as well as their willingness to change them. Polydrug use patterns are likely associated with different adverse health outcomes. It is unknown whether polydrug use patter[...]
D. VAN DER GOUWE ; M. GALLA ; A. VAN GAGELDONK ; E. CROES ; J. ENGELHARDT ; M. VAN LAAR ; M. BUSTER | 2006
RapportFRANÇAIS : Buts et objectifs : Suite à un appel d'offres ouvert, la Commission européenne a décidé d'engager les services de l'Institut Trimbos pour collecter et analyser les informations de base d'un rapport de la Commission conformément au P[...]
D. VAN DER GOUWE ; T. M. BRUNT ; M. VAN LAAR ; P. VAN DER POL | 2017
Dans Addiction (Vol.112, n°4, April 2017) Article : PériodiqueBackground and aims: On-line drug markets flourish and consumers have high expectations of on-line quality and drug value. The aim of this study was to (i) describe on-line drug purchases and (ii) compare on-line with off-line purchased drugs re[...]
The DRD-Standard is the Drug-Related Deaths Standard for the Member States of the European Union. It is the standard protocol for extracting and collecting data, reporting key figures to the EMCDDA and sending data to the EMCDDA. Each year, data[...]
V. LORENZETTI ; C. HINDOCHA ; K. PETRILLI ; P. GRIFFITHS ; J. BROWN ; A. CASTILLO-CARNIGLIA ; J. P. CAULKINS ; A. ENGLUND ; M. A. ElSOHLY ; S. H. GAGE ; T. GROSHKOVA ; A. GUAL ; D. HAMMOND ; W. LAWN ; H. LOPEZ-PELAYO ; J. MANTHEY ; C. MOKRYSZ ; R. L. PACULA ; M. VAN LAAR ; R. VANDREY ; E. WADSWORTH ; A. WINSTOCK ; W. HALL ; H. V. CURRAN ; T. P. FREEMAN | 2022
Dans Addiction (Vol.117, n°6, June 2022) Article : PériodiqueBACKGROUND: The lack of an agreed international minimum approach to measuring cannabis use hinders the integration of multidisciplinary evidence on the psychosocial, neurocognitive, clinical and public health consequences of cannabis use. METH[...]