Applied Evidence

A patient-centered approach to tapering opioids

J Fam Pract. 2019 December;68(10):548-556

References

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Why we taper opioid analgesics

Reasons for an opioid taper include concern that the patient has, or will develop, an OUD; will experience accidental or intentional overdose; might be diverting opioids; is not benefiting from opioid therapy for pain; or is experiencing severe adverse effects. A patient who has nociceptive pain and might have opioid-induced hyperalgesia will require a much different opioid taper plan than a patient with untreated PTSD or a patient with severe OUD.

Misunderstanding can lead to inappropriate tapering

We often encounter primary care providers who believe that a large percentage of patients on chronic opioid therapy inevitably develop OUD. This is a common reason for initiating opioid taper. Most patients on a chronic opioid do become physically dependent, but only a small percentage of patients develop psychological dependence (ie, addiction or OUD).²⁹

Physical dependence is “a state of adaptation that is manifested by a drug class–specific withdrawal syndrome that can be produced by abrupt cessation, rapid dose reduction, decreasing blood level of the drug, and/or administration of an antagonist.”³⁰ Symptoms of opioid withdrawal include muscle aches; abdominal cramping; increased lacrimation, rhinorrhea, and perspiration; diarrhea; agitation and anxiety; insomnia; and piloerection. Opioid withdrawal symptoms are caused by physical dependence, not by addiction. They can be mitigated by tapering slowly and instituting adjuvant medications, such as clonidine, to attenuate symptoms.

Psychological dependence, or addiction (that is, OUD, as described in the Diagnostic and Statistical Manual of Mental Disorders 5th edition²⁷), comprises primarily 3 behavioral criteria:

Loss of control of the medication, with compulsive use
Continued use despite adverse consequences of using opioids, such as arrest for driving under the influence and deterioration of social, family, or work performance
Obsession or preoccupation with obtaining and using the substance. In properly selected chronic opioid therapy patients, there is evidence that new-onset OUD is not as common as has been thought. A recent study of the risk for opioid addiction after use of an opioid for ≥ 90 days for chronic noncancer pain found that the absolute rate of de novo OUD among patients treated for 90 days was 0.72%.²⁹ A systematic review by Fishbain and colleagues of 24 studies of opioid-exposed patients found a risk of 3.27% overall—0.19% for patients who did not have a history of abuse or addiction.³¹ As Director of the National Institute on Drug Abuse Norma Volkow, MD, wrote in 2016: “Addiction occurs in only a small percentage of people who are exposed to opioids—even among those with preexisting vulnerabilities.”³²

Assessment should focus on why the patient is taking an opioid

A strong case can be made that less opioid is better for many of the people for whom these medications are prescribed for chronic noncancer pain. However, a one-size-fits-all dosage reduction and addiction-focused approach to opioid tapering has not worked: The assessment and treatment paradigm must change, in our view.

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