A Phase III Study of JR-141 in Patients With Mucopolysaccharidosis II (STARLIGHT)
Public ClinicalTrials.gov record NCT04573023. 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.
Study identification
- NCT ID
- NCT04573023
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- JCR Pharmaceuticals Co., Ltd.
- Industry
- Enrollment
- 86 participants
Conditions and interventions
Conditions
Interventions
- Idursulfase Drug
- JR-141 Drug
- JR-141 or Idursulfase Drug
Drug
Eligibility (public fields only)
- Age range
- Not listed
- Sex
- All
- Healthy volunteers
- Not listed
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 13, 2022
- Primary completion
- Oct 30, 2027
- Completion
- Oct 30, 2027
- Last update posted
- Apr 20, 2026
2022 – 2027
United States locations
- U.S. sites
- 7
- U.S. states
- 7
- U.S. cities
- 7
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Phoenix Children's Hospital | Phoenix | Arizona | 27599-7487 | — |
| UCSF Benioff Children's Hospital Oakland | Oakland | California | 94609 | — |
| Ann & Robert H. Lurie Children's Hospital of Chicago | Chicago | Illinois | 60611 | — |
| University of Minnesota | Minneapolis | Minnesota | 55455 | — |
| Columbia University | New York | New York | 10032 | — |
| University of North Carolina at Chapel Hill Medical School Wing E | Chapel Hill | North Carolina | 27599-7487 | — |
| Children's Hospital of Philadelphia | 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 17 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04573023, 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 20, 2026 · Synced Apr 22, 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 NCT04573023 live on ClinicalTrials.gov.