Natural History Study in Adult-Onset Leukoencephalopathy With Axonal Spheroids and Pigmented Glia
Public ClinicalTrials.gov record NCT05020743. 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 Natural History Study of Patients With Adult-Onset Leukoencephalopathy With Axonal Spheroids and Pigmented Glia (ALSP)
Study identification
- NCT ID
- NCT05020743
- Recruitment status
- Terminated
- Study type
- Observational
- Phase
- Not listed
- Lead sponsor
- Vigil Neuroscience, Inc.
- Industry
- Enrollment
- 56 participants
Conditions and interventions
Conditions
Interventions
- No intervention Other
Other
Eligibility (public fields only)
- Age range
- 18 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
- Sep 12, 2021
- Primary completion
- May 29, 2025
- Completion
- May 29, 2025
- Last update posted
- Aug 12, 2025
2021 – 2025
United States locations
- U.S. sites
- 6
- U.S. states
- 5
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Investigative Site 4 | San Francisco | California | 94158 | — |
| Investigative Site 5 | Englewood | Colorado | 80113 | — |
| Investigative Site 1 | Boca Raton | Florida | 33486 | — |
| Investigative Site 2 | Jacksonville | Florida | 32224 | — |
| Investigative Site 11 | Boston | Massachusetts | 02114 | — |
| Investigative Site 10 | Philadelphia | Pennsylvania | 19104 | — |
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 6 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05020743, 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 Aug 12, 2025 · Synced Jul 21, 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 NCT05020743 live on ClinicalTrials.gov.