Use of opioids and cocaine during maintenance treatment
| Outcome at 24 weeks | Methadone 65 mg | Buprenorphine 12 mg | Methadone 20 mg | Buprenorphine 4 mg |
|---|---|---|---|---|
| Mean rate of opioid positive tests | 45% | 58% | 72% | 77% |
| ≥3 weeks opioid abstinence | 61% | 41% | 23% | 14% |
| ≥3 weeks cocaine abstinence | 50% | 35% | 40% | 21% |









