Opioid Rotation in the Management of Refractory Cancer Pain

Switching from morphine to oral methadone in treating cancer pain: what is the equianalgesic dose ratio?

1998 • 348 citations

Opioid rotation in patients with cancer pain: A retrospective comparison of dose ratios between methadone, hydromorphone, and morphine

1996 • 322 citations

Individual variability in the response to different opioids: report of five cases

1992 • 245 citations

Accuracy in Equianalgesic Dosing

2001 • 216 citations

Opioid pharmacotherapy in the management of cancer pain. A survey of strategies used by pain physicians for the selection of analgesic drugs and routes of administration

1995 • 181 citations

Rapid Switching From Morphine to Methadone in Cancer Patients With Poor Response to Morphine

1999 • 142 citations

Dose ratio between morphine and hydromorphone in patients with cancer pain: a retrospective study

1997 • 139 citations

Opioid Poorly-Responsive Cancer Pain. Part 1

2001 • 128 citations

Dextromethorphan attenuates and reverses analgesic tolerance to morphine

1994 • 121 citations

Opioid Poorly-Responsive Cancer Pain. Part 3. Clinical Strategies to Improve Opioid Responsiveness

2001 • 95 citations

Methadone

1999 • 71 citations

Opioid switch to oral methadone in cancer pain

2000 • 53 citations

Systemic Opioid Therapy for Chronic Cancer Pain

1998 • 29 citations

The physical examination in cancer pain assessment

1997 • 13 citations