“…There is also considerable potential to build on the work conducted in the area of opioid use disorder to look at other aspects of healthcare for people who use drugs, for example, in the treatment of common comorbidities among those with opioid use disorder. There is a growing body of research from a broad range of countries (e.g., Australia, Malaysia, Brazil, USA, Iran, Jordan, Denmark, Cyprus, Belgium, Portugal, Pakistan, Sweden, China) [57] that has examined utilizing pharmacists to increase access to Hepatitis C screening and treatment, demonstrating that pharmacists involvement in increasing access to Hepatitis C treatment is not only effective [57,58], but also cost-effective [59]. Ideally, the body research into collaborative care for OAT can similarly extend across a range of countries, despite most work currently being limited to the USA and Australia.…”