McQuay H: Opioids in pain management. Lancet. 1999; 353: 2229-2232.
2.
Mercandante S: Costs are a further barrier to cancer pain management. Journal of Pain and Symptom Management. 1999; 18(1): 3-4.
3.
Salzman RT, Roberts MS, Wild J, et al.: Can a controlled-release oral dose form of oxycodone be used as readily as an immediate-release form for the purpose of titrating to stable pain control?Journal of Pain and Symptom Management. 1999; 18(4): 271-279.
4.
Dickerson ED: 20 essential drugs in palliative care. European Journal of Palliative Care. 1999; 6(4): 130-135.
5.
Kaye P: A to Z of Hospice and Palliative Medicine. Northamptom, UK: EPL Publications, 1994. 13.
6.
Twycross R: Symptom Management in Advanced Cancer. 2nd Ed.Oxford, UK: Radcliffe Medical Press, 1997: 36.
7.
Ventafridda V, Ripamonti C, Bianchi M, et al.: A randomized study on oral administration of morphine and methadone in the treatment of cancer pain. Journal of Pain and Symptom Management. 1986; 1: 203-207.
8.
Portenoy RK: 3 Step Analgesic Ladder for Management of Cancer Pain. New York: MacMahon Group, 1995: 13.
9.
Stein C, Hassan AH, Lehrberger K, et al.: Local analgesic effect of endogenous opioid peptides. Lancet. 1993; 342: 321-324.
10.
Woolf CJ, Thompson SW: The induction and maintenance of central sensitization is dependent on N-methyl-D-asperate acid receptor activation: Implications for the treatment of post-injury hypersensitivity states. Pain. 1991; 44: 293-299.
11.
Portenoy RK: Pain in Oncologic and AIDS Patients. Newtown, PA: Handbooks in Health Care, 1997: 71.
Robinson AE, Williams FM: The distribution of methadone in man. Journal of Pharmacy and Pharmacology. 1971; 23: 353-358.
15.
Eap CB, Cuendet C, Baumann P: Binding of D-methadone, L-methadone and DL-methadone to proteins in plasma of healthy volunteers: Role of variants of X1-acid glycoprotein. Clinical Pharmacology and Therapeutics. 1990; 47: 338-346.
16.
Sawe J: High-dose morphine and methadone in cancer patients: Clinical pharmacokinetic consideration of oral treatment. Clinical Pharmacology. 1986; 11: 87-106.
17.
Nilsson MI, Meresaar U, Anggard E: Clinical pharmacokinetics of methadone. Acta Anaesthesiologica Scandinavica. 1982; 74 (suppl): 66-69.
18.
Kreek MJ, Schecter AJ, Gutjahr CL, Hecht M: Methadone use in patients with chronic renal disease. Drug Alcohol Dependence. 1980; 5: 197-205.
19.
Novick DM, Kreek MJ, Fanizza AM, et al.: Methadone disposition in patients with chronic liver disease. Clinical Pharmacology and Therapeutics. 1981; 30: 353-362.
20.
Beaver WT, Wallenstein SL, Houde RW, Rogers A: A clinical comparison of the analgesic effects of methadone and morphine administered intramuscularly and of orally and parenterally administered methadone. Clinical Pharmacology and Therapeutics. 1967; 8: 415-426.
Fainsinger R, Schoeller T, Bruera E: Methadone in the management of cancer pain: A review. Pain. 1993; 52: 137-147.
23.
Inturrisi CE, Verebely K: The levels of methadone in the plasma in methadone maintenance. Clinical Pharmacology and Therapeutics. 1972; 13: 633-637.
24.
Twycross R: op. cit.
25.
Cadd EE, Shank RP, Schupsky JJ, Raffa RB: Serotonin and norepinephrine uptake inhibiting activity of centrally acting analgesics: Structural determinants and role in antinoception. Journal of Pharmacology and Experimental Therapeutics. 1995; 274(3): 1263-1270.
26.
Dray A: Delta opioid receptors in pain: Function and therapy. Abstracts, 9th World Congress on Pain. Seattle: IASP Press, 1999: 113.
27.
Makin MK, O’Donnell V, Skinner JM, Ellershaw JE: Methadone in the management of cancer related neuropathic pain: Report of five cases. Pain Clinic. 1998; 4: 275-279.
28.
