The main purpose of the project was to undertake a 'scoping exercise' to determine the need and circumstances for a naloxone trial to be undertaken in Victoria. This included:A review of the national and international literature; determining the current state of naloxone use in Victoria; investigating the potential to increase access to naloxone; determining whether a naloxone trial should take place and its' form and costs.Interviews were held with takeholders from research, the emergency medical field (both hospital and ambulance), drug and alcohol services, the health department and user groups were interviewed as key informants. These individuals provided assistance with the identification and clarification of the key issues relating to Victoria, potential problems that might result and possible solutions to these problems.