OPEN MINDS The Behavioral Health & Social Service Industry Analyst Industry News Hydergine, the only approved medication, in the United States for the treatment of Alzheimer’s disease may not be effective, according to a study that was published in the August 16, 1990 issue of the New England Journal of Medicine and reviewed in the September 21, 1990 issue of Psychiatric News. The study was conducted by a team of researchers led by psychiatrist Troy L. Thompson II, M.D. of Jefferson Medical College in Philadelphia . . .