Forecasting Models for Initial Onset of Opioid Use Disorder or Overdose in the Elderly Population
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By
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Chien-Wei Chiang
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Guy Brock
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Siegfried Schmidt
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Roger B. Fillingim
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Stephan Schmidt
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Yu-Jung Jenny Wei
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July 16, 2026
Clinical Scorecard: Forecasting Models for Initial Onset of Opioid Use Disorder or Overdose in the Elderly Population
At a Glance
| Category | Detail |
| Condition | Opioid Use Disorder (OUD) and Opioid Overdose (OD) |
| Key Mechanisms | Misuse of prescription opioids is the primary pathway leading to OUD or OD among older adults. |
| Target Population | Older adults aged 65 years or older with chronic pain and prescribed opioid therapy. |
| Care Setting | Prognostic study using longitudinal cohort data linked with Medicare claims. |
Key Highlights
- Age-adjusted rate of deaths involving synthetic opioids increased 14-fold from 2000 to 2020 among older adults.
- High-risk opioid use occurs in less than 5% of older adults before OUD or OD onset.
- Current prediction models primarily developed for younger adults may not apply to older individuals.
- Patient-reported factors such as pain intensity and depressive symptoms are potential predictors of OUD or OD.
- The study utilized survival analyses to predict time to first OUD or OD.
Guideline-Based Recommendations
Diagnosis
- Use a conservative algorithm to define OUD based on inpatient and outpatient encounter criteria.
Management
- Monitor prescription opioid use and assess for factors such as uncontrolled pain.
Monitoring & Follow-up
- Follow up on patients with chronic pain receiving opioid prescriptions for signs of OUD or OD.
Risks
- Consider the unique risk factors for OUD or OD in older adults, distinct from younger populations.
Patient & Prescribing Data
Older adults aged 65 years or older with chronic pain.
Less than 5% of older adults exhibit high-risk opioid use prior to OUD or OD onset.
Clinical Best Practices
- Incorporate patient-reported measures in assessing risk for OUD or OD.
- Utilize longitudinal data to account for time-varying predictors in older adults.
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