Open-label Trial in Parkinson's Disease (PD)
Public ClinicalTrials.gov record NCT04760769. 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
58-Week Open-label Trial of Tavapadon in Parkinson's Disease (TEMPO-4 Trial)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to evaluate the safety and efficacy of long-term administration of flexible doses of tavapadon in participants with Parkinson's Disease.
Study identification
- NCT ID
- NCT04760769
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 992 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 40 Years to 80 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
- Feb 24, 2021 (Actual)
- Primary completion
- Dec 1, 2025 (Actual)
- Completion
- Dec 1, 2025 (Actual)
- Last update posted
- Dec 23, 2025
2021 – 2025
United States locations
- U.S. sites
- 52
- U.S. states
- 24
- U.S. cities
- 51
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Birmingham, Alabama | Birmingham | Alabama | 35233 | — |
| Pheonix, Arizona | Phoenix | Arizona | 85004 | — |
| Little Rock, Arkansas | Little Rock | Arkansas | 72205 | — |
| Fountain Valley, California | Fountain Valley | California | 92708 | — |
| Fresno, California | Fresno | California | 93710 | — |
| Los Angeles, California | Los Angeles | California | 90048 | — |
| Pasadena, California | Pasadena | California | 91105 | — |
| Reseda, California | Reseda | California | 91335 | — |
| Englewood, Colorado | Englewood | Colorado | 80113 | — |
| Florida, United States | Adventura | Florida | 33180 | — |
| Boca Raton, Florida | Boca Raton | Florida | 33486 | — |
| Coral Springs, Florida | Coral Springs | Florida | 33067 | — |
| Maitland, Florida | Maitland | Florida | 32751 | — |
| Naples, Florida | Naples | Florida | 34102 | — |
| Ocala, Florida | Ocala | Florida | 34470 | — |
| Port Charlotte, Florida | Port Charlotte | Florida | 33980 | — |
| Port Orange, Florida | Port Orange | Florida | 32127 | — |
| Tampa, Florida | Tampa | Florida | 33615 | — |
| Winter Park, Florida | Winter Park | Florida | 32792 | — |
| Augusta, Georgia | Augusta | Georgia | 30912 | — |
| Chicago, Illinois | Chicago | Illinois | 60612 | — |
| Winfield, Illinois | Winfield | Illinois | 60190 | — |
| Kansas City | Kansas City | Kansas | 66160 | — |
| Lexington, Kentucky | Lexington | Kentucky | 40536 | — |
| Scarborough, Maine | Scarborough | Maine | 04074 | — |
| Boston, Massachusettes | Boston | Massachusetts | 02215 | — |
| Lawrence, Massachusetts | Lawrence | Massachusetts | 01843 | — |
| East Lansing, Michigan | East Lansing | Michigan | 48824 | — |
| West Bloomfield | West Bloomfield | Michigan | 48322 | — |
| Las Vegas, Nevada | Las Vegas | Nevada | 89106 | — |
| Camden, New Jersey | Camden | New Jersey | 08103 | — |
| Albany, New York | Albany | New York | 12208 | — |
| Syracuse, New York | Syracuse | New York | 13210 | — |
| Asheville, North Carolina | Asheville | North Carolina | 28806 | — |
| Durham, North Carolina | Durham | North Carolina | 27705 | — |
| Cincinnati, Ohio | Cincinnati | Ohio | 45212 | — |
| Cleveland, Ohio | Cleveland | Ohio | 44195 | — |
| Columbus, Ohio | Columbus | Ohio | 43221 | — |
| Dayton, Ohio | Dayton | Ohio | 45459 | — |
| Toledo, Ohio | Toledo | Ohio | 43614 | — |
| Philadelphia, Pennsylvania | Philadelphia | Pennsylvania | 19107 | — |
| Memphis, Tennessee | Memphis | Tennessee | 38157 | — |
| Georgetown, Texas | Georgetown | Texas | 78628 | — |
| Houston, Texas | Houston | Texas | 77030 | — |
| Lubbock, Texas | Lubbock | Texas | 79410 | — |
| Round Rock, Texas | Round Rock | Texas | 78681 | — |
| Burlington, Vermont | Burlington | Vermont | 05401 | — |
| Richmond, Virginia | Richmond | Virginia | 23229 | — |
| Richmond, Virginia | Richmond | Virginia | 23233 | — |
| Virginia Beach, Virginia | Virginia Beach | Virginia | 23456 | — |
| Kirkland, Washington | Kirkland | Washington | 98034 | — |
| Spokane, Washington | Spokane | Washington | 99202 | — |
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 88 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04760769, 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 Dec 23, 2025 · Synced Oct 17, 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 public registry record, listed eligibility criteria, and available contact information for NCT04760769 live on ClinicalTrials.gov.