Understanding Barriers and Facilitators to the Uptake of Best Practices for the Treatment of Co-Occurring Chronic Pain and Opioid Use Disorder.

: Patients with a combination of chronic pain and opioid use disorder have unique needs and may present a challenge for clinicians and health care systems. The objective of the present study was to use qualitative methods to explore factors influencing the uptake of best practices for co-occurring chronic pain and opioid use disorder in order to inform a quantitative survey assessing primary care provider capacity to appropriately treat this dual diagnosis. : Guided by the Consolidated Framework for Implementation Research (CFIR), semi-structured qualitative interviews were conducted with 11 primary care providers (PCPs) to inform the development of a questionnaire.