The efficacy and tolerability of a 6-week course of Hypericum extract
HYP 811 were investigated in a postmarketing surveillance study of 758
outpatients suffering from psychovegetative disorders. The investigat
ions included a standardized list of typical somatic symptoms and glob
al evaluations of the drug's efficacy and tolerability. By study end,
83.1% of patients had experienced a reduction in symptom severity, and
the frequency of symptoms had improved by an average of 37.3%. After
3 weeks of treatment, the dosage could be reduced to one capsule per d
ay in 35.8% of patients.