Study of Biodistribution, Metabolism, Excretion and Brain Uptake11C-M503
Public ClinicalTrials.gov record NCT06303921. 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
Center Without Walls for Imaging Proteinopathies With PET (CW2IP2): Phase I Pilot Study of Biodistribution, Metabolism, Excretion and Brain Uptake of 11C-M503
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The current protocol is to determine the biodistribution, metabolism, excretion and brain uptake of 11C-M503. The goal of this radiotracer is to quantify alpha-synuclein that is abnormally deposited in the brain of people with Parkinson's disease (PD). Investigators will compare uptake in participants with PD versus participants with multiple system atrophy (MSA) and progressive supranuclear palsy (PSP), as well as non-Parkinsonism volunteers. This multicenter project funded by an NIH U19 grant, is centered at U Pennsylvania (Penn, Grant PI: Robert Mach) in collaboration with U Pittsburgh (Pitt) (non-clinical site) Yale U, U of California at San Francisco (UCSF) and Washington University in St. Louis (WU). The University of Pennsylvania will act as the sIRB for this multi-center human subjects project and participants will be recruited from all sites.
Study identification
- NCT ID
- NCT06303921
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Early Phase 1
- Enrollment
- 70 participants
Conditions and interventions
Conditions
Interventions
- 11C-M503 PET Drug
- Brain MRI Diagnostic Test
- Amyloid PET Diagnostic Test
- Neurological assessments Behavioral
Drug · Diagnostic Test · Behavioral
Eligibility (public fields only)
- Age range
- 40 Years to 85 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 15, 2024
- Primary completion
- Jan 31, 2029
- Completion
- Jan 31, 2029
- Last update posted
- Apr 23, 2026
2024 – 2029
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Yale New Haven Hospital | New Haven | Connecticut | 06510 | Recruiting |
| Washington University in St. Louis | St Louis | Missouri | 63110 | Recruiting |
| University of Pennsylvania | Philadelphia | Pennsylvania | 19104 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06303921, 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 23, 2026 · Synced Sep 7, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06303921 live on ClinicalTrials.gov.