• placebo
  • Forty outpatients (20 men and 20 women) aged 60 to 80 years (mean age 69.9 ±5.5 years) with a diagnosis of organic brain psychosyndrome took part in a 3-month randomised, double-blind study aimed at comparing the effectiveness and safety of dihydroergocristine 20mg once daily and placebo. (springer.com)