PURPOSE: To define the dose ratio between morphine and methadone in relation to the previous morphine dose and the number of days needed to achieve the same level of analgesia in a group of patients with advanced cancer with pain who switched from…
PURPOSE: 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. PATIENTS…