期刊
JOURNAL OF PAIN AND SYMPTOM MANAGEMENT
卷 31, 期 3, 页码 242-247出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jpainsymman.2006.01.001
关键词
WHO method; cancer pain; opioids; morphine
Cancer pain can be managed in most patients through the use of the analgesic ladder proposed by the World Health Organization. Recent studies have proposed to skip the second rung of the ladder by using a so-called strong opioid for moderate pain. However, usual closes of strong opioids commonly prescribed,for the third rung of the analgesic ladder may pose several problems in terns of tolerability in opioid-naive patients. The aim of this multicenter study was to evaluate the efficacy and tolerability of very low doses of morphine in advanced cancer patients no longer responsive to nonopioid analgesics. A sample of 110 consecutive opioid-naive patients with, moderate-to-severe pain were given, oral morphine at a starling dose of 15 mg/day (10 mg in those older than 70 years). Doses were then titrated, according to the clinical, situation. Pain intensity, morphine doses, symptom intensity, quality of life, and the requirement, for dose escalation were monitored for a period of 4 weeks. The treatment was effective and, well tolerated by most patients, who were able to maintain relatively low doses for the subsequent weeps (mean close 45 mg at Week 4). Only 12 patients dropped out due. to poor response or other reasons. The use of very low doses of morphine proved to be a reliable method in titrating opioid-naive advanced. cancer patients who were also able to maintain their dose, in a 4-week period, below the dose level commonly used when prescribing strong opioids.
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