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Naltrexone and CyclazocineA Controlled Treatment Study
Leonard S. Brahen, PhD, MD;
Thomas Capone, PhD;
Victoria Wiechert, MPS, RN;
Dawn Desiderio
Arch Gen Psychiatry. 1977;34(10):1181-1184.
Abstract
The induction side effects of cyclazocine and naltrexone were compared in double-blind placebo-controlled studies involving 40 patients (20 for each drug). These studies were carried out with a twice-a-day dosage regimen. Naltrexone produced fewer side effects than cyclazocine. Naltrexone side effects fell to levels indistinguishable from those of placebo in the "induction after placebo" phase. In contrast, cyclazocine "induction after placebo" produced an even higher level of side effects than found in its induction. In no case was naltrexone discontinued because of side effects. On the other hand, three of 20 cyclazocine-treated patients discontinued the drug because of distressing side effects. No toxicity was noted with either agent.
The controlled data reported supports the clinical impression that naltrexone produces fewer induction side effects than cyclazocine.
Author Affiliations
From the Department of Psychiatry, State University of New York School of Medicine at Stony Brook (Dr Brahen); the Department of Drug and Alcohol Addiction, County of Nassau, New York (Drs Brahen and Capone and Ms Wiechert); and the State University of New York School of Medicine at Buffalo (Ms Desiderio).
Footnotes
Accepted for publication Aug 23, 1976.
Reprint requests to Narcotic Antagonist Work-Release Program, Nassau County Medical Center, Building 0, East Meadow, NY 11554 (Dr Brahen).
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