Carbidopa/Levodopa/Entacapone Versus Immediate Release (IR) Carbidopa/Levodopa on Non-motor Symptoms in Patients With Idiopathic Parkinson's Disease and Demonstrating Non-motor Symptoms of Wearing Off
Public ClinicalTrials.gov record NCT00642356. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An 8-week, Prospective, Randomized, Double-blind, Double-dummy, Active-controlled, Multi-center Comparison Study of the Effects of Carbidopa/Levodopa/Entacapone Versus Immediate Release Carbidopa/Levodopa on Non-motor Symptoms in Patients With Idiopathic Parkinson's Disease and Demonstrating Non-motor Symptoms of Wearing Off
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to test the effects of carbidopa/levodopa/entacapone compared to the effects of immediate-release carbidopa/levodopa on non-motor symptoms of end-of-dose wearing off in persons who have Parkinson's disease.
Study identification
- NCT ID
- NCT00642356
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 4
- Enrollment
- 14 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 30 Years to 85 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 2008 (Type not available)
- Primary completion
- May 2009 (Actual)
- Completion
- May 2009 (Actual)
- Last update posted
- Feb 18, 2011
2008 – 2009
United States locations
- U.S. sites
- 21
- U.S. states
- 12
- U.S. cities
- 20
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Xenoscience, Inc | Phoenix | Arizona | 85004 | — |
| South Coast Health Center | Aliso Viejo | California | 92656 | — |
| University of California | Irvine | California | 92697 | — |
| Coastal Neurological Medical Group, Inc | La Jolla | California | 92037 | — |
| Georgetown University Hospital | Washington D.C. | District of Columbia | 20007 | — |
| Sunrise Clinical Research, Inc | Hollywood | Florida | 33021 | — |
| Charlotte Neurological Services | Port Charlotte | Florida | 33952 | — |
| Cotton O'Neil Clinic | Topeka | Kansas | 66606 | — |
| University of Maryland School of Medicine | Baltimore | Maryland | 21201 | — |
| Neurology, Inc | Columbia | Missouri | 65201 | — |
| Dr. John's Mercy Medical Center | St Louis | Missouri | 63141 | — |
| Creighton U Medical Center, Dept of Neurology | Omaha | Nebraska | 68131 | — |
| Parkinson's Disease & Movement Disorders | Commack | New York | 11725 | — |
| Central New York Research Corporation | Syracuse | New York | 13210 | — |
| Neurological Care of Central NY | Syracuse | New York | 13210 | — |
| Duke University | Durham | North Carolina | 27705 | — |
| Neurology Associates | Monroeville | Pennsylvania | 15146 | — |
| University of Pittsburg | Pittsburgh | Pennsylvania | 15213 | — |
| University of Texas Southwestern | Dallas | Texas | 75390 | — |
| University of Texas Medical School | Houston | Texas | 77030 | — |
| Scott & White Hospital | Temple | Texas | 76508 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00642356, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 18, 2011 · Synced Oct 24, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00642356 live on ClinicalTrials.gov.