Adequacy assessment of oxycodone/paracetamol (acetaminophen) in multimodal chronic pain : a prospective observational study
Abstract
BACKGROUND: Multimodal pain is comprised of nociceptive/inflammatory and neuropathic components. Pharmacological pain therapies from different classes provide pain relief using different mechanistic actions; often a combination of such therapies provides more effective pain relief than monotherapy. To assess whether pain management is adequate requires a comprehensive pain scoring system.
OBJECTIVE: To evaluate the adequacy of a low-dose combination of oxycodone and paracetamol (acetaminophen) in patients with multimodal, chronic, non-malignant pain using the Pain Management Index (PMI).
METHODS: During this prospective, observational study, consecutive patients were classified according to the presence of prevalent osteoarticular pain (group A, n = 78) or prevalent neuropathic pain (group B, n = 72). Existing pain-relief medications were discontinued and both groups received oxycodone 5 mg and paracetamol 325 mg up to 8 hourly for a planned duration of >/= 6 weeks. Patients in group B who were receiving gabapentin continued this treatment up to a maximum daily dosage of 2400 mg during the observation period. Pain intensity was evaluated using a visual analogue scale (VAS from 0 to 10). Functional limitation for patients in group A was evaluated using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC). The intensities of dynamic allodynia and hyperalgesia in patients in group B were evaluated by a VAS. Results from the WOMAC, dynamic allodynia, and…
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 78 participants or records.
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