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)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a observational, multi-center study to assess progression of clinical features, imaging and biologic biomarkers in Parkinson disease (PD) patients compared to healthy controls (HC) and in PD patient subtypes. The primary objective of this study is to identify clinical, imaging and biologic markers of PD progression for use in clinical trials of disease-modifying therapies.
Study identification
- NCT ID
- NCT01141023
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 952 participants
Conditions and interventions
Conditions
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
- Jun 2010 (Actual)
- Primary completion
- Jun 30, 2020 (Actual)
- Completion
- Jun 30, 2020 (Actual)
- Last update posted
- Nov 14, 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 14, 2023 · Synced Oct 18, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT01141023 live on ClinicalTrials.gov.