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Prescription Opioids, Brain Structure, and Cognition in Older Adults With Chronic Pain

RecruitingPhase 2NCT06837857
View the official record on ClinicalTrials.gov

Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.

This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.

Brief summary (from the registry)

The purpose of this study is to determine whether exposure to prescription opioids is associated with brain structural changes on magnetic resonance imaging (MRI), with the primary outcome of white matter integrity as measured by fractional anisotropy of the corpus callosum.

Study details

Official title
Imaging, Cognition, and Opioids in Older Adults With Chronic Pain (I-COAP) Trial
Conditions
Interventions
  • Drug: Opioid
  • Drug: Opioid Placebo
Sponsor
Mayo Clinic
Start date
2025-04-16
Primary completion
2029-07-01
Sex
All
Age range
from 65 Years
Results posted
No results posted in this snapshot
Countries
United States
Total sites listed
1

Eligibility criteria

Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: * 65 years of age or older * Pain for longer than 3 months (chronic) * Moderate to severe pain nearly every day (averaged PEG score \>5) * Persistent pain despite use of \>1 analgesic (Tylenol, Ibuprofen, lidocaine patch, etc) Exclusion Criteria: * Untreated severe/uncontrolled Mental health (schizophrenia, bipolar disorder, psychosis, history of suicidality, depression or anxiety, PTSD) * Severe liver (cirrhosis) or kidney disease (ESRD on dialysis or GFR\< 30) * Cognitive impairment (Kokmen Short Test of Mental Status score \< 29) * Life expectancy \< 12 months * Contraindications to MRI * Non-English speaking * Opioid use within the past 6 months * Contraindications or previous intolerance to prescription opioids * Substance use disorder or high-risk for opioid-related adverse effects (Opioid Risk Tool ≥ 8) * Residence outside of Minnesota or Wisconsin during opioid intervention period * Another pain generator that is greater than their knee or shoulder or low back pain * Anticipated surgery for joint replacement (Knee or shoulder) sooner than 3 months.

Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT06837857