Abstract
While opioid agonist treatment (OAT) is the most effective treatment for opioid dependence, it is heavily dependent on regular face-to-face healthcare delivery placing both clients and treatment providers at risk of COVID-19. Following the emergence of COVID-19, policies were rapidly changed in Ireland, with the introduction of national contingency guidelines by the HSE National Social Inclusion Office, beginning in March 2020 to ensure rapid and uninterrupted access to OAT while balancing efforts to mitigate COVID-19 risk. This study aims to assess the impact of the national contingency guidelines, on the quality of OAT care delivered in Ireland. An interrupted time series analysis will be conducted using anonymised aggregated level data obtained from the Central Treatment List (CTL), the national register of people receiving OAT, administered by the National Drug Treatment Centre Board on behalf of the HSE. Separate segmented regressions will be conducted to estimate the impact of the national contingency guidelines on the following outcomes: (1) number of patients in treatment; (2) number of patients starting OAT; (3) average waiting time for treatment; (4) number of people on waiting list; (5) number of patients dropping out of treatment. The study period will be divided into pre-(March 2019 to February 2020) and post- intervention (April 2020 to March 2021) segments. Immediate (change in level) and longer-term impacts (change in slope) of changes to provision of OAT in each of the outcomes will be investigated. Regression coefficients (β) and 95% confidence intervals (CIs) will be reported.
Highlights
COVID-19 presents a significant threat to everyone, people with opioid dependence are vulnerable to the disease and its sequelae, as they have a higher burden of co-existing health problems[1], with many living in areas of social deprivation, with poor-quality housing or homelessness[2]
All patients in receipt of Opioid agonist treatment (OAT) for opioid dependence are registered on the Central Treatment List (CTL), with each person linked to one specific prescriber and a single dispensing site
The aim of this study is to evaluate the impact of the national contingency guidelines introduced from March 2020 on number of patients on OAT, numbers initiating OAT, numbers on waiting list, waiting times, and patient dropout using an interrupted time series (ITS) design
Summary
Any reports and responses or comments on the article can be found at the end of the article. Regression coefficients (β) and 95% confidence intervals (CIs) will be reported. Keywords COVID-19, opioid agonist treatment, interrupted time series, addiction services, drug policy, public health, substance use disorder, harm reduction.
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