Drug-related projects


Implementation specialists, researchers, and policymakers at the Trimbos Institute work on a variety of drug use and/or misuse projects and programs. These project and programs include education for clinicians, teachers, and municipalities, policy development for organizations and government offices, drug abuse prevention for children and teens, and drug abuse treatment.

Addiction, psychological problems, and homelessness

Addiction and psychological problems play a large role in homelessness. In the Netherlands, care and shelter for the homeless is addressed at the municipal level.

For more information, contact Michel Planije


Addictions and Lifestyles in Contemporary Europe - Reframing Addictions Project (ALICE RAP)

The objective of the ALICE RAP program was to reframe the general understanding of addiction and to help redesigning addiction policy based on objective scientific evidence.


Alcohol and Drug Prevention at Clubs and Pubs

Alcohol and Drug Prevention at Clubs and Pubs is a harm reduction program and study that provides tools for local authorities to create healthier and safer nightlife environments by using a healthy settings approach.

For more information, contact Ferry Goossens


Analysis of the EU illicit drugs market and responses to it – responding to future challenges

The focus of this study is the EU drugs market.


Cannabis study on frequent use and dependence

The Cannabis Dependence study CanDep sheds light on why some frequent cannabis users develop a dependency, while others do not.

For more information, contact Peggy van der Pol


Central Asia Drug Action Programme (CADAP VI) 2015 - 2018

The CADAP program, financed by the European Commission, focuses on supporting local governments in developing drug policies that are based on a scientific approach and focused on health and human rights. The Trimbos Institute has been involved since 2016.

For more information, contact John-Peter Kools


Children of parents with psychological or addiction problems

Children of parents with psychological or addiction problems are vulnerable but often invisible. The Trimbos Institute offers guidance on how to identify these children, how to offer them and their families needed support and services, and how to reduce future risks with these populations.

For more information, contact Rianne van der Zanden


Detailed analysis of the operation of the World market in illicit drugs and of policy measures to curtail it

We provide an detailed analysis of the operation of the World market in illicit drugs and of policy measures to curtail it.

For more information, contact John-Peter Kools


Developing HIV prevention services among drug using populations and among prisoners in South Africa

HIV prevention services among drug using populations and among prisoners in South Africa.

For more information, contact John-Peter Kools


Drug Infoline

Through the Drug Infoline, experts from the Trimbos Institute provide evidence-based information and advice about drug use to callers.

For more information, contact Annemarie Pijnappel - Kok


Drug Infoline website

Through the Drug Infoline website, experts from the Trimbos Institute provide evidence-based information and advice about alcohol use.

For more information, contact Ferry Goossens


Drugs Information and Monitoring System (DIMS)

DIMS is a national network of testing facilities that furthermore aims at gaining an insight into the market of controlled substances. DIMS is embedded within the Trimbos Institute and is funded by the Ministry of Health (VWS).

For more information, contact Raymond Niesink


Dutch National School Survey

The Dutch National School Survey is a national research effort regarding the use of tobacco, alcohol, drugs, and the internet among adolescents. The Trimbos Institute conducts this research in collaboration with the University of Utrecht.

For more information, contact Karin Monshouwer


Establishing a Bulgarian drugs' helpline and interactive information website

The aim of the help line is to raise awareness about drugs, prevention, treatment, and rehabilitation in Bulgarian society.

For more information, contact Bart Uitterhaegen


Establishing a Bulgarian drugs' helpline and interactive information website

The aim of the help line is to raise awareness about drugs, prevention, treatment, and rehabilitation in Bulgarian society.

For more information, contact Bart Uitterhaegen


Establishing a school-based drug prevention program in Macedonia

The objectives of this program include developing and implementing a school-based drug prevention program in Macedonia, in cooperation with the Macedonian NGO Healthy Options Skopje (HOPS), as well as training a team of professionals in drug prevention.

For more information, contact Bart Uitterhaegen


European Network Social Inclusion and Health


European School Survey Project on Alcohol and Other Drugs

Conducted every four years, the European School Survey Project on Alcohol and Other Drugs (ESPAD) is a collaborative effort of independent research teams in more than forty European countries.

For more information, contact Karin Monshouwer


Evaluation of the Croatian National Drug Strategy

The Evaluation of the Croatian National Drug Strategy is meant to serve as a critical analysis of the implementation of the Croatian National Drug Strategy 2006 - 2012. The aim is to provide policy relevant information to the stakeholders involved in making and implementing drug policy in Croatia.


Evaluation of the Croatian National Drug Strategy

The Evaluation of the Croatian National Drug Strategy is meant to serve as a critical analysis of the implementation of the Croatian National Drug Strategy 2006 - 2012. The aim is to provide policy relevant information to the stakeholders involved in making and implementing drug policy in Croatia.


Evaluation of the Luxembourg government’s Drug Strategy and Action Plan

On request of the Luxembourg Ministry of Health, the Trimbos Institute has conducted an evaluation of the Governmental Strategy and Action Plan 2010-2014 of Luxembourg regarding the fight against drugs and addictions.


