Overview Study of the Neuro-protective Effect of Granulocyte-colony Stimulating Factor on Early Stage Parkinson's Disease Status: Terminated Trial end date: 2013-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the effectiveness of neuroprotection from granulocyte colony-stimulating factor on Parkinson disease Phase: Phase 2 Details Lead Sponsor: Buddhist Tzu Chi General HospitalTreatments: LenograstimNeuroprotective Agents