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.
54,087 ISSUP Members worldwide
Map showing distribution of ISSUP members around the world
News
ISSUP Newsletter - Issue 227 (15 October 2026)
In this issue, we’re sharing the fourth and final episode of the The Road After Prison: Care, Recovery and Safer Communities podcast with Michael Chaple, alongside a new reading list highlighting key insights from ISSUP 2026 Virtual Conference.
Latest Webinars
Evidence-based psychosocial interventions in substance use disorders: implications for professional practice.
ISSUP Spain cordially invites you to participate in its webinar on Evidence-Based Psychosocial Interventions in Substance Use Disorders: Implications for Professional Practice.
Location Online
Date 27 October 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
The Road After Prison: Care, Recovery and Safer Communities with Michael Chaple Pt.4
In this fourth and final episode of The Road After Prison: Care, Recovery and Safer Communities, Professor Goodman Sibeko is joined by Michael Chaple to explore how re-entry success can be measured beyond recidivism. Michael discusses the importance of treatment engagement, health and wellbeing, stable housing, employment, financial security, and social reintegration in understanding how people rebuild their lives after incarceration.