Efficacy of Low-Dose Oral Liquid Morphine for Elderly Patients with Chronic Non-Cancer Pain: Retrospective Chart Review
Why this work is in the frame
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Bibliographic record
Abstract
INTRODUCTION: The use of medications among older persons can often be challenging as physiological changes may affect metabolism and cognitive abilities. Several studies show that the elderly with chronic pain are seriously undertreated or inappropriately treated, particularly with respect to opioids. OBJECTIVE: To determine whether very low doses of oral liquid morphine (LM) in patients over 65 years of age with chronic non-cancer pain provides meaningful pain improvement. METHODS: A retrospective chart review was conducted for ten carefully selected older patients seen at a tertiary care pain clinic in Toronto Ontario (2009-2011) with serious biomedical painful conditions and intolerance to other opioid analgesics. Data collected included demographics, LM dosing, diagnosis and average Numeric Rating Scale (NRS) pain ratings pre- and post-administration of LM. RESULTS: Of the ten eligible patients, the female/male ratio was 4:1, mean age 75.5 years and mean pain duration 7.9 years. The initial dose of LM for all patients was 1-3 mg three times/day and the maintenance dose ranged from 5 to 30 mg/day. Overall, pain ratings dropped from 6.35 to 2.95 (3.4 point drop on the NRS score) with a mean follow-up of 14 months (range 10-21). CONCLUSION: The case series showed that carefully selected elderly patients with biomedical pathology can benefit from very low doses of LM. Future larger and well-designed studies need to focus on the use of LM for elderly patients.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it