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NCT01398839 · ClinicalTrials.gov registry record · Phase 3

Safety Study of the VEGA UV-A System to Treat Ectasia

A Phase 3 study, sponsored by Topcon Medical Systems.

Terminated
Registry status
Phase 3
Development phase
103
Enrollment target

NCT01398839: Clinical Trial Phase 3 study, sponsored by Topcon Medical Systems.

NCT01398839 is a Phase 3 study that was terminated before completion, run by Topcon Medical Systems. The registered enrollment target is 103 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (87% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT01398839, a Phase 3 study, was terminated before completion, sponsored by Topcon Medical Systems.

TERMINATED
Registry status
Phase 3
Development phase
103 participants
Enrollment target

Study Summary

The purpose of this research study is to test the safety, tolerability, and effectiveness of corneal collagen cross-linking (CXL) when used to treat ectasia.

Interventions

  • DRUG Riboflavin
  • DEVICE VEGA UV-A Illumination System

Trial Details

FieldValue
Enrollment Target 103 participants
Start Date 2010-12
Est. Completion 2012-07
Phase Phase 3
Topcon Medical Systems

24 total trials

Why NCT01398839 stopped before completion

NCT01398839 is an interventional study that assigns participants to a tested intervention. The registered 103 participants enrollment target is mid-sized for trials with a published cap, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (87% lower).

The record links to 0 conditions, and to 2 interventions - of which Riboflavin is the first listed.

NCT01398839 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT01398839 about?

NCT01398839 is a clinical study titled "Safety Study of the VEGA UV-A System to Treat Ectasia". The purpose of this research study is to test the safety, tolerability, and effectiveness of corneal collagen cross-linking (CXL) when used to treat ectasia.

What is the current status of trial NCT01398839?

This trial is currently terminated. It is a Phase 3 study. The enrollment target is 103 participants. The study started on 2010-12. Estimated completion is 2012-07.

What interventions are being tested in trial NCT01398839?

The interventions under investigation include: Riboflavin (DRUG), VEGA UV-A Illumination System (DEVICE).

Who is sponsoring clinical trial NCT01398839?

This trial is sponsored by Topcon Medical Systems, which has 24 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT01398839's enrollment target sits among peer trials

103 1674th of 2000 higher than 325 of 2,000 other Phase 3 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

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Source: ClinicalTrials.gov NCT01398839, the US trial registry maintained by the National Library of Medicine. NCT01398839 (mid enrollment · none site footprint · terminated) retrieved and formatted by PlainTrial, see methodology.