After the study ends: A qualitative study of factors influencing intervention sustainability.

age = 35.6) completed interviews after participating in an open trial of an evidence-based intervention for depression, anxiety, and conduct disorders. Interviews were analyzed using thematic analysis methods. All (100%) clinicians reported current use of the intervention. Four themes emerged related to sustainability. Clinicians (100%) reported that making modifications, alignment with prior training, and relative advantage influenced their current intervention use. Clinicians (100%) reported that knowledge transfer from treatment developers was vital to sustainability. They (92%) noted a number of logistical, inner-organizational, and client-level barriers to sustainability. Lastly, clinicians (92%) identified factors related to scaling up the intervention. A variety of personal, organizational, logistical, and client variables influence the sustainment of new interventions, and could be leveraged in future implementation efforts.