Eide PK: Clinical trails of NMDA receptor antagonists as analgesics. Abstracts, 9th World Congress on Pain. Seattle: IASP Press, 1999: 3.
29.
Yaster M, Deshpande JK, Maxwell LG: The pharmacologic management of pain in children. Comprehensive Therapy. 1989; 15(10): 14-16.
30.
O’Rourke MA, Shaiabi A, Webb S: Methadone for treatment of cancer pain. Journal of the American Medical Association. 1996; 275(7): 519.
31.
Cherny NI, Portenoy RK: The management of cancer pain. Cancer Journal for Clinicians. 1994; 44: 262-303.
Ripamonti C, Groff L, Brunelli C, et al.: Switching from morphine to oral methadone in treating cancer pain: What is the equal-analgesic dose ratio?Journal of Clinical Oncology. 1998; 16(10): 3216-3221.
34.
Payne R: Pharmacologic management of pain. In Berger A, Portenoy RK, Weissman DE (eds.): Principles and Practice of Supportive Oncology. Philadelphia: Lippincott-Raven, 1998: 61-75.
35.
Ripamonti C, Zecca E, Bruera E: An update of the clinical use of methadone for cancer pain. Pain. 1997; 70: 109-115.
36.
Mercandante S, Sapio M, Serretta R, Caligara M: Patient-controlled analgesia with oral methadone in cancer pain: Preliminary report. Annals of Oncology. 1996; 7: 613-617.
37.
DeConno F, Graff L, Brunelli C, et al.: Clinical experience with oral methadone administration in the treatment of pain in 196 advanced cancer patients. Journal of Clinical Oncology. 1996; 14(10): 2836-2842.
38.
Shir Y, Shenkman Z, Shavelson V, et al.Oral methadone for the treatment of severe pain in hospitalized children: A report of five cases. Clinical Journal of Pain. 1998; 14(4): 350-353.
39.
Joint Formulary Committee: British National Formulary. London: September 1996.
40.
Gannon C: The use of methadone in the care of the dying. European Journal of Palliative Care. 1997; 4: 152-158.
41.
Taube AW: The Use of Methadone in Cancer Pain Management: The Edmonton Experience. Edmonton, AB: Division of Palliative Medicine, Department of Oncology, University of Alberta, 1998.
42.
Mancini I, Hanson J, Bruera E: Opioid type and other clinical predictors of laxative dose in advanced cancer patients: A retrospective study. Program Talk Summaries and Abstracts, 11th MASCC International Symposium, Supportive Care in Cancer. Nice, France: February 18-20, 1999: P-75.
43.
Twycross R, Wilcock A, Thorp S: Palliative Care Formulary. Oxford, UK: Radcliffe Medical Press, 1998: 108.
44.
Foley K: Methadone in cancer pain management: Individualize dose and titrate to effect. Journal of Clinical Oncology. 1998; 16(10): 3213-3215.
45.
Makin MK, O’Donnell V, Skinner JM, Ellershaw JE: Methadone in the management of cancer related neuropathic pain: Report of five cases. The Pain Clinic. 1998; 10(4): 275-279.
46.
Gannon C: op. cit.
47.
Gardner-Nix JS: Oral methadone for managing chronic nonmalignant pain. Journal of Pain and Symptom Management. 1996; 11(5): 321-328.
48.
Lipman AG: Clinically relevant differences among the opioid analgesics. American Journal of Hospital Pharmacy. 1990; 47(8): 7-13.
49.
Pappagallo M, Heinberg LJ: Ethical issues in the management of chronic nonmalignant pain. Seminars in Neurology. 1997; 17(3): 203-211.
50.
World Health Organization. Cancer Pain Relief. Geneva: World Health Organization, 1990.
51.
Ahmedzai S: New approaches to pain control in patients with cancer. European Journal of Cancer. 1997; 33(6): 8-14.
52.
Crews JC, Sweeny NJ, Denson DD: Clinical efficacy of methadone in patients refractory to other α-opioid receptor agonist analgesics for management of terminal cancer pain. Cancer. 1993; 72: 2266-2272.
53.
Mercandante S, Casuccio A, Agnello A, et al.: Morphine versus methadone in the pain treatment of advanced-cancer patients followed up at home. Journal of Clinical Oncology. 1998; 16(11): 3656-3661.