Overview Assessment of Perampanel (E2007) on Synaptic Dopamine in Mild-moderate PD Patients: A Pilot Study With [^123I]-IBZM SPECT Status: Terminated Trial end date: 2008-12-01 Target enrollment: Participant gender: Summary This is a two-arm, double-blind, placebo-controlled study. Phase: Phase 2 Details Lead Sponsor: Eisai Inc.Treatments: Dopamine