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.
52,752 ISSUP Members worldwide
Map showing distribution of ISSUP members around the world
News
ISSUP Newsletter - Issue 223 (5 August 2026)
In this edition, we welcome you to the ISSUP 2026 Virtual Event, Connecting Sectors, Creating Impact: A United Response on Drugs, taking place from 22–23 September 2026. Registration is now open.
Latest Webinars
Emerging Lethal Synthetic Drugs and Dangerous Drug Mixtures: The Wave of the Future and How We Should Respond
ISSUP Global presents a webinar exploring the growing impact of adulterants and synthetic additives in illicit drug markets, and their implications for prevention, treatment, recovery, and public health.
Location Online
Date 19 August 2026
Knowledge Share
2026 National Drug Control Strategy - The White House
Published by Office of National Drug Control Policy (ONDCP)
Date 04 May 2026
Knowledge Share
The New Drug World: Strengthening Collaboration to Address Synthetic Drug Threats
Published by Global Initiative Against Transnational Organized Crime.
Date 30 Jun 2026
The ISSUP Exchange Podcast
Democratising Evidence with David Patton Pt. 4: The Future of Evidence
Published by The ISSUP Exchange - Episode 6.4
Date 07 Jul 2026