Overview Treatment of Depression in Parkinson's Disease Status: Unknown status Trial end date: 2011-12-01 Target enrollment: Participant gender: Summary The goal of this study is to evaluate the efficacy of Traditional Chinese Medicine-"Xiaoyao Pill" (Herb extracts)on depression, compared to placebo and "Bupleurum+Ginkgo" in patients with Parkinson's disease. Phase: Phase 2 Details Lead Sponsor: Xuanwu Hospital, Beijing