The Treatment of Huntingtonʼs Chorea With Trifluoperazine (Stelazine)1,2

3 Department of Neurology, University of California School of Medicine, San Francisco, California. Present address: USAF Hospital, Box 10319, Maxwell Air Force Base, Alabama. 1 This study was supported in part by U. S. Public Health Service Training Grant 2B-5101 from the National Institute of Neurological Diseases and Blindness, U. S. Public Health Service. 2 Stelazine is the trade name of Smith, Kline & French Laboratories, Philadelphia, Pennsylvania, for Trifluoperazine (10-[3-(1-methyl-4-piperazinyl)-propyl]-2-trifluoromethylphenothiazine dihydrochloride). A portion of the trifluoperazine used in this study was supplied by Smith, Kline & French Laboratories.