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  3. Lindsay Mackay

Lindsay Mackay

Clinical Instructor
Academic Appointment
Clinical Instructor
Research Focus
Substance Use
Contact Info
lindsay.mackay@alumni.ubc.ca
204-999-1981

Biography

Dr. Lindsay Mackay is an addiction medicine physician, researcher and clinical instructor at the University of British Columbia. She is the medical lead of the VCH Downtown Eastside Connections Clinic and provides care across multiple community and hospital-based settings, including the Portland Hotel Society’s Columbia Street Clinic and Vancouver Coastal Health’s withdrawal management services. 

Dr. Mackay’s research focuses on innovative treatments for substance use disorders, including psychedelic-assisted therapy and novel contingency management approaches. She is the principal investigator of a VCHRI-funded study evaluating a low barrier, peer-led contingency management program for individuals with opioid and stimulant use disorders. Her work is grounded in low-barrier, evidence-based care and the development of innovative programs for individuals with substance use disorders facing psychosocial barriers.

News and Awards

Team Grant Awards 2025 Recipients

Jul 22, 2025

Publications

  • Drug and alcohol dependence -

    The relationship between crystal methamphetamine use and methadone retention in a prospective cohort of people who use drugs.

    Mackay L, Bach P, Milloy MJ, Cui Z, Kerr T, Hayashi K
  • Addiction science & clinical practice -

    The relationship between opioid agonist therapy satisfaction and fentanyl exposure in a Canadian setting.

    Mackay L, Kerr T, Fairbairn N, Grant C, Milloy MJ, Hayashi K
  • Addiction (Abingdon, England) -

    Rooming-in and loss of child custody: key factors in maternal overdose risk.

    Mackay L, Ickowicz S, Hayashi K, Abrahams R
  • Substance abuse treatment, prevention, and policy -

    Safety considerations in the evolving legal landscape of psychedelic-assisted psychotherapy.

    Mocanu V, Mackay L, Christie D, Argento E
  • The International journal on drug policy -

    Psychedelic use is associated with reduced daily opioid use among people who use illicit drugs in a Canadian setting.

    Argento E, Socias ME, Hayashi K, Choi J, Mackay L, Christie D, Milloy MJ, DeBeck K
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