Pre-Gene Therapy Study in Parkinson's Disease and Multiple System Atrophy
Public ClinicalTrials.gov record NCT05699460. 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
A Pre-Gene Therapy Study of Early Parkinson's or Multiple System Atrophy Progression by Longitudinal Clinical and Biomarker Assessments
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The objective of this study is to describe disease progression in study participants diagnosed with early Parkinson's Disease or Multiple System Atrophy - Parkinsonian Type up to 18 months as delineated by clinical and biochemical parameters.
Study identification
- NCT ID
- NCT05699460
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 73 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 35 Years to 75 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
- Sep 28, 2022
- Primary completion
- Nov 3, 2025
- Completion
- Nov 3, 2025
- Last update posted
- Jul 26, 2026
2022 – 2025
United States locations
- U.S. sites
- 7
- U.S. states
- 7
- U.S. cities
- 7
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California Irvine | Irvine | California | 92697 | — |
| Parkinson's Disease and Movement Disorders Center of Boca Raton | Boca Raton | Florida | 33486 | — |
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | — |
| Quest Research Institute | Farmington Hills | Michigan | 48334 | — |
| Ohio Health Research Institute | Columbus | Ohio | 43214 | — |
| OHSU Parkinson Center & Movement Disorders Program | Portland | Oregon | 97239 | — |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37232 | — |
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 4 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05699460, 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 Jul 26, 2026 · Synced Sep 10, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05699460 live on ClinicalTrials.gov.