Methadone Hydrochloride as First-Line Therapy in Treating Patients With Chronic Neuropathic Cancer Pain

"Level 1: 1 mg q8h, breakthrough 1 mg q2h\* (maximum 6 BTA\*\* per day)~Level 2: 2 mg q8h, breakthrough 1 mg q2h\* (maximum 6 BTA per day)~Level 3: 3mg q8h, breakthrough 1 mg q2h\* (maximum 6 BTA per day)~OR~Level 1: 2 mg q8h, breakthrough 1 mg q2h\* (maximum 6 BTA per day)~Level 2: 3 mg q8h, breakthrough 1 mg q2h\* (maximum 6 BTA per day)~Level 3: 4 mg q8h, breakthrough 1 mg q2h\* (maximum 6 BTA per day)"

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