What is ISSUP?
We are an international network that unites, connects and shares knowledge across the substance use workforce. We aim to make the work of our members as effective as possible through knowledge sharing, training and networking opportunities.
Who is ISSUP for?
ISSUP is for everyone who is doing something to address substance use in a variety of settings. This includes health and treatment professionals, prevention practitioners, market disruption and supply, law enforcement, policy makers, and community-led groups like youth and volunteers.
54,440 ISSUP Members worldwide
Map showing distribution of ISSUP members around the world
News
ISSUP Newsletter - Issue 229 (11 November 2026)
Read the latest edition of the ISSUP Newsletter. In this issue, we highlight ISSUP Academy’s first trainer-led course, bringing together 28 colleagues from 16 countries to explore how international standards can support the management of treatment services.
Latest Webinars
Entender y prevenir el consumo abusivo episódico de alcohol en universitarios
ISSUP Colombia le invita cordialmente a participar en su seminario web sobre Entender y prevenir el consumo abusivo episódico de alcohol en universitarios.
Location Online
Date 19 November 2026
Knowledge Share
Protecting young people from recruitment into criminal drug networks: Research gaps and priorities for stronger prevention and intervention in the European Union
Published by Dr Eoin O’Meara Daly and Helen Fitzgerald, European Union Drugs Agency safe futures project, Research Evidence into Policy, Programmes and Practice School of Law University of Limerick
Date 30 Sep 2026
Knowledge Share
Public Health Alert: Cychlorphine, a Highly Potent Emerging Synthetic Opioid
Published by Addiction Policy Forum
Date 30 Sep 2026
The ISSUP Exchange Podcast
Faith, Identity and Belonging: Preventing Criminal Recruitment with Tim Rosier Pt. 2
In this second episode of Faith, Identity and Belonging: Preventing Criminal Recruitment, Professor Goodman Sibeko continues the conversation with Tim Rosier, exploring how the need for identity, recognition, safety and belonging can make young people vulnerable to recruitment.