| SAM-e for the Treatment of Depression in Patients With Parkinson's Disease (NCT00070941) | NYU Langone Health | 2003-07-01 |
| National Institute of Neurological Disorders and Stroke (NINDS) Parkinson's Disease Neuroprotection Trial (NCT00063193) | University of Rochester | 2003-05-01 |
| A Study of Neurophysiologic Changes in Individuals With Parkinson's Disease (NCT00117195) | Institute for Neurodegenerative Disorders | 2003-05-01 |
| Exercise for People With Parkinson's Disease (NCT01257945) | University of Colorado, Denver | 2003-04-01 |
| Safety, Tolerability, and Efficacy of Donepezil (Aricept) in Parkinson' s Disease (PD) Patients With Dementia (NCT01327859) | Eisai Inc. | 2003-03-01 |
| An Extension Study of Entacapone in Patients With Parkinson's Disease With End-of-dose Wearing-off. This Study is Not Recruiting in the United States (NCT00237263) | Novartis | 2003-02-01 |
| Safety Study of AVP-923 in the Treatment of IEED (Involuntary Emotional Expression Disorder) Also Known as Pseudobulbar Affect (Episodes of Uncontrolled Crying and/or Laughter) (NCT00056524) | Avanir Pharmaceuticals | 2003-02-01 |
| A Survey Study to See if Patients Diagnosed With Parkinson's Disease Have Higher Incidence of Melanoma (NCT00203008) | Teva Branded Pharmaceutical Products R&D, Inc. | 2003-01-01 |
| Comtess® Versus Cabaseril® as Add-on to Levodopa in the Treatment of Parkinsonian Patients Suffering From Wearing- Off. (NCT00247247) | Orion Corporation, Orion Pharma | 2002-12-01 |
| Exercise Study For People With Parkinson's Disease (NCT00387218) | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) | 2002-12-01 |
| 2 Year Study to Evaluate the Effects of GPI 1485 on [123I]b-CIT/SPECTScanning and Clinical Efficacy in Patients With PD (NCT00209508) | Eisai Inc. | 2002-11-01 |
| A Long-Term, Safety Study With a Flexible Dose Range of KW-6002 in Patients With Motor Response Complications on Levodopa/Carbidopa Therapy (NCT00955045) | Kyowa Kirin, Inc. | 2002-08-01 |
| An Open-Label Extension Trial to Assess the Safety of Long-Term Treatment of Rotigotine in Advance-Stage Parkinson's Disease (NCT00594386) | UCB Pharma | 2002-08-01 |
| Sarizotan in Parkinson Patients With L-dopa-induced Dyskinesia (NCT00314288) | EMD Serono | 2002-07-01 |
| Study to Evaluate the Safety and Tolerability of Rasagiline in Advanced Parkinson's Disease Patients (NCT00203164) | Teva Branded Pharmaceutical Products R&D, Inc. | 2002-05-01 |
| Clinical, Molecular and Metabolic Characteristics of Parkinson's Disease (PD) Patients With Parkin Mutation (NCT00169364) | Groupe Hospitalier Pitie-Salpetriere | 2002-05-01 |
| 12-Week, Double-Blind, Placebo-Controlled, Randomized Study of the Efficacy of 40 mg/Day KW-6002 in Parkinson's Disease Patients on Levodopa/Carbidopa (NCT00456586) | Kyowa Kirin, Inc. | 2002-04-01 |
| Phase I Deep Brain Stimulation (DBS) vs. Best Medical Therapy (BMT) Trial (NCT00056563) | US Department of Veterans Affairs | 2002-04-01 |
| Phase II Subthalamic Nucleus (STN) vs. Globus Pallidus (GPi) Trial (NCT01076452) | US Department of Veterans Affairs | 2002-04-01 |
| Efficacy of Voice Treatment for Parkinson's Disease (NCT00123084) | University of Colorado, Boulder | 2002-03-01 |
| 12-Week, Double-Blind, Placebo-Controlled Study of 20 and 60 mg/Day Istradefylline in Parkinson's Disease Patients on Levodopa/Carbodopa (NCT00456794) | Kyowa Kirin, Inc. | 2002-03-01 |
| Sildenafil (Viagra) for the Treatment of Dyskinesias in Parkinson's Disease (NCT02162979) | Loma Linda University | 2002-02-01 |
| The Long Term Impact of Initiating Pramipexole Versus Levodopa in Early Parkinson's Disease (CALM-PD Cohort Study) (NCT00804479) | University of Rochester | 2002-01-01 |
| A Study of Three Doses of TCH346 in Patients With Early Parkinson's Disease to Evaluate Safety and Efficacy (NCT00407212) | Novartis | 2002-01-01 |
| Rasagiline in Advanced Parkinson's Disease Patients With Motor Fluctuations Treated With Levodopa/Carbidopa Therapy. (NCT00203177) | Teva Branded Pharmaceutical Products R&D, Inc. | 2001-10-01 |
| Effect of Stimulus Rate on Cognitive and Motor Activity in Young Subjects, Elderly Subjects, and Patients With Parkinson's Disease (NCT00026598) | National Institute of Neurological Disorders and Stroke (NINDS) | 2001-10-01 |
| Study to Investigate the Tolerability, Steady-state Pharmacokinetics and Erythrocyte COMT Inhibition of BIA 3-202 (NCT02772627) | Bial - Portela C S.A. | 2001-09-01 |
| Pharmacokinetic-Pharmacodynamic Interaction Between Four Different Single Doses of BIA 3-202 and a Single Dose of Levodopa/Benserazide (100/25 mg) (NCT02763852) | Bial - Portela C S.A. | 2001-04-01 |
| Farming and Movement Evaluation Study (FAME) (NCT00042120) | National Institute of Environmental Health Sciences (NIEHS) | 2001-04-01 |
