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Article
November 1982

Clonidine and NaltrexoneA Safe, Effective, and Rapid Treatment of Abrupt Withdrawal From Methadone Therapy

Author Affiliations

From the Connecticut Mental Health Center, Yale University School of Medicine, New Haven, Conn.

Arch Gen Psychiatry. 1982;39(11):1327-1332. doi:10.1001/archpsyc.1982.04290110077013
Abstract

• Clonidine hydrochloride and naltrexone hydrochloride, given in combination, were found to provide a safe, effective, and extremely rapid treatment of abrupt withdrawal from methadone hydrochloride therapy. Under controlled inpatient conditions established to assess dosage guidelines and to examine specific signs and symptoms of withdrawal, ten (91%) of 11 patients were able to withdraw completely from methadone therapy by the end of a six-day period. Six days of clonidine hydrochloride treatment, with a peak mean dose of 2.9 mg/day on treatment day 2, attenuated the withdrawalinducing effects of naltrexone. Naltrexone hydrochloride was gradually increased from an initial 1-mg dose on treatment day 2 to a 50-mg maintenance dose on treatment day 5 without an associated increase in withdrawal symptoms. Clonidine significantly decreased BP without producing clinical problems. The withdrawal symptoms of anxiety, restlessness, and muscular aching were most resistant to treatment, but at discharge most patients were completely asymptomatic.

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