RGX-111 Gene Therapy in Patients With MPS I
Public ClinicalTrials.gov record NCT03580083. 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 Phase I/II Multicenter, Open-Label Study to Evaluate the Safety, Tolerability, and Pharmacodynamics of Intracisternal RGX-111 Gene Therapy in Participants With Mucopolysaccharidosis Type I
Study identification
- NCT ID
- NCT03580083
- Recruitment status
- Suspended
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Lead sponsor
- REGENXBIO Inc.
- Industry
- Enrollment
- 21 participants
Conditions and interventions
Interventions
- RGX-111 Genetic
Genetic
Eligibility (public fields only)
- Age range
- 4 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
- Apr 2, 2019
- Primary completion
- Jul 6, 2027
- Completion
- Mar 5, 2029
- Last update posted
- Mar 11, 2026
2019 – 2029
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Children's Hospital of Orange County | Orange | California | 92868 | — |
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 1 non-U.S. site.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03580083, 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 Mar 11, 2026 · Synced May 18, 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 NCT03580083 live on ClinicalTrials.gov.