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Study identifier: NCT05677659 Synced from ClinicalTrials.gov · August 05, 2026
● Terminated

A Study of VGL101 in Patients With Adult-Onset Leukoencephalopathy With Axonal Spheroids and Pigmented Glia

Condition: ALSP  ·  Sponsor: Vigil Neuroscience, Inc.

PhasePhase 2
Planned participants20
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

This is a multicenter, open-label study to assess the safety and tolerability of iluzanebart (also referred to as VGL101) in subjects with documentation of a gene mutation in the CSF1R gene for the treatment of adult-onset leukoencephalopathy with axonal spheroids and pigmented glia (ALSP) and to evaluate the effects of iluzanebart on imaging and biomarkers of disease progression in subjects with ALSP. Participants will receive infusions of iluzanebart approximately every 4 weeks for 1 year. The study includes a 52-week, open-label Core Study, followed by a Long-Term Extension (LTE), which provides subjects who complete the original 52-week study (Core Study) with the option to continue treatment for up to an additional 2 years.

This description comes directly from the study's public registry record.

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No contact information is available for this study as per the public registry record.

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Locations (10)

Investigative Site 3San Francisco, California, United States
Investigative Site 2Englewood, Colorado, United States
Investigative Site 1Jacksonville, Florida, United States
Investigative Site 5Boston, Massachusetts, United States
Investigative Site 6Philadelphia, Pennsylvania, United States
Investigative Site 10Paris, France
Investigative Site 7Leipzig, Germany
Investigative Site 9Tübingen, Germany
Investigative Site 8Amsterdam, Netherlands
Investigative Site 4London, United Kingdom

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