The purpose of this review was to examine the research literature on continuing care for alcohol and drug use disorders, including studies that addressed efficacy, moderators, mechanisms of action, and … A targeted literature review was conducted on the evidence regarding engagement and retention in addiction treatment and was used to inform the deliberations of the committee. To do this, treatment providers must proactively engage individuals in care, including those who are uninterested or ambivalent about treatment, and design services with the intention of increasing …