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Opioid substitution treatment (OST) to improve HCV treatment outcomes
Summary of the evidence
Opioid Substitution Treatment (OST) to increase compliance to HCV treatment and to to increase HCV treatment virological response were considered not possible to assess due to the lack of ad-hoc studies in a synthesis based on a narrative review (Hellard et al., 2009, cited in EMCDDA - ECDC 2011) including 30 observational studies with a total number of patients superior to 4,000.