An Extension Study of JR-171-101 Study in Patients With Mucopolysaccharidosis Type I (MPS I)
Public ClinicalTrials.gov record NCT04453085. 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.
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Official title
An Extension Study of JR-171-101 Study in Patients With Mucopolysaccharidosis Type I
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Phase I/II, open label, multicenter, multinational (Japan, Brazil and the US) extension study of JR-171-101 (NCT04227600) for the treatment of MPS I
Study identification
- NCT ID
- NCT04453085
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Enrollment
- 14 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- Not listed
- 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
- Oct 28, 2021 (Actual)
- Primary completion
- May 2, 2025 (Actual)
- Completion
- May 2, 2025 (Actual)
- Last update posted
- Aug 28, 2025
2021 – 2025
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UCSF Benioff Children's Hospital Oakland | Oakland | California | 94609 | — |
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 5 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04453085, 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 28, 2025 · Synced Nov 8, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04453085 live on ClinicalTrials.gov.