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NCT00569777 · ClinicalTrials.gov registry record · Phase 3

Safety Study of a Contact Lens With Ketotifen in Healthy, Normal Volunteers

A Phase 3 study, sponsored by Vistakon Pharmaceuticals.

Completed
Registry status
Phase 3
Development phase
310
Enrollment target

NCT00569777: Completed Phase 3 study, sponsored by Vistakon Pharmaceuticals.

NCT00569777 is a Phase 3 study that has completed, run by Vistakon Pharmaceuticals. The registered enrollment target is 310 participants, below the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (60% lower). According to ClinicalTrials.gov, the official US trial registry.

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The verdict

NCT00569777, a Phase 3 study, has completed, sponsored by Vistakon Pharmaceuticals.

COMPLETED
Registry status
Phase 3
Development phase
310 participants
Enrollment target

Study Summary

The purpose of this study is to evaluate the safety of a novel contact lens in healthy normal volunteers

Primary Outcome

Assessment of lid redness using the following scale: 0=none, 1=mild, 2=moderate, 3=severe, 4=very severe.

Interventions

  • DEVICE K-Lens (generic name not established) and Ketotifen
  • DEVICE Placebo Lens

Trial Details

FieldValue
Enrollment Target 310 participants
Start Date 2007-10
Est. Completion 2008-03
Phase Phase 3
Vistakon Pharmaceuticals

13 total trials

What the finished NCT00569777 record still lists

NCT00569777 is an interventional study that assigns participants to a tested intervention. The registered 310 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 (60% lower).

The record links to 0 conditions, and to 2 interventions - of which K-Lens (generic name not established) and Ketotifen is the first listed.

NCT00569777 does not publish any study locations in the registry export this page uses.

Frequently Asked Questions

What is clinical trial NCT00569777 about?

NCT00569777 is a clinical study titled "Safety Study of a Contact Lens With Ketotifen in Healthy, Normal Volunteers". The purpose of this study is to evaluate the safety of a novel contact lens in healthy normal volunteers

What is the current status of trial NCT00569777?

This trial is currently completed. It is a Phase 3 study. The enrollment target is 310 participants. The study started on 2007-10. Estimated completion is 2008-03.

What interventions are being tested in trial NCT00569777?

The interventions under investigation include: K-Lens (generic name not established) and Ketotifen (DEVICE), Placebo Lens (DEVICE).

Who is sponsoring clinical trial NCT00569777?

This trial is sponsored by Vistakon Pharmaceuticals, which has 13 total clinical trials registered on ClinicalTrials.gov.

How this trial's enrollment target compares

Where NCT00569777's enrollment target sits among peer trials

310 1107th of 2000 higher than 892 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 NCT00569777, the US trial registry maintained by the National Library of Medicine. NCT00569777 (mid enrollment · none site footprint · completed) retrieved and formatted by PlainTrial, see methodology.