Can primary care practices screen patients on opioid treatment for alcohol problems?

What is it about?

People receiving opioid agonist treatment such as methadone through general practice frequently also have problem alcohol use, which compounds health risks including liver disease, overdose and mental health problems. Identifying and addressing alcohol use in this population is clinically important but rarely done. This study tested whether a complex intervention designed to support alcohol screening and brief intervention in primary care settings was feasible and acceptable for both patients and healthcare providers. Using a randomised, controlled, pre-and-post design across Irish general practices, the study measured feasibility through recruitment and retention rates, and assessed efficacy by examining screening and brief intervention rates and the proportion of patients identified with problem alcohol use. Of 149 practices invited, 19 agreed to participate. The study documented both the potential and the barriers to implementing alcohol screening within opioid treatment consultations in Irish primary care.

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Why is it important?

The co-occurrence of opioid dependence and harmful alcohol use represents one of the highest-risk combinations in addiction medicine, yet alcohol is routinely overlooked in settings focused on opioid treatment. Feasibility data of this kind are the necessary foundation for designing and powering a full randomised controlled trial, and without it resources can be wasted on under-designed or poorly recruited trials. The relatively low practice recruitment rate found here is itself an important finding, indicating that systemic barriers, including time constraints, training gaps and practitioner confidence, need to be addressed before a full trial is viable. The study contributes directly to the evidence base for developing integrated, co-located responses to comorbid alcohol and opioid problems in primary care, the setting where most people on opioid agonist treatment in Ireland receive their care.