Lack of efficacy of dextromethorphan in managing alcohol withdrawal: a preliminary report of a randomized, double-blind, placebo-controlled trial

Journal of Clinical Psychopharmacology
Ming-Chyi HuangShih-Ku Lin

Abstract

Alcohol withdrawal syndrome is associated with increased central N-methyl-D-aspartate (NMDA) glutamate transmission. Medications that reduce glutamate release or block NMDA overactivation have shown efficacy for treating alcohol withdrawal syndrome. Dextromethorphan (DXM), a widely used antitussive drug, is a low-affinity, noncompetitive NMDA antagonist with potential neuroprotective properties. This study, using a randomized, double-blind, placebo-controlled study design, examined the benefit of DXM in the management of acute alcohol withdrawal. Alcohol-dependent patients admitted for detoxification treatment and experiencing moderate alcohol withdrawal, as measured by a score greater than 10 on the revised Clinical Institute Withdrawal Assessment for Alcohol (CIWA-Ar), were randomly assigned to receive either DXM 360 mg/d or an identical placebo for 7 days in a double-blind manner. All subjects received a concurrent dose of lorazepam 2 mg along with the initial administration of DXM or placebo and were given additional lorazepam (1 mg) as a rescue medication according to the symptom-triggered detoxification protocol. Outcome measures consisted of the mean total dose of lorazepam received, the sequential scores on the CIWA-Ar,...Continue Reading

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Citations

Feb 24, 2018·Journal of Clinical Psychopharmacology
Dec 3, 2020·Alcohol and Alcoholism : International Journal of the Medical Council on Alcoholism·Abhishek GhoshSauvik Das

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