Efficacy and Safety of Carbidopa/Levodopa/Entacapone in Patients With Parkinson's Disease Requiring Initiation of Levodopa Therapy
Public ClinicalTrials.gov record NCT00099268. 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
A Long Term, Double-blind, Randomized, Parallel-group, Carbidopa/Levodopa Controlled, Multi-center Study to Evaluate the Effect of Carbidopa/Levodopa/Entacapone in Patients With Parkinson's Disease Requiring Initiation of Levodopa Therapy
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The CELC200A2401 study has been designed in order to evaluate the hypothesis that administering the combination carbidopa/levodopa/entacapone at the time that levodopa therapy is initiated results in a decrease in the risk of the development of motor complications for patients with Parkinson's disease.
Study identification
- NCT ID
- NCT00099268
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 747 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 30 Years to 70 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
- Sep 2004 (Type not available)
- Primary completion
- Nov 2008 (Actual)
- Completion
- Nov 2008 (Actual)
- Last update posted
- Apr 23, 2012
2004 – 2008
United States locations
- U.S. sites
- 31
- U.S. states
- 18
- U.S. cities
- 28
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama at Birmingham | Birmingham | Alabama | 35233 | — |
| Mayo Clinic | Scottsdale | Arizona | 85259 | — |
| Coastal Neurological Medical Group | La Jolla | California | 92037 | — |
| Keck School of Medicine, Division of Movement Disorders | Los Angeles | California | 90033 | — |
| Reed Neurological Research Center | Los Angeles | California | 90095-1769 | — |
| The Parkinson's Institute | Sunnyvale | California | 94085 | — |
| Molecular NeuroImaging, LLC | New Haven | Connecticut | 06510 | — |
| Parkinson's Disease and Movement Disorder Center | Boca Raton | Florida | 33486 | — |
| University of Miami | Miami | Florida | 33136 | — |
| Charlotte Neurological Service | Port Charlotte | Florida | 33952 | — |
| University of South Florida | Tampa | Florida | 33606 | — |
| Wesley Woods Health Center | Atlanta | Georgia | 30329 | — |
| Medical College of Georgia | Augusta | Georgia | 30912 | — |
| Northwestern University Medical School | Chicago | Illinois | 60611 | — |
| Rush University Medical Center | Chicago | Illinois | 60612 | — |
| Landon Center on Aging | Kansas City | Kansas | 66160 | — |
| Ochsner Clinic Foundation | New Orleans | Louisiana | 70121 | — |
| Boston University School of Medicine | Boston | Massachusetts | 02118 | — |
| Clinical Neuroscience Center | Southfield | Michigan | 48034 | — |
| Parkinson's Disease and Movement Disorder Center of Albany Medical | Albany | New York | 12208 | — |
| Parkinson's Disease and Movement Disorders Center of Long Island | Commack | New York | 11725 | — |
| Mount Sinai School of Medicine | New York | New York | 10029 | — |
| Columbia University, Neurological Institute | New York | New York | 10032-3784 | — |
| University of Rochester | Rochester | New York | 14618 | — |
| Duke University Medical Center Movement Disorders Center | Durham | North Carolina | 27705 | — |
| Pennsylvania Neurology Institute | Philadelphia | Pennsylvania | 19107 | — |
| NeuroHealth, Inc. | Warwick | Rhode Island | 02886 | — |
| Semmes-Murphey Clinic | Memphis | Tennessee | 38104 | — |
| University of Texas Southwestern Medical Center at Dallas | Dallas | Texas | 75390-9016 | — |
| Baylor College of Medicine, Parkinson's Disease Center | Houston | Texas | 77030 | — |
| Wisconsin Institute for Neurologic and Sleep Disorders | Milwaukee | Wisconsin | 53233 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 42 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00099268, 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 Apr 23, 2012 · Synced Oct 17, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00099268 live on ClinicalTrials.gov.