Lake S, Kerr T, Buxton J, Walsh Z, Cooper ZD, Socías ME, Fairbairn N, Hayashi K, Milloy MJ The cannabis-dependent relationship between methadone treatment dose and illicit opioid use in a community-based cohort of people who use drugs Cannabis Cannabinoid Res PubMed

Pilarinos A, Kwa Y, Joe R, Dong H, Grant C, Fast D, Buxton J, DeBeck K Methadone maintenance treatment discontinuation among young people use who opioids in Vancouver, Canada Can J Psychiatry PubMed

van Santen DK, Lodi S, Dietze P, van den Boom W, Hayashi K, Dong H, Cui Z, Maher L, Hickman M, Boyd A, Prins M Comprehensive needle and syringe program and opioid agonist therapy reduce HIV and hepatitis c virus acquisition among people who inject drugs in different settings: a pooled analysis of emulated trials Addiction PubMed

Cui Z, Hayashi K, Bach P, Milloy MJ, Kerr T Crystal methamphetamine use and methadone maintenance treatment dissatisfaction: a prospective cohort study in Vancouver, Canada J Subst Use Addict Treat PubMed

Lake S, Buxton J, Walsh Z, Cooper ZD, Socías ME, Fairbairn N, Hayashi K, Milloy MJ Methadone dose, cannabis use, and treatment retention: findings from a community-based sample of people who use unregulated drugs J Addict Med PubMed

Moallef S, DeBeck K, Fairbairn N, Cui Z, Brar R, Wilson D, Johnson C, Milloy MJ, Hayashi K Inability to contact opioid agonist therapy prescribers during the COVID-19 pandemic in a Canadian setting: a cross-sectional analysis among people on opioid agonist therapy Addict Sci Clin Pract PubMed

Cui Z, Bach P, Ti L, Hayashi K, Morgan J, Milloy MJ, Kerr T Opioid agonist therapy engagement and crystal methamphetamine use: the impact of unregulated opioid use in Vancouver, Canada Int J Drug Policy PubMed

Cui Z, Hayashi K, Bach P, Dong H, Milloy MJ, Kerr T Predictors of crystal methamphetamine use initiation or re-initiation among people receiving opioid agonist therapy: a prospective cohort study Drug Alcohol Depend PubMed

Socías ME, Wood E, Le Foll B, Lim R, Choi JC, Mok WY, Bruneau J, Rehm J, Wild TC, Bozinoff N, Hassan A, Jutras-Aswad D, OPTIMA Research Group within the Canadian Research Initiative in Substance Misuse Impact of fentanyl use on initiation and discontinuation of methadone and buprenorphine/naloxone among people with prescription-type opioid use disorder: secondary analysis of a Canadian treatment trial Addiction PubMed