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J Gen Intern Med. 2017 Jan;32(1):21-27. doi: 10.1007/s11606-016-3810-3. Epub 2016 Aug 2.

Association Between Initial Opioid Prescribing Patterns and Subsequent Long-Term Use Among Opioid-Naïve Patients: A Statewide Retrospective Cohort Study.

Author information

1
Department of Family Medicine, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Mail Code FM, Portland, OR, 97239, USA. deyor@ohsu.edu.
2
Department of Public Health and Preventive Medicine, Oregon Health and Science University, Portland, OR, USA. deyor@ohsu.edu.
3
Department of Medicine and The Oregon Institute for Occupational Health Sciences, Oregon Health and Science University, Portland, OR, USA. deyor@ohsu.edu.
4
Acumentra Health, Portland, OR, USA.
5
Department of Family Medicine, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Mail Code FM, Portland, OR, 97239, USA.
6
Department of Public Health and Preventive Medicine, Oregon Health and Science University, Portland, OR, USA.
7
OCHIN Inc., Portland, OR, USA.
8
Injury and Violence Prevention Program for the State of Oregon, Portland, OR, USA.

Abstract

BACKGROUND:

Long-term efficacy of opioids for non-cancer pain is unproven, but risks argue for cautious prescribing. Few data suggest how long or how much opioid can be prescribed for opioid-naïve patients without inadvertently promoting long-term use.

OBJECTIVE:

To examine the association between initial opioid prescribing patterns and likelihood of long-term use among opioid-naïve patients.

DESIGN:

Retrospective cohort study; data from Oregon resident prescriptions linked to death certificates and hospital discharges.

PARTICIPANTS:

Patients filling opioid prescriptions between October 1, 2012, and September 30, 2013, with no opioid fills for the previous 365 days. Subgroup analyses examined patients under age 45 who did not die in the follow-up year, excluding most cancer or palliative care patients.

MAIN MEASURES:

Exposure: Numbers of prescription fills and cumulative morphine milligram equivalents (MMEs) dispensed during 30 days following opioid initiation ("initiation month").

OUTCOME:

Proportion of patients with six or more opioid fills during the subsequent year ("long-term users").

KEY RESULTS:

There were 536,767 opioid-naïve patients who filled an opioid prescription. Of these, 26,785 (5.0 %) became long-term users. Numbers of fills and cumulative MMEs during the initiation month were associated with long-term use. Among patients under age 45 using short-acting opioids who did not die in the follow-up year, the adjusted odds ratio (OR) for long-term use among those receiving two fills versus one was 2.25 (95 % CI: 2.17, 2.33). Compared to those who received < 120 total MMEs, those who received between 400 and 799 had an OR of 2.96 (95 % CI: 2.81, 3.11). Patients initiating with long-acting opioids had a higher risk of long-term use than those initiating with short-acting drugs.

CONCLUSIONS:

Early opioid prescribing patterns are associated with long-term use. While patient characteristics are important, clinicians have greater control over initial prescribing. Our findings may help minimize the risk of inadvertently initiating long-term opioid use.

KEYWORDS:

opioid initiation; opioid-naïve; opioids; pain; prescription drug monitoring programs

PMID:
27484682
PMCID:
PMC5215151
DOI:
10.1007/s11606-016-3810-3
[Indexed for MEDLINE]
Free PMC Article

Conflict of interest statement

Compliance with Ethical Standards Prior Presentations None Conflict of Interest Richard A. Deyo discloses that he receives royalties from UpToDate for authoring topics on low back pain, and previously received honoraria for board membership at the nonprofit Informed Medical Decisions Foundation. His salary at Oregon Health & Science University is supported in part by an endowment from Kaiser Permanente. He received a financial award from NuVasive as part of a lifetime achievement award from the International Society for the Study of the Lumbar Spine. All other authors declare no conflicts of interest.

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