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From the Columbia University Medical Center (Drs. Frucht, Greene, and Louis), New York, Jazz Pharmaceuticals (Dr. Houghton), Palo Alto, CA, and University of California Los Angeles Medical Center (Dr. Bordelon), Los Angeles.
Address correspondence and reprint requests to Dr Frucht, 710 W. 168 St., New York, NY 10032; e-mail: sf216{at}columbia.edu
The authors performed an open-label, rater-blinded, add-on study of sodium oxybate in 20 patients with ethanol-responsive myoclonus or essential tremor. Blinded ratings of videotaped examinations showed improvements in myoclonus at rest, stimulus-sensitive myoclonus, action myoclonus, functional performance, and postural and kinetic tremor. Tolerability was acceptable, and more than half of the patients chose to continue treatment after the trial. Double-blind placebo-controlled studies in these disorders are warranted.
This article was previously published in electronic format on November 2, 2005, as an Expedited E-Pub at www.neurology.org.
Additional material related to this article can be found on the Neurology Web site. Go to www.neurology.org and scroll down the Table of Contents for the December 27 issue to find the title link for this article.
Supported by RO1 NS042859 (E.D.L.) and Norman and Barbara Seiden (S.J.F.; Young Investigator Award).
Disclosure: Dr. Frucht has received consulting fees from Orphan Medical (now Jazz Pharmaceuticals) in amounts under $10,000. Dr. Houghton is an employee of Jazz Pharmaceuticals, the manufacturer of sodium oxybate. This study was not sponsored by Orphan Medical, and the company had no role in the design, implementation, or analysis of the data. Orphan Medical did provide drug without charge.
Received June 27, 2005. Accepted in final form September 22, 2005.
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