| Twins and the Risk of Parkinson's Disease: A Clinical and Imaging Study (NCT00282802) | The Parkinson's Institute | 2001-04-01 |
| Pharmacokinetic-Pharmacodynamic Interaction Between Four Different Single Doses of BIA 3-202 and a Single Dose of Levodopa/Carbidopa (100/25 mg) (NCT02763839) | Bial - Portela C S.A. | 2001-04-01 |
| Riluzole to Treat Parkinson's Disease (NCT00013624) | National Institute of Neurological Disorders and Stroke (NINDS) | 2001-03-01 |
| Catechol Thioethers in Parkinson's Disease (NCT00042692) | National Institute of Environmental Health Sciences (NIEHS) | 2001-03-01 |
| EMD 128130 for the Treatment of Parkinson's Disease (NCT00009048) | National Institute of Neurological Disorders and Stroke (NINDS) | 2001-01-01 |
| STN-Stimulation Versus Best Medical Treatment in Advanced PD (NCT00196911) | German Parkinson Study Group (GPS) | 2001-01-01 |
| KW-6002 to Treat Parkinson's Disease (NCT00006337) | National Institute of Neurological Disorders and Stroke (NINDS) | 2000-10-01 |
| The Association of Neurotoxin Exposure With Parkinson's Disease and Parkinsonism in World War II Veterans and Other Men (NCT00018577) | US Department of Veterans Affairs | 2000-10-01 |
| A Study to Evaluate the Effects of Tyramine in Patients Who Completed the PRESTO Study. (NCT00203125) | Teva Branded Pharmaceutical Products R&D, Inc. | 2000-10-01 |
| Valerian to Improve Sleep in Patients With Parkinson's Disease (NCT00070928) | National Center for Complementary and Integrative Health (NCCIH) | 2000-09-01 |
| Parkinson's Diseases Susceptibility Genes and Pesticides (NCT00044590) | National Institute of Environmental Health Sciences (NIEHS) | 2000-09-01 |
| Magnetic Stimulation for Parkinson Disease (NCT00029276) | National Center for Complementary and Integrative Health (NCCIH) | 2000-08-01 |
| Effects of Monoamine Reuptake Inhibitor NS2330 in Parkinson's Disease (NCT00006077) | National Institute of Neurological Disorders and Stroke (NINDS) | 2000-08-01 |
| Multicenter Study of Rasagiline in Parkinson's Disease Patients Using Levodopa and Experiencing Motor Fluctuations (NCT00203034) | Teva Branded Pharmaceutical Products R&D, Inc. | 2000-05-01 |
| Pilot Study of Safety and Efficacy of Spheramine (NCT00761436) | Bayer | 2000-02-29 |
| Deep Brain Stimulation for Parkinson's Disease Trial (NCT00053625) | University of Minnesota | 1999-06-01 |
| Incidence of Parkinson's Disease Among Veterans (NCT00100438) | US Department of Veterans Affairs | 1998-10-01 |
| Parkinson's Disease Treatment With Coenzyme Q10 (NCT00004731) | National Institute of Neurological Disorders and Stroke (NINDS) | 1998-09-01 |
| Timing of Levodopa Treatment in Parkinson's Disease (NCT00004733) | National Institute of Neurological Disorders and Stroke (NINDS) | 1998-01-01 |
| Effects of Brain Stimulation on Learning and Reasoning (NCT00001776) | National Institute of Neurological Disorders and Stroke (NINDS) | 1997-10-01 |
| Gene Analysis of Parkinson's Disease (NCT00001643) | National Human Genome Research Institute (NHGRI) | 1997-08-29 |
| Phase 2, Double-blind, Randomized, Controlled Multi-center Clinical Trial of the Safety and Efficacy of Transplanted Fetal Porcine Cells in Patients With Parkinson's Disease. (NCT00226460) | Genzyme, a Sanofi Company | 1997-08-01 |
| Effectiveness, Tolerability and Safety of Rasagiline in Early Parkinson's Disease Patients Not Treated With Levodopa (NCT00203060) | Teva Neuroscience, Inc. | 1997-07-01 |
| Genetic Analysis of Parkinson's Disease (NCT00001640) | National Human Genome Research Institute (NHGRI) | 1997-02-11 |
| Diagnosis and Natural History Study of Patients With Neurological Conditions (NCT00001549) | National Institute of Neurological Disorders and Stroke (NINDS) | 1995-10-01 |
| Dextromethorphan for the Treatment of Parkinson's Disease and Similar Conditions of the Nervous System (NCT00001365) | National Institute of Neurological Disorders and Stroke (NINDS) | 1993-07-01 |
| Study of Brain Imaging With Nuclear Technology in Individuals With Parkinsonian Syndrome (NCT00132626) | Institute for Neurodegenerative Disorders | 1992-09-01 |
| BIIB014 Phase 2a Monotherapy (NCT00451815) | Biogen | |
| Development of a Fall Prevention and Fall Detection System for Ambulatory Rehabilitation of Parkinson's Patients (NCT01262950) | Far Eastern Memorial Hospital | |
| Ambulatory Assessment of Motor State in Patients With Parkinson's Disease in Real Daily Life (NCT00184808) | Radboud University Medical Center | |
| Study Assessing Tolerability and Safety and Exploring the Immunogenicity and Therapeutic Activity of AFFITOPE® PD01A in PD-GBA Patients (NCT02758730) | Affiris AG | |
| Use of Zolpidem in Parkinson's Disease (NCT01351168) | Rush University Medical Center | |