Evaluation of the Luxembourg government’s Drug Strategy and Action Plan

On request of the Luxembourg Ministry of Health, the Trimbos Institute has conducted an evaluation of the Governmental Strategy and Action Plan 2010-2014 of Luxembourg regarding the fight against drugs and addictions.


Harm reduction in the Turkish prison system

The project on harm reduction in the Turkish prison system focused on information gathering, educating prison staff and drug users, offering basic knowledge to prisoners on personal hygiene and preventive measures, collecting information on prisoners’ surroundings, such as family and partners.


Health Behavior in School-aged Children

The Health Behavior in School-aged Children (HBSC) survey collects data every four years on 11-, 13- and 15-year-old boys' and girls' health and well-being, social environments, and health behaviors. HBSC includes 44 countries and regions across Europe and North America.

For more information, contact Saskia van Dorsselaer


Healthy Nightlife Toolbox

The Healthy Nightlife Toolbox (HNT) project collects data on interventions in Europe, targeted at reducing and preventing harm caused by alcohol and drugs in nightlife settings.

For more information, contact Aukje Sannen


Healthy schools: A prevention program

The Healthy School Prevention Program is a school-based prevention program for elementary and middle school students about alcohol, drug use, and tobacco use.

For more information, contact Jeroen Lammers


HIV prevention, treatment, care, and support in prison settings in sub-Saharan Africa

The UNODC Regional Office for Southern Africa selected the Trimbos Institute to provide international consultancy services to support its efforts in improving care in prison settings in 11 countries.


How can I help my kids say 'No' to tobacco, alcohol, and cannabis?

The Trimbos Institute and STIVORO, the former Dutch knowledge center for tobacco control, launched a joint campaign entitled How Can I Help My Kids Say "No" to Tobacco, Alcohol, and Cannabis?

For more information, contact Matthijs Oud


Monitor Drug-related Incidents (MDI)

The Monitor Drug-related Incidents (MDI) is a Dutch monitoring system of the Trimbos-institute, initiated in 2009. It collects information on presentations with drug-related acute toxicities at four medical services, in eight regions of the Netherlands to provide an indicative base for monitoring.

For more information, contact Esther Croes


Monitor of New Drugs

The Monitor of New Drugs (MND) assesses the presence of new (mostly unregulated) psychoactive substances in the DIMS system, along with data from the National Forensic Institute and the Customs Laboratory.

For more information, contact Raymond Niesink


National Drug Monitor

The National Drug Monitor (NDM) is the core publication of drug monitoring in the Netherlands.

For more information, contact Margriet van Laar


National Focal Point

The Netherlands REITOX National Focal Point for the EU drugs agency EMCDDA is based in the Drug Monitoring & Policy Program at the Trimbos Institute.

For more information, contact Margriet van Laar


NEMESIS-2 study

The Trimbos Institute is involved in large scale, longitudinal research monitoring the mental health of the Dutch population between the ages 18 to 64 years old as part of the Netherlands Mental Health Survey and Incidence Study (NEMESIS-2).

For more information, contact Margreet ten Have


Open and alert

The Open and Alert project provides tools to residential youth workers at institutions that focus on individuals with addictions.

For more information, contact Lonneke van Leeuwen


Predicting Risk of Emerging Drugs with In silico and Clinical Toxicology (PREDICT)

For more information, contact Tibor Brunt


Prevention and education among young people through social networking

A website, smartphone app, and Facebook have been integrated with the aim of connecting young people interactively, to increase awareness, and to help them look out for each other while clubbing.

For more information, contact Bart Uitterhaegen


Reducing infectious diseases among drug users

The Trimbos Institute supports rehabilitation institutions with policy advice, policy evaluations, and support during the research phase about infectious diseases (Hepatisis C or HIV).

For more information, contact Anouk de Gee


Strengthening community-based drug prevention and intervention for young people in Kosovo

For more information, contact Bart Uitterhaegen


Supporting alcohol, drugs, and tobacco control policy work in municipalities

Researchers, implementation designers, and policy developers from the Trimbos Institute advise municipalities in the Netherlands and abroad on effective drug, alcohol, and tobacco control policies and laws.

For more information, contact Ingrid Schulten


THC Monitor

Many of the cannabis products sold in these coffee shops originate from Dutch-grown marijuana, known in Dutch as 'nederwiet'. On behalf of the Ministry of Health, Welfare, and Sport, the THC Monitor investigates the potency of cannabis products sold in coffee shops in the Netherlands.

For more information, contact Sander Rigter


Weed-check

Weed-check, based on Adolescent Cannabis Check-Up (ACCU), is a brief intervention intended to supplement other harm reduction programs focusing on cannabis use.

For more information, contact Margriet van Laar


WMH (World Mental Health)-WHO survey initiative

The WMH (World Mental Health)-WHO survey initiative is a project of the Assessment, Classification, and Epidemiology (ACE) Group at the World Health Organization.

For more information, contact Margreet ten Have