Curb 'rampant prescribing of opioids and reduce deaths,' Canadian doctors say
It's late, but not too late, for Canada to reduce the toll of opioid overuse and abuse
Use of prescriptionopioidsin Canada has risensteadily over the past 20 years, with skyrocketing misuse, disorders and deaths, say experts who call for enforceable guidelinesand anational strategytoaddressoverprescribing.
In Monday's the Canadian Medical Association Journal, Prof. Benedikt Fischer of theCentre for Addiction and Mental Health in Toronto and his co-authorssay it's late, but not too late, for Canada to reduce the toll of opioid overuse and abuse.
National surveillance data is spotty,but surveys suggest that by 2010, more than 1 in 20 adults and as many as 1in 6 adolescentswere using prescription opioids for non-medical purposes.
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At the same time, demand for prescription opioid-related addiction treatment has soared.
In 2012, several provinces pulled oxycodone from their drug formularies and prescribing shifted to other potent opioids, such as fentanyl and hydromorphone.
Fischer and his team seek guidelines to prescribe opioids only in exceptional cases, with strict limits on dose and duration.
They'd also like to see real-time electronic prescription monitoring systems across the country. They want doctors and pharmacists to be required to consult these databases before prescribing or dispensing opioids.
Fischernoted that illicit fentanyl pills from China and Mexico that increasingly are being trafficked on the street in Canada and have been responsible for numerous overdose deaths, particularly in B.C.have been a distraction from the domestic crisiscreated by excessive prescribing of medical opioids, which often are diverted to recreational users.
"The fake fentanyl is filling and fuelling the demand that our medical system has created," he said, adding that a nationalstrategy needs to deal with prevention as well as treatment for the thousands of Canadians who have become dependent on the drugs.
In a related commentary, M. Eugenia Socias and Keith Ahamad, researchers at the British ColumbiaCentre for Excellence in HIV/AIDS inVancouver, also called for a national strategy in Canada to address overprescribing of opioids, andexpand treatment facilities and services for addiction, especially through care providers.
The federal government is holding a national summit on opioids inOttawa on Nov. 18.
Here are some other key moments in Canada's recent history of prescription opioids:
| Year | Headline | Description |
| 2000 | Dispensing of opioid prescriptions starts to rise | Dispensing of prescription opoids in Canada increased from about 10,000 defined daily doses per million population a day in 2001-2003 to more than 30,000 in 2012-2014. |
| 2007 | Drugmaker guilty of misleading public | Three executives with the U.S. branch of Purdue Pharma pleaded guilty in a U.S. Federal Court to misleading regulators and an unsuspecting public about risk of addiction to OxyContin. |
| 2010 | National Opioid Use Guidelines introduced | Guidelines for safe and effective use of opioids include recommendations such as consider the use of a screening tool with little direction about when not to prescribe or limit doses. |
| 2012 | Questions about oxycodone risk | Oxycodone was implicated in a disproportionate number of opioid-related harms and deaths, prompting several provinces to remove it from the drug formularies. |
| 2012-2016 | Prescribing shifts | Some provinces shift to prescribing other potent opioids, mainly fentanyl and hydromorphone. |
| 2013 | National roadmap strategy | National strategy on reducing harms associated with prescription drugs presents vague recommendations, but it's unclear how many have been effectively implemented, researchers say. |
| 2015 | Draft federal regulations | Federal regulators present draft regulations to require a tamper-proof design for prescription oxycodone formulations that account for about 10 per cent of dispensed opioids. |
| 2016 | U.S. guidelines introduced | U.S. Centers for Disease Control and Prevention recommends that doctors prescribe opioids at the lowest effective dosage possible only when the benefits from pain reduction and bodily function outweigh the risks. |
| 2016 | British Columbia declares public health emergency over opioid deaths | Opioid crisis that has killed more than 370 people in the province in the first part of 2016 is declared a public health emergency and a task force is created. |
| 2016 | Nova Scotia crackdown | Nova Scotia College of Physicians and Surgeons endorses CDC guidelines and recommends doctors cut in half the amount ofopioidsthey prescribe for chronic pain. |
With files from Canadian Press
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