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NCT00640341 · ClinicalTrials.gov registry record · Phase 4

Comparative Performance of PureVision, Acuvue Oasys and O2Optix

A Phase 4 study, sponsored by Bausch & Lomb Incorporated.

Completed
Registry status
Phase 4
Development phase
510
Enrollment target

NCT00640341: Completed Phase 4 study, sponsored by Bausch & Lomb Incorporated.

NCT00640341 is a Phase 4 study that has completed, run by Bausch & Lomb Incorporated. The registered enrollment target is 510 participants, roughly in line with the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target. According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00640341, a Phase 4 study, has completed, sponsored by Bausch & Lomb Incorporated.

COMPLETED
Registry status
Phase 4
Development phase
510 participants
Enrollment target

Study Summary

The objective of this study is to evaluate the performance of the PureVision Contact Lens compared to Acuvue Oasys Contact lens and O2Optix Contact lens when worn on a daily wear basis.

Primary Outcome

All dispensed eyes over all follow-up visits. Measured on a scale of 0-4 with 0=no findings and 4=severe findings. Epithelial edema, epithelial microcysts, corneal staining, limbal \& bulbar injection, conjunctival abnormalities, corneal neovascularization and infiltrates were measured.

Interventions

  • DEVICE PureVision Contact Lens
  • DEVICE Acuvue Oasys Contact Lens
  • DEVICE O2Optix Contact lens

Trial Details

FieldValue
Enrollment Target 510 participants
Start Date 2008-02
Est. Completion 2008-04
Phase Phase 4
Bausch & Lomb Incorporated

174 total trials

What the finished NCT00640341 record still lists

NCT00640341 is an interventional study that assigns participants to a tested intervention. The registered 510 participants enrollment target is mid-sized for trials with a published cap, roughly in line with the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target.

The record links to 0 conditions, and to 3 interventions - of which PureVision Contact Lens is the first listed.

NCT00640341 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00640341 about?

NCT00640341 is a clinical study titled "Comparative Performance of PureVision, Acuvue Oasys and O2Optix". The objective of this study is to evaluate the performance of the PureVision Contact Lens compared to Acuvue Oasys Contact lens and O2Optix Contact lens when worn on a daily wear basis.

What is the current status of trial NCT00640341?

This trial is currently completed. It is a Phase 4 study. The enrollment target is 510 participants. The study started on 2008-02. Estimated completion is 2008-04.

What interventions are being tested in trial NCT00640341?

The interventions under investigation include: PureVision Contact Lens (DEVICE), Acuvue Oasys Contact Lens (DEVICE), O2Optix Contact lens (DEVICE).

Who is sponsoring clinical trial NCT00640341?

This trial is sponsored by Bausch & Lomb Incorporated, which has 174 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00640341's enrollment target sits among peer trials

510 162nd of 2000 higher than 1,839 of 2,000 other Phase 4 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other Phase 4 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 NCT00640341, the US trial registry maintained by the National Library of Medicine. NCT00640341 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.