In recent years a better understanding of the pharmacologic and pharmacokinetic properties of methadone, including equianalgesic ratios has led to its increased use as a second line opioid for the treatment of pain in patients with cancer. Methadone may be an important alternative for those who have side effects related to the use of other opioids because it has no known active metabolites, is well absorbed by oral and rectal routes, and also has the advantage of very low cost. However, it has a long, unpredictable half-life, which can result in accumulation and toxicity in some patients. In addition, rotation to methadone as a second line agent is more complex than with other opioids because of its increased potency in those patients who are opioid tolerant, particularly those who have been on higher doses of other opioids. Future research should address the use of methadone as a first-line agent in the management of cancer pain, its use in patients with neuropathic pain, and in those who develop rapid tolerance to other opioids. In some patients with cancer the long half-life of methadone offers the advantage of extended dosing intervals to 12 and even 24 hours, further research is also needed in this area.
The purpose of this study was to determine the helpfulness of a prompt sheet versus a general information sheet for patient communication with physicians. Sixty women with breast cancer attending their first outpatient consultation with a breast medical oncologist were randomized to receive either a prompt sheet (PS) or a general information (GI) sheet regarding breast cancer. Analysis of the results found that helpfulness of the written material was rated higher in the PS group (8.5 +/- 2) than the GI group (6.2 +/- 3.6), P = 0.005. The mean score of helpfulness in communicating with physicians was 7.9 +/- 2.4 and 5.7 +/- 3.8, respectively, P = 0.01. There were no significant differences between the groups in the average total number of questions asked by the patients or average physician or patient speaking time. We conclude that a disease-specific prompt sheet provided before medical encounters may assist in communication between patients and physicians.
Methadone did not produce superior analgesic efficiency or overall tolerability at 4 weeks compared with morphine as a first-line strong opioid for the treatment of cancer pain.
Most patients died in an acute care hospital setting and within 2 years of registration. Our data show some predictors of hospital death for cancer patients and suggest that better hospital palliative care services and integrated palliative care systems that bridge community and acute hospitals are needed.
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