This trial was a multi-center, randomized, double-blind, two-stage clinical trial in patients with generalized anxiety disorder (TCM differentiated as liver Qi stagnation and spleen deficiency syndrome), consisting of a exploratory study(stage 1) and a confirmatory study(stage 2).
In stage 1, 120 subjects were enrolled and randomly assigned to high-dose group, low-dose group and placebo group at a ratio of 1:1:1.
In stage 2, 495 subjects were randomly assigned to the experimental and placebo groups at a ratio of 1:1.
