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Abstract
We report the clinical course over 152 weeks of 245 patients in methadone maintenance treatment: 144 high dose (HD) patients (>100 mg/d, mean 211 mg/d), and 101 control (C) patients (< 100 mg/d, mean 65 mg/d). After 152 weeks the mean methadone doses were 284.9 mg/d (range 13–1100 mg/d) and 94.0 mg/d (range 10–500 mg/d), respectively. Overall retention in treatment was 59% over the 152 weeks, with the HD group having significantly better retention (61.1% vs. 46.3%) and lower rates of positive urine toxicologies (16.0% vs. 36.6%). Mortality was statistically the same forthe HD group (2/144,1.4%) and the C group (2/101, 1.9%) over the 152-week period. We conclude that doses of methadone exceeding 100 mg/d are safe and effective in long-term maintenance treatment. We attribute the favorable outcomes we report to a model of treatment that emphasizes medication management in the treatment of opioid addiction.