Rostock International Parkinson's Disease Study (ROPAD)
Public ClinicalTrials.gov record NCT03866603. 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
Rostock International Parkinson's Disease Study: an International, Multicenter, Epidemiological Observational Study
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Rostock International Parkinson's Disease Study - An International, multicenter, epidemiological observational study aiming at identification of LRRK2-positive patients, the recruitment of 25,000 PD participants and the establishment of a candidate biomarker in the LRRK2-positive cohort.
Study identification
- NCT ID
- NCT03866603
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 20,112 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 30 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
- May 30, 2019 (Actual)
- Primary completion
- Oct 10, 2024 (Actual)
- Completion
- Oct 10, 2024 (Actual)
- Last update posted
- Apr 13, 2026
2019 – 2024
United States locations
- U.S. sites
- 26
- U.S. states
- 12
- U.S. cities
- 26
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Tucson Neuroscience Research | Tucson | Arizona | 85710 | — |
| Pharmacology Research Institute | Encino | California | 91316 | — |
| Neuro-Pain Medical Center | Fresno | California | 93710 | — |
| University of California (UC) San Diego | La Jolla | California | 92093 | — |
| Loma Linda University | Loma Linda | California | 92354 | — |
| Pharmacology Research Institute | Los Alamitos | California | 90720 | — |
| Pharmacology Research Institute | Newport Beach | California | 92660 | — |
| Parkinson's Disease and Movement Disorder Center of Baco Raton | Baco Raton | Florida | 33486 | — |
| Linfritz Research Institute | Coral Gables | Florida | 33134 | — |
| Renstar Medical Research | Ocala | Florida | 34475 | — |
| University of South Florida | Tampa | Florida | 33613 | — |
| Vero Beach Neurology & Research Institute | Vero Beach | Florida | 32960 | — |
| Rush University Medical Center | Chicago | Illinois | 60612 | — |
| Northshore University HealthSystem | Evanston | Illinois | 60201 | — |
| Indiana University, Department of Neurology | Indianapolis | Indiana | 46202 | — |
| Michigan Institute for Neurological Disorders | Farmington Hills | Michigan | 48334 | — |
| WR-CRCN | Las Vegas | Nevada | 89106 | — |
| Neuroscience Research Institute of NJ | Toms River | New Jersey | 08755 | — |
| Dent Neurologic Institue | Amherst | New York | 14226 | — |
| Stony Brook University School of Medicine | Brookhaven | New York | 11772 | — |
| South Shore Neurologic Associates | Patchogue | New York | 11772 | — |
| Duke University, Department of Neurology | Durham | North Carolina | 27710 | — |
| M3 Wake Research, Inc. | Raleigh | North Carolina | 27612 | — |
| WR-ClinSearch, LLC | Chattanooga | Tennessee | 37421 | — |
| Booth Gardner Parkinson's Care Center | Kirkland | Washington | 98034 | — |
| Inland Northwest Research | 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 84 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03866603, 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 13, 2026 · Synced Sep 30, 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 NCT03866603 live on ClinicalTrials.gov.