Study to Identify Clinical, Imaging and Biologic Markers of Parkinson Disease Progression
Public ClinicalTrials.gov record NCT01141023. 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
The Parkinson's Progression Markers Initiative (PPMI)
Study identification
- NCT ID
- NCT01141023
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Ken Marek, MD
- Other
- Enrollment
- 952 participants
Conditions and interventions
Conditions
Interventions
- DaTscan 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
- May 31, 2010
- Primary completion
- Jun 29, 2020
- Completion
- Jun 29, 2020
- Last update posted
- Nov 13, 2023
2010 – 2020
United States locations
- U.S. sites
- 21
- U.S. states
- 15
- U.S. cities
- 20
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Alabama at Birmingham | Birmingham | Alabama | 35294 | — |
| Banner Research Institute | Sun City | Arizona | 85351 | — |
| University of California San Diego | La Jolla | California | 92093-0948 | — |
| University of California, San Francisco | San Francisco | California | 94115 | — |
| The Parkinson's Institute | Sunnyvale | California | 94085 | — |
| Institute For Neurodegenerative Disorders | New Haven | Connecticut | 06510 | — |
| Parkinson's Disease& Movement Disorder Center of Boca Raton | Boca Raton | Florida | 33486 | — |
| University of South Florida | Tampa | Florida | 33606 | — |
| Emory University School of Medicine | Atlanta | Georgia | 30329 | — |
| Northwestern University | Chicago | Illinois | 60611 | — |
| John Hopkins University | Baltimore | Maryland | 21287 | — |
| Boston University | Boston | Massachusetts | 02118 | — |
| Beth Israel Medical Center | New York | New York | 10003 | — |
| Columbia University Medical Center | New York | New York | 10032 | — |
| University of Rochester | Rochester | New York | 14620 | — |
| University of Cincinnati/Cincinnati Children's Hospital | Cincinnati | Ohio | 45219 | — |
| Cleveland Clinic | Cleveland | Ohio | 44195 | — |
| Oregon Health &Science University | Portland | Oregon | 97239 | — |
| University of Pennsylvania | Philadelphia | Pennsylvania | 19107 | — |
| Baylor College of Medicine | Houston | Texas | 77030 | — |
| Univ of Washington and VA Puget Sound Health Care System | Seattle | Washington | 98104 | — |
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 13 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01141023, 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 Nov 13, 2023 · Synced Apr 23, 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 NCT01141023 live on ClinicalTrials.gov.