Buprenorphine and carbamazepine as a treatment for detoxification of opiate addicts with multiple drug misuse: a pilot study

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Abstract
The growing tendency of opioid addicts to misuse multiple other drugs leads to the investigation of new pharmacostrategies to prevent patients from suffering life-threatening complications and minimize the withdrawal symptoms. The short-term efficacy of a 10-day low-dose buprenorphine/19-day carbamazepine regime (n = 15) to a 14-day oxazepam/19-day carbamazepine regime (n = 12) in an open-labelled 21-day inpatient detoxification treatment was compared. Twenty-seven men and women dependent on opioids and misusing other drugs admitted to a detoxification unit were included in this protocol. Eighteen of 27 patients (67%) completed the study. Four non-completers (27%) received buprenorphine/carbamazepine (four of 15) and five non-completers (42%) were treated with oxazepam/carbamzepine (five of 12), but the difference in the dropout rate between the two treatment strategies was not significant.The buprenorphine/carbamazepine regime provided significantly more effective relief of withdrawal symptoms during the first week of treatment. No severe side effects occurred during treatment in both groups. The present study supports the hypothesis that buprenorphine/carbamazepine is more effective than oxazepam/carbamazepine in rapid opioid detoxification in patients with additional multiple drug misuse and both regimens were safe with no unexpected side effects.