Extension Study to Evaluate the Long-Term Outcomes of Pediatric Patients Who Received Treatment for Retinopathy of Prematurity in the VGFTe-ROP-1920 Study (Acronym: Butterfleye Next)
Public ClinicalTrials.gov record NCT04515524. 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
An Extension Study to Evaluate the Long-Term Outcomes of Patients Who Received Treatment for Retinopathy of Prematurity in the VGFTe-ROP-1920 Study
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Primary objectives of the study are: * To evaluate binocular visual acuity at the end of this study in patients included from the VGFTe-ROP-1920 study, for treatment of Retinopathy of Prematurity (ROP). * To evaluate long-term safety outcomes in patients included from the VGFTe-ROP-1920 study, for treatment of ROP. Secondary objectives of the study are: * To describe visual function in patients included from the VGFTe-ROP-1920 study, for treatment of ROP. * To describe overall development in patients included from the VGFTe-ROP-1920 study, for treatment of ROP.
Study identification
- NCT ID
- NCT04515524
- Recruitment status
- Active, not recruiting
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 100 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 11 Months to 5 Years
- 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
- Feb 4, 2021
- Primary completion
- Nov 4, 2026
- Completion
- Nov 4, 2026
- Last update posted
- Mar 26, 2026
2021 – 2026
United States locations
- U.S. sites
- 9
- U.S. states
- 6
- U.S. cities
- 8
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UCSD Shiley Eye Institute, Jacobs Retina Center | La Jolla | California | 92093-0946 | — |
| Loma Linda University Eye Institute | Loma Linda | California | 92354 | — |
| University of California San Francisco - Ophthalmology | San Francisco | California | 94158 | — |
| New York University School of Medicine - Oncology | New York | New York | 10016 | — |
| Icahn School of Medicine at Mount Sinai | New York | New York | 10029 | — |
| University Hospitals Cleveland Medical Center | Cleveland | Ohio | 44106 | — |
| Lifespan - Women & Infants Hospital of RI | Providence | Rhode Island | 02905 | — |
| The Children's Hospital of San Antonio | San Antonio | Texas | 78240 | — |
| West Virginia University | Morgantown | West Virginia | 26506 | — |
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 21 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04515524, 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 26, 2026 · Synced Sep 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04515524 live on ClinicalTrials.gov.