Evidence map›Paper›PMID 35124413›Full record

ArticleThe International journal on drug policy2022

Characterizing safer supply prescribing of immediate release hydromorphone for individuals with opioid use disorder across Ontario, Canada.

Samantha Young, Gillian Kolla, Daniel McCormack, Tonya Campbell, Pamela Leece, Carol Strike, Anita Srivastava, Tony Antoniou, Ahmed M Bayoumi, Tara Gomes

Open access · greenAbstract read
In one paragraph

Article in The International journal on drug policy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
8.6field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

24 citing papers in PubMed, 46 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors at 6 institutions in 1 country.

Samantha YoungInstitute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada; Division of General Internal Medicine, Department of Medicine, St. Michael's Hospital, Unity Health, Toronto, Ontario, Canada; Interdepartmental Division of Addiction Medicine, St. Paul's Hospital, Vancouver, British Columbia, Canada.
Gillian KollaCanadian Institute for Substance Use Research, University of Victoria, Victoria, British Columbia, Canada.
Daniel McCormackICES, Toronto, Ontario, Canada.
Tonya CampbellLi Ka Shing Knowledge Institute of St. Michael's Hospital, Toronto, Ontario, Canada.
Pamela LeeceDepartment of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada; Dalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada; Public Health Ontario, Toronto, Ontario, Canada.
Carol StrikeDalla Lana School of Public Health, University of Toronto, Toronto, Ontario, Canada; MAP Centre for Urban Health Solutions, St. Michael's Hospital, Toronto, Ontario, Canada.
Anita SrivastavaDepartment of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada; St. Joseph's Hospital, Unity Health, Toronto, Ontario, Canada.
Tony AntoniouICES, Toronto, Ontario, Canada; Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada; Department of Family and Community Medicine, St. Michael's Hospital, Unity Health, Toronto, Ontario, Canada.
Ahmed M BayoumiInstitute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada; Division of General Internal Medicine, Department of Medicine, St. Michael's Hospital, Unity Health, Toronto, Ontario, Canada; MAP Centre for Urban Health Solutions, St. Michael's Hospital, Toronto, Ontario, Canada; Department of Medicine, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
Tara GomesInstitute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada; ICES, Toronto, Ontario, Canada; MAP Centre for Urban Health Solutions, St. Michael's Hospital, Toronto, Ontario, Canada; Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada. Electronic address: Tara.Gomes@unityhealth.to.
St. Michael's Hospital · CAInstitute for Clinical Evaluative Sciences · CAUniversity of Toronto · CAPublic Health Ontario · CASt. Paul's Hospital · CAUniversity of Victoria · CA

Funding

Mentoring the next generation of addiction clinician scientists while responding to the opioid epidemicR25DA037756 · NIDA · UNIVERSITY OF BRITISH COLUMBIA · PI FAIRBAIRN, NADIA · 2014 to 2023
$3.6M
CIHR 153070NIDA NIH HHS R25 DA037756
6 · The paper itself

Abstract

backgroundIn response to the ongoing overdose crisis, some clinicians in Canada have started prescribing immediate release hydromorphone (IRH) as an alternative to the toxic unregulated drug supply. This practice is often referred to as safer supply. We aimed to identify and characterize patients receiving safer supply IRH and their prescribers in Ontario.

methodsUsing provincial administrative health data, we identified individuals with opioid use disorder prescribed safer supply IRH from January 2016 to March 2020 and reported the number of initiations over time. We summarized demographic, health, and medication use characteristics among patients who received safer supply IRH, and examined select clinical outcomes including retention and death. Finally, we characterized prescribers of safer supply IRH and compared frequent and infrequent prescribers.

resultsWe identified 534 initiations of safer supply IRH (447 distinct individuals) from 155 prescribers. Initiations increased over time with a peak in the third quarter of 2019 (103 initiations). Patients' median age was 42 (interquartile range [IQR] 34-50), and most were male (60.2%), urban residents, (96.2%), and in the lowest neighborhood income quintile (55.7%), with 13.9% having overdosed in the previous one year. The prevalence of HIV was 13.9%. The median duration on IRH was 272 days (IQR 30-1,244) and OAT was co-prescribed in 62.9% of courses. Death while receiving IRH or within 7 days of discontinuation was rare (≤5 courses;≤0.94 per person-year for each).

conclusionsClinicians are increasingly prescribing safer supply IRH in Ontario. Patients prescribed safer supply IRH had demographic and clinical characteristics associated with high risk of death from opioid-related overdose. Short-term deaths among people receiving safer supply IRH were rare.

Indexed as

Drug OverdoseOpioid-Related DisordersAdultAnalgesics, OpioidCanadaHumansHydromorphoneMaleOntarioAnalgesics, OpioidHydromorphoneHarm reductionHydromorphoneOpioid agonist therapyOpioid-related disorders

Identifiers

PMID35124413
PMCPMC9949899
OpenAlexW4210667202

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.