Overview The Effect of IV Amantadine on Freezing of Gait (FOG) Resistant to Dopaminergic Therapy Status: Unknown status Trial end date: 2011-12-01 Target enrollment: Participant gender: Summary Tp determine the effect of IV amantadine on dopaminergic-drug-resistant freezing of gait(FOG)in patients with Parkinson's disease Phase: Phase 4 Details Lead Sponsor: Seoul National University HospitalTreatments: AmantadineDopamineDopamine AgentsDopamine Agonists