This is an academic paper that provides a systematic review of existing research that has empirically evaluated interventions designed to reduce stigma related to substance use disorders. A range of interventions demonstrate promise for achieving meaningful improvements in self-, social-, and structural-level stigma.
Livingston, J.D., Milne, T., Fang, M.L., Amari, E. (2012). The effectiveness of interventions for reducing stigma related to substance use disorders: a systematic review. Addiction (Abingdon, England), 107(1), 39–50.