78 studies were found. Here are studies 1 to 50.

1.		No longer recruiting	Safety and efficacy study of CEP-1347 in the treatment of Parkinson's disease Condition: Parkinson Disease
2.		Recruiting	Cell Studies of Parkinson's Disease Condition: Parkinson Disease
3.		Completed	Effect of Stimulus Rate on Cognitive and Motor Activity in Young Subjects, Elderly Subjects, and Patients with Parkinson's Disease Condition: Parkinson Disease
4.		No longer recruiting	Donepezil to Treat Dementia in Parkinson's Disease Condition: Parkinson Disease
5.		Completed	The Role of Dopamine in Motor Learning in Healthy Subjects and Patients with Parkinson's Disease Conditions: Parkinson Disease; Healthy
6.		Recruiting	Treatment of Depression in Parkinson’s Disease Trial Conditions: Parkinson Disease; Depression
7.		No longer recruiting	NINDS Parkinson's Disease Neuroprotection Trial of CoQ10 and GPI 1485 Condition: Parkinson Disease
8.		Recruiting	Levetiracetam Treatment of L-dopa Induced Dyskinesias Conditions: Dyskinesias; Parkinson Disease
9.		Recruiting	Parkinson’s Research: The Organized Genetics Initiative (PROGENI) Condition: Parkinson Disease
10.		Not yet recruiting	Study of Antidepressants in Parkinson’s Disease (SAD-PD) Conditions: Parkinson Disease; Depression
11.		Recruiting	Biological Markers in Parkinson's Disease Condition: Parkinson Disease
12.		Recruiting	Lisuride Patch to Treat Parkinson's Disease Condition: Parkinson Disease
13.		Recruiting	How the loss of Dopamine and Dopamine-Restoring Medicines Affect Movement Performance Condition: Parkinson Disease
14.		Completed	Phase II Double Blind Controlled Trial of Nigral Grafting in Patients With Parkinson's Disease Condition: Parkinson Disease
15.		No longer recruiting	Randomized Study of the Effects of Glucose on Cognition in Healthy Young and Elderly People and Parkinson's Disease Patients Condition: Parkinson Disease
16.		Completed	Phase II Study of Pallidotomy for Parkinson Disease Condition: Parkinson Disease
17.		Completed	Study of Axial Mobility Exercises in Parkinson Disease Condition: Parkinson Disease
18.		No longer recruiting	Study of Clozapine for the Treatment of Psychosis in Patients with Idiopathic Parkinson's Disease Condition: Parkinson Disease
19.		No longer recruiting	Randomized Study of Fetal Neurotransplantation for the Treatment of Parkinson's Disease Condition: Parkinson Disease
20.		Completed	Transcranial Magnetic Stimulation in Parkinson's Disease Conditions: Parkinson Disease; Healthy
21.		Recruiting	JP-1730 to Treat Parkinson's Disease Condition: Parkinson Disease
22.		Recruiting	Molecular Epidemiology of Parkinson's Disease Condition: Parkinson Disease
23.		Recruiting	Single Photon Emission Computed Tomography to Study Receptors in Parkinson's Disease Condition: Parkinson Disease
24.		Recruiting	Investigating the Safety of srTMS in the Treatment of Parkinson's Disease Condition: Parkinson Disease
25.		Recruiting	Studying Automatic Movements in Patients with Parkinson's Disease Condition: Parkinson Disease
26.		Recruiting	Transcranial Electrical Polarization to Treat Symptoms of Parkinson's Disease Condition: Parkinson Disease
27.		Recruiting	Genetic Analysis of Parkinson's Disease Condition: Parkinson's Disease
28.		No longer recruiting	Gene Analysis of Parkinson's Disease Condition: Parkinson's Disease
29.		Completed	Transcranial Magnetic Stimulation for the Treatment of Parkinson's Disease Conditions: Movement Disorders; Parkinson Disease
30.		Completed	Study of LY300164 for the Treatment of Parkinson's Disease Conditions: Dyskinesias; Parkinson Disease
31.		Recruiting	PET Scanning in Parkinson's Disease Condition: Parkinson Disease
32.		Recruiting	GM1 Ganglioside Effects on Parkinson’s Disease Condition: Parkinson Disease
33.		No longer recruiting	Embryonic Dopamine Cell Implants for Parkinson’s Disease: A Double-Blind Study Condition: Parkinson Disease
34.		Recruiting	Spheramine® in advanced Parkinson’s disease (The STEPS Trial) Condition: Parkinson Disease
35.		No longer recruiting	Effects of Talampanel on Patients with Advanced Parkinson's Disease Conditions: Dyskinesias; Parkinson Disease; Movement Disorders
36.		Recruiting	Magnetic Resonance Imaging (MRI) of Neuropsychiatric Patients and Healthy Volunteers Conditions: Healthy; Mental Disorder; Parkinson's Disease; Schizophrenia
37.		Completed	Dextroethorphan for the Treatment of Parkinson's Disease and Similar Conditions of the Nervous System Conditions: Neurodegenerative Disease; Parkinson's Disease
38.		Completed	Effects of Brain Stimulation on Learning and Reasoning Conditions: Cerebellar Disease; Dementia; Healthy; Parkinson's Disease
39.		Recruiting	Magnetic Resonance Imaging (MRI) of Neuropsychiatric Patients and Healthy Volunteers Conditions: Bipolar Disorder; Healthy; Mood Disorder; Parkinson's Disease; Schizophrenia
40.		Completed	Parkinson's disease treatment with coenzyme Q10 Condition: Parkinson's Disease
41.		Completed	Effects of Monoamine Reuptake Inhibitor NS2330 in Parkinson's Disease Condition: Parkinson's Disease
42.		Completed	EMD 128130 for the Treatment of Parkinson's Disease Condition: Parkinson's Disease
43.		No longer recruiting	Riluzole to Treat Parkinson's Disease Condition: Parkinson's Disease
44.		Recruiting	Farming and Movement Evaluation Study (FAME) Conditions: Parkinson's Disease; Movement Disorders
45.		No longer recruiting	Catechol Thioethers in Parkinson's Disease Condition: Parkinson's Disease
46.		Recruiting	Parkinson's Diseases Susceptibility Genes and Pesticides Condition: Parkinson's Disease
47.		Recruiting	Deep Brain Stimulation for Parkinson’s Disease Trial Conditions: Parkinson's Disease; Parkinsonism
48.		Recruiting	Deep Brain Stimulation (DBS) vs. Best Medical Therapy (BMT) Trial Condition: Parkinson's Disease
49.		No longer recruiting	NINDS Parkinson's Disease Neuroprotection Trial Condition: Parkinson's Disease
50.		Recruiting	Aripiprazole in Patients with Psychosis Associated with Parkinson's Disease Conditions: Parkinson's Disease; Psychoses