Am J Psychiatry 1992; 149:391-393
Copyright © 1992 by American Psychiatric Association
Vitamin E in the treatment of tardive dyskinesia: a double-blind placebo-controlled study
CL Shriqui, J Bradwejn, L Annable and BD Jones
Centre de recherche Universite Laval Robert-Giffard, Department of Psychiatry, Laval University, Beauport, Quebec, Canada.
The authors compared vitamin E with placebo in a double-blind randomized
crossover study of 27 patients with tardive dyskinesia. Each treatment
period lasted for 6 weeks. Vitamin E showed no differences from placebo in
the treatment of tardive dyskinesia.