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NCT04515524ACTIVE NOT RECRUITING

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)

Study Summary

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.

Conditions
Retinopathy of Prematurity
Interventions / Drugs
Non-Interventional
View on ClinicalTrials.gov ↗
Sponsor
REGN
Regeneron Pharmaceuticals
Antibody Therapeutics
D47/100
Study Details
Enrollment100 participants
Primary Completion—
Lead SponsorRegeneron Pharmaceuticals
Data Retrieved2026-04-11 02:55:54.866013+00:00
What This Trial Means for Biotech Investors
Trial Phase Context
Status & Expected Data

Enrollment is complete. The trial is in its follow-up or data collection phase — a readout may occur on or near the primary completion date.

Enrolled: 100 participants
Sponsor Catalyst Profile

Regeneron Pharmaceuticals (REGN) is the sponsoring company for this trial. BiotechSign currently grades this company D (47/100) based on composite catalyst signals across its full pipeline. This trial is one data point in that overall catalyst picture.

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