ClinicalTrials.gov record
Study Evaluating Sumanirole for the Treatment of the Signs and Symptoms of Early Parkinson's Disease.
ClinicalTrials.gov ID: NCT00036218
Public ClinicalTrials.gov record NCT00036218. 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.
ClinicalTrials.gov public records Last synced May 8, 2026, 12:27 AM EDT
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase III, Double-Blind, Placebo-Controlled, Randomized Study Comparing the Efficacy, Safety, and Tolerability of Sumanirole Versus Placebo or Ropinirole in Patients With Early Parkinson's Disease.
Study identification
- NCT ID
- NCT00036218
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 600 participants
Conditions and interventions
Conditions
Interventions
- ropinirole Drug
- sumanirole Drug
Drug
Eligibility (public fields only)
- Age range
- 30 Years and older
- 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
- Nov 30, 2001
- Primary completion
- Not listed
- Completion
- Mar 31, 2003
- Last update posted
- Jun 6, 2006
2001 – 2003
United States locations
- U.S. sites
- 93
- U.S. states
- 30
- U.S. cities
- 84
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pfizer Investigational Site | Hot Springs | Arkansas | 71913 | — |
| Pfizer Investigational Site | Little Rock | Arkansas | 72205 | — |
| Pfizer Investigational Site | Carmichael | California | 95608 | — |
| Pfizer Investigational Site | Fresno | California | 93710 | — |
| Pfizer Investigational Site | Irvine | California | 92618 | — |
| Pfizer Investigational Site | La Jolla | California | 92037 | — |
| Pfizer Investigational Site | Loma Linda | California | 92354 | — |
| Pfizer Investigational Site | Los Angeles | California | 90033 | — |
| Pfizer Investigational Site | Oceanside | California | 92056 | — |
| Pfizer Investigational Site | San Francisco | California | 94109 | — |
| Pfizer Investigational Site | San Francisco | California | 94143 | — |
| Pfizer Investigational Site | San Luis Obiapo | California | 93401 | — |
| Pfizer Investigational Site | Walnut Creek | California | 94596 | — |
| Pfizer Investigational Site | Walnut Creek | California | 94598 | — |
| Pfizer Investigational Site | Denver | Colorado | 80218 | — |
| Pfizer Investigational Site | Fairfield | Connecticut | 06824 | — |
| Pfizer Investigational Site | New Haven | Connecticut | 06510 | — |
| Pfizer Investigational Site | Wilmington | Delaware | 19806 | — |
| Pfizer Investigational Site | Boca Raton | Florida | 33486 | — |
| Pfizer Investigational Site | Clearwater | Florida | 33761 | — |
| Pfizer Investigational Site | Fort Lauderdale | Florida | 33308 | — |
| Pfizer Investigational Site | Jacksonville | Florida | 32209 | — |
| Pfizer Investigational Site | Jacksonville | Florida | 32216 | — |
| Pfizer Investigational Site | Maitland | Florida | 32751 | — |
| Pfizer Investigational Site | Miami | Florida | 33136 | — |
| Pfizer Investigational Site | Naples | Florida | 34102 | — |
| Pfizer Investigational Site | Orlando | Florida | 32806 | — |
| Pfizer Investigational Site | Palm Beach Gardens | Florida | 33410 | — |
| Pfizer Investigational Site | Plantation | Florida | 33324 | — |
| Pfizer Investigational Site | St. Petersburg | Florida | 33703 | — |
| Pfizer Investigational Site | Tallahassee | Florida | 32308 | — |
| Pfizer Investigational Site | Tampa | Florida | 33614 | — |
| Pfizer Investigational Site | Atlanta | Georgia | 30303 | — |
| Pfizer Investigational Site | Conyers | Georgia | 30013 | — |
| Pfizer Investigational Site | Decatur | Georgia | 30033 | — |
| Pfizer Investigational Site | Savannah | Georgia | 31416 | — |
| Pfizer Investigational Site | Chicago | Illinois | 60610 | — |
| Pfizer Investigational Site | Chicago | Illinois | 60612 | — |
| Pfizer Investigational Site | Glenbrook | Illinois | 60025 | — |
| Pfizer Investigational Site | Kansas City | Kansas | 66160 | — |
| Pfizer Investigational Site | Lake Charles | Louisiana | 70601 | — |
| Pfizer Investigational Site | Shreveport | Louisiana | 71135 | — |
| Pfizer Investigational Site | Baltimore | Maryland | 21201 | — |
| Pfizer Investigational Site | Columbia | Maryland | 21044 | — |
| Pfizer Investigational Site | Frederick | Maryland | 21702 | — |
| Pfizer Investigational Site | Rockville | Maryland | 20850 | — |
| Pfizer Investigational Site | Boston | Massachusetts | 02115 | — |
| Pfizer Investigational Site | Boston | Massachusetts | 02118 | — |
| Pfizer Investigational Site | Ann Arbor | Michigan | 48104 | — |
| Pfizer Investigational Site | East Lansing | Michigan | 48848 | — |
| Pfizer Investigational Site | Grand Rapids | Michigan | 49525 | — |
| Pfizer Investigational Site | Southfield | Michigan | 48034 | — |
| Pfizer Investigational Site | Traverse City | Michigan | 49684 | — |
| Pfizer Investigational Site | Golden Valley | Minnesota | 55422 | — |
| Pfizer Investigational Site | Minneapolis | Minnesota | 55455 | — |
| Pfizer Investigational Site | Saint Cloud | Minnesota | 56303 | — |
| Pfizer Investigational Site | Kansas City | Missouri | 64108 | — |
| Pfizer Investigational Site | Springfield | Missouri | 65807 | — |
| Pfizer Investigational Site | Omaha | Nebraska | 68105 | — |
| Pfizer Investigational Site | Omaha | Nebraska | 68131-2197 | — |
| Pfizer Investigational Site | Henderson | Nevada | 89052 | — |
| Pfizer Investigational Site | Lebanon | New Hampshire | 03766 | — |
| Pfizer Investigational Site | Morristown | New Jersey | 07960 | — |
| Pfizer Investigational Site | New Brunswick | New Jersey | 08901 | — |
| Pfizer Investigational Site | Ridgewood | New Jersey | 07450 | — |
| Pfizer Investigational Site | Manhasset | New York | 11030 | — |
| Pfizer Investigational Site | Mineola | New York | 11501 | — |
| Pfizer Investigational Site | Mount Vernon | New York | 10550 | — |
| Pfizer Investigational Site | New York | New York | 10010 | — |
| Pfizer Investigational Site | New York | New York | 10029-6501 | — |
| Pfizer Investigational Site | New York | New York | 10032 | — |
| Pfizer Investigational Site | Syracuse | New York | 13210 | — |
| Pfizer Investigational Site | Asheville | North Carolina | 28803 | — |
| Pfizer Investigational Site | Raleigh | North Carolina | 27607-6520 | — |
| Pfizer Investigational Site | Oklahoma City | Oklahoma | 73104 | — |
| Pfizer Investigational Site | Oklahoma City | Oklahoma | 73118 | — |
| Pfizer Investigational Site | Norristown | Pennsylvania | 19401-3434 | — |
| Pfizer Investigational Site | Sellersville | Pennsylvania | 18960 | — |
| Pfizer Investigational Site | Upland | Pennsylvania | 19013-3995 | — |
| Pfizer Investigational Site | Knoxville | Tennessee | 37916 | — |
| Pfizer Investigational Site | Memphis | Tennessee | 38163 | — |
| Pfizer Investigational Site | Nashville | Tennessee | 37212-3375 | — |
| Pfizer Investigational Site | Austin | Texas | 78756 | — |
| Pfizer Investigational Site | Dallas | Texas | 75390 | — |
| Pfizer Investigational Site | Houston | Texas | 77030 | — |
| Pfizer Investigational Site | San Antonio | Texas | 78229 | — |
| Pfizer Investigational Site | Salt Lake City | Utah | 84107 | — |
| Pfizer Investigational Site | Burlington | Vermont | 05401 | — |
| Pfizer Investigational Site | Richmond | Virginia | 23294 | — |
| Pfizer Investigational Site | Bellevue | Washington | 98004 | — |
| Pfizer Investigational Site | Spokane | Washington | 99204 | — |
| Pfizer Investigational Site | Wenatchee | Washington | 98801 | — |
| Pfizer Investigational Site | Milwaukee | Wisconsin | 53201 | — |
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 9 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00036218, 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 Jun 6, 2006 · Synced May 8, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00036218 live on ClinicalTrials.gov.