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Cholinesterase inhibitors to slow progression of visual hallucinations in Parkinson*s disease: a multi-center placebo-controlled trial (CHEVAL)

investigate whether early treatment with ChEI delays the progression of minor VH to major VH without insight or PDP. In addition, we will measure motor control, psychotic symptoms, cognitive impairment, mood disorders, adverse events and compliance…

Tryptophan depletion in Parkinson*s disease patients treated with deep brain stimulation of the subthalamic nucleus: effects on mood and motor functions.

Our objective is to assess the effect of TRP depletion on mood and behavior in PD patients treated with STN DBS. By doing, this, we hope to be able to identify risk factors for and mechanisms underlying psychiatric side effects of STN DBS.…