Opioid prescribing policies associated with abrupt tapering, potential patient harm

Opioid prescribing policies associated with abrupt tapering, potential patient harm
Dr. Tara Gomes. Credit: St. Michael's Hospital

Opioid-related policies and guidelines introduced in 2016 and 2017 meant to promote safer opioid prescribing were associated with temporary increases in abrupt opioid dose tapering, which can cause some patients to experience withdrawal, worsening pain, and in some cases, transitions to the unpredictable unregulated drug supply.

The study, published in Pain and led by Unity Health Toronto, suggests that some patients with have been negatively impacted by prescribers' responses to shifting opioid , and highlights the need for clearer communication for prescribers.

"As guidelines and policies have been developed with the goal of promoting more safe, appropriate opioid prescribing, there has been growing concern about the misapplication of recommendations leading to abrupt tapering of opioid doses," said the study's lead author Dr. Tara Gomes, a Scientist at the Li Ka Shing Knowledge Institute of St. Michael's Hospital and ICES, and a Principal Investigator of the Ontario Drug Policy Research Network (ODPRN). "It is important to consider the intended and unintended consequences of changing and clinical practice to ensure that patients are centered within the decision-making process."

Researchers analyzed opioid dose changes for over 58,000 long-term prescription opioid recipients in Ontario receiving very high daily doses between January 2014 and December 2018. Individuals receiving , cancer care and those who received opioid agonist therapy, were excluded from analysis.

Researchers found significant increases in the prevalence of rapid tapering sustained for at least a month following October 2016, coinciding with the implementation Ontario's Fentanyl P4P Return Program, and short-term spikes in prevalence of tapering in March 2017 and July 2017, two months following Ontario's delisting of publicly funded high-strength opioids and the Canadian Guideline for Opioids for Chronic Non-Cancer Pain, respectively.

While the study found spikes in the prevalence of rapid tapering following new policies or guidance, even at their peaks, rapid dose tapering generally didn't exceed two percent of high dose opioid recipients. Researchers also found the spikes were temporary, and that many patients reverted back to higher doses after a few months of tapering.

The authors say effective communication when new policy and guideline changes are being introduced is needed to prevent disruptions in prescribed therapy that could compromise patient safety.

"In the absence of this, changing reimbursement policies for opioids as well as new guidelines can be misinterpreted or inappropriately applied which has the potential to lead to significant patient harm," said Dr. Gomes.

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More information: Diana Martins et al, Impact of changes in opioid funding and clinical policies on rapid tapering of opioids in Ontario, Canada, Pain (2021). DOI: 10.1097/j.pain.0000000000002420
Journal information: Pain

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