Journal of clinical oncology : official journal of the American Society of Clinical Oncology
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The aims of this study were to describe the analgesia, side effects, and dosage and the causes of suspension of treatment in a large sample of advanced cancer patients with pain after treatment with oral methadone from 7 to 90 days. ⋯ Oral methadone administered every 8 hours was shown to be an appropriate analgesic therapy in the treatment of advanced cancer-related pain. The worsening of the other symptoms under study can be considered linked to the progression of the disease, and in fact, only a small percentage of the patients reported methadone-related side effects that warranted suspension of treatment. We consider oral methadone to be a useful analgesic therapy, and it should be considered in clinical practice for the treatment of cancer pain.