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Recruiting Phase 1Phase 2 Interventional

An Open-Label Exploratory Study of Fosigotifator in Participants With Vanishing White Matter Disease

ClinicalTrials.gov ID: NCT05757141

Public ClinicalTrials.gov record NCT05757141. 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.

ClinicalTrials.gov public records Last synced Jul 21, 2026, 10:16 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 1b/2 Open-label Study to Evaluate Safety, Tolerability, Pharmacokinetics, and Exploratory Efficacy Following Fosigotifator Administration in Adult and Pediatric Subjects With Vanishing White Matter Disease

Study identification

NCT ID
NCT05757141
Recruitment status
Recruiting
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
Calico Life Sciences LLC
Industry
Enrollment
50 participants

Conditions and interventions

Interventions

  • Fosigotifator Drug

Drug

Eligibility (public fields only)

Age range
6 Months 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
Mar 12, 2023
Primary completion
Oct 31, 2027
Completion
Sep 30, 2035
Last update posted
Jun 30, 2026

2023 – 2035

United States locations

U.S. sites
3
U.S. states
3
U.S. cities
3
Facility City State ZIP Site status
Massachusetts General Hospital /ID# 270960 Boston Massachusetts 02114 Recruiting
Children's Hospital of Philadelphia Philadelphia Pennsylvania 19104 Recruiting
University of Utah /ID# 255624 Salt Lake City Utah 84112-5339 Recruiting

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 2 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05757141, 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 Jun 30, 2026 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05757141